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3,477 Reference Values

Reference Values

All conversion factors used in MetricConv are based on internationally recognized standards including NIST, ISO, BIPM, and IEC. Below you can find all reference values and their sources.

Official Reference Sources

NIST

USA

National Institute of Standards and Technology

Official US measurement standards authority

NIST SP 811 - SI Units GuideNIST Unit ConversionsFundamental Constants

BIPM

International

Bureau International des Poids et Mesures

Maintains the International System of Units (SI)

SI Brochure (9th Edition)SI Base UnitsSI Prefixes

ISO

International

International Organization for Standardization

ISO 80000 - Quantities and Units standards

ISO 80000 SeriesISO Standards Catalog

IEC

International

International Electrotechnical Commission

Electrical & data unit standards (IEC 80000-13)

IEC 80000-13 (Data Units)IEC Standards

IUPAC

International

International Union of Pure and Applied Chemistry

Chemical nomenclature and units

IUPAC Gold BookIUPAC Publications

ITS-90

International

International Temperature Scale of 1990

International temperature measurement standard

ITS-90 DefinitionTemperature Scales

Additional Resources

Wikipedia - Unit Systems

International System of Units (SI)Metric SystemImperial UnitsUS Customary Units

Engineering References

Engineering ToolboxUnit Converter (NIST)Wolfram Alpha

Academic Resources

MIT OpenCourseWare - UnitsKhan Academy - PhysicsHyperPhysics

Temperature Conversions

Temperature conversions (Celsius, Fahrenheit, Kelvin, Rankine) require special formulas with offsets, not simple multiplication factors. These are handled separately in our converter.

°F = °C × 9/5 + 32
K = °C + 273.15
°R = K × 9/5
°C = (°F - 32) × 5/9

All Conversion Factors

Browse all 3,477 conversion factors used in MetricConv

CategoryFrom UnitTo UnitFactorReference
Angledegreecircle36ISO 80000-3:2019
Angledegreegon1.1111111111ISO 80000-3:2019
Angledegreegrad1.1111111111ISO 80000-3:2019
Angledegreemil0.0562ISO 80000-3:2019
Angledegreeminute60ISO 80000-3:2019
Angledegreequadrant9ISO 80000-3:2019
Angledegreerevolution36ISO 80000-3:2019
Angledegreeright angle90ISO 80000-3:2019
Angledegreesecond3600ISO 80000-3:2019
Angledegreesextant6ISO 80000-3:2019
Angledegreesign3ISO 80000-3:2019
Angledegreeturn36ISO 80000-3:2019
Angledegreesradians57.295779513ISO 80000-3:2019
Anglelumen sq. cm steradiancandela square meter0.0001ISO 80000-3:2019
Anglelumen steradiancandle (international)1ISO 80000-3:2019
Angleradiansdegrees57.295779513ISO 80000-3:2019
Areasquare chainsquare meter404.68564224NIST SP 811, ISO 80000-3:2019
Areasquare feetacres43560NIST SP 811, ISO 80000-3:2019
Areasquare feetsquare meter0.09290304NIST SP 811, ISO 80000-3:2019
Areasquare feetsquare yards0.1111111111NIST SP 811, ISO 80000-3:2019
Areasquare milsquare meter6.451600e-10NIST SP 811, ISO 80000-3:2019
Areasquare perchsquare meter25.29285264NIST SP 811, ISO 80000-3:2019
Areasquare polesquare meter25.29285264NIST SP 811, ISO 80000-3:2019
Areasquare rodsquare meter25.29285264NIST SP 811, ISO 80000-3:2019
Areasquare rod (us survey)square meter25.2929538117NIST SP 811, ISO 80000-3:2019
Currencyeurbtc1.248710e-5European Central Bank, Federal Reserve
Currencyeurusd1.1657321381European Central Bank, Federal Reserve
Currencygbpbtc70023.164085427European Central Bank, Federal Reserve
Currencygbpusd1.3331964585European Central Bank, Federal Reserve
Currencyusdaed3.6725European Central Bank, Federal Reserve
Currencyusdafn66.280531European Central Bank, Federal Reserve
Currencyusdall82.786352European Central Bank, Federal Reserve
Currencyusdamd381.218486European Central Bank, Federal Reserve
Currencyusdang1.79European Central Bank, Federal Reserve
Currencyusdaoa915.4202European Central Bank, Federal Reserve
Currencyusdars1453.0125European Central Bank, Federal Reserve
Currencyusdaud1.512028European Central Bank, Federal Reserve
Currencyusdawg1.80125European Central Bank, Federal Reserve
Currencyusdazn1.7European Central Bank, Federal Reserve
Currencyusdbam1.676992European Central Bank, Federal Reserve
Currencyusdbbd2European Central Bank, Federal Reserve
Currencyusdbdt122.331738European Central Bank, Federal Reserve
Currencyusdbgn1.67733European Central Bank, Federal Reserve
Currencyusdbhd0.377019European Central Bank, Federal Reserve
Currencyusdbif2955.015027European Central Bank, Federal Reserve
Currencyusdbmd1European Central Bank, Federal Reserve
Currencyusdbnd1.294485European Central Bank, Federal Reserve
Currencyusdbob6.910505European Central Bank, Federal Reserve
Currencyusdbrl5.307801European Central Bank, Federal Reserve
Currencyusdbsd1European Central Bank, Federal Reserve
Currencyusdbtc93354.63437144European Central Bank, Federal Reserve
Currencyusdbtn90.190615European Central Bank, Federal Reserve
Currencyusdbwp13.331561European Central Bank, Federal Reserve
Currencyusdbyn2.913256European Central Bank, Federal Reserve
Currencyusdbzd2.011739European Central Bank, Federal Reserve
Currencyusdcad1.395993European Central Bank, Federal Reserve
Currencyusdcdf2287.326899European Central Bank, Federal Reserve
Currencyusdchf0.800837European Central Bank, Federal Reserve
Currencyusdclf0.023425European Central Bank, Federal Reserve
Currencyusdclp918.95European Central Bank, Federal Reserve
Currencyusdcnh7.065845European Central Bank, Federal Reserve
Currencyusdcny7.0692European Central Bank, Federal Reserve
Currencyusdcop3813.347056European Central Bank, Federal Reserve
Currencyusdcrc492.25918European Central Bank, Federal Reserve
Currencyusdcuc1European Central Bank, Federal Reserve
Currencyusdcve94.820041European Central Bank, Federal Reserve
Currencyusdczk20.689966European Central Bank, Federal Reserve
Currencyusddjf178.117118European Central Bank, Federal Reserve
Currencyusddkk6.406666European Central Bank, Federal Reserve
Currencyusddop63.202297European Central Bank, Federal Reserve
Currencyusddzd130.080682European Central Bank, Federal Reserve
Currencyusdegp47.569334European Central Bank, Federal Reserve
Currencyusdern15European Central Bank, Federal Reserve
Currencyusdetb154.850355European Central Bank, Federal Reserve
Currencyusdeur1.1657321381European Central Bank, Federal Reserve
Currencyusdfjd2.2615European Central Bank, Federal Reserve
Currencyusdfkp0.750077European Central Bank, Federal Reserve
Currencyusdgbp0.750077European Central Bank, Federal Reserve
Currencyusdgel2.7European Central Bank, Federal Reserve
Currencyusdggp0.750077European Central Bank, Federal Reserve
Currencyusdghs11.391407European Central Bank, Federal Reserve
Currencyusdgip0.750077European Central Bank, Federal Reserve
Currencyusdgmd72.50001European Central Bank, Federal Reserve
Currencyusdgnf8691.055987European Central Bank, Federal Reserve
Currencyusdgtq7.659731European Central Bank, Federal Reserve
Currencyusdgyd209.226826European Central Bank, Federal Reserve
Currencyusdhkd7.78315European Central Bank, Federal Reserve
Currencyusdhnl26.352727European Central Bank, Federal Reserve
Currencyusdhrk6.463194European Central Bank, Federal Reserve
Currencyusdhtg130.889015European Central Bank, Federal Reserve
Currencyusdhuf326.93925European Central Bank, Federal Reserve
Currencyusdidr16643.55European Central Bank, Federal Reserve
Currencyusdils3.2343European Central Bank, Federal Reserve
Currencyusdimp0.750077European Central Bank, Federal Reserve
Currencyusdinr90.275803European Central Bank, Federal Reserve
Currencyusdiqd1310.348357European Central Bank, Federal Reserve
Currencyusdirr42125European Central Bank, Federal Reserve
Currencyusdisk127.82European Central Bank, Federal Reserve
Currencyusdjep0.750077European Central Bank, Federal Reserve
Currencyusdjmd160.548071European Central Bank, Federal Reserve
Currencyusdjod0.709European Central Bank, Federal Reserve
Currencyusdjpy155.46425European Central Bank, Federal Reserve
Currencyusdkes129.43European Central Bank, Federal Reserve
Currencyusdkgs87.45European Central Bank, Federal Reserve
Currencyusdkhr4005.95199European Central Bank, Federal Reserve
Currencyusdkmf423.499765European Central Bank, Federal Reserve
Currencyusdkpw900European Central Bank, Federal Reserve
Currencyusdkrw1473.835014European Central Bank, Federal Reserve
Currencyusdkwd0.306798European Central Bank, Federal Reserve
Currencyusdkyd0.833523European Central Bank, Federal Reserve
Currencyusdkzt502.874509European Central Bank, Federal Reserve
Currencyusdlak21701.975132European Central Bank, Federal Reserve
Currencyusdlbp89596.053607European Central Bank, Federal Reserve
Currencyusdlkr308.800331European Central Bank, Federal Reserve
Currencyusdlrd177.602081European Central Bank, Federal Reserve
Currencyusdlsl17.089658European Central Bank, Federal Reserve
Currencyusdlyd5.441348European Central Bank, Federal Reserve
Currencyusdmad9.230193European Central Bank, Federal Reserve
Currencyusdmdl16.99714European Central Bank, Federal Reserve
Currencyusdmga4454.393684European Central Bank, Federal Reserve
Currencyusdmkd52.848646European Central Bank, Federal Reserve
Currencyusdmmk2099.7European Central Bank, Federal Reserve
Currencyusdmnt3582.15European Central Bank, Federal Reserve
Currencyusdmop8.020887European Central Bank, Federal Reserve
Currencyusdmru39.789755European Central Bank, Federal Reserve
Currencyusdmur46.049996European Central Bank, Federal Reserve
Currencyusdmvr15.41European Central Bank, Federal Reserve
Currencyusdmwk1734.436123European Central Bank, Federal Reserve
Currencyusdmxn18.293275European Central Bank, Federal Reserve
Currencyusdmyr4.119European Central Bank, Federal Reserve
Currencyusdmzn63.899993European Central Bank, Federal Reserve
Currencyusdnad17.089658European Central Bank, Federal Reserve
Currencyusdngn1444.9European Central Bank, Federal Reserve
Currencyusdnio36.810131European Central Bank, Federal Reserve
Currencyusdnok10.067761European Central Bank, Federal Reserve
Currencyusdnpr144.333801European Central Bank, Federal Reserve
Currencyusdnzd1.732684European Central Bank, Federal Reserve
Currencyusdomr0.384499European Central Bank, Federal Reserve
Currencyusdpab1European Central Bank, Federal Reserve
Currencyusdpen3.368389European Central Bank, Federal Reserve
Currencyusdpgk4.24264European Central Bank, Federal Reserve
Currencyusdphp59.175502European Central Bank, Federal Reserve
Currencyusdpkr282.571519European Central Bank, Federal Reserve
Currencyusdpln3.625442European Central Bank, Federal Reserve
Currencyusdpyg6936.787305European Central Bank, Federal Reserve
Currencyusdqar3.641945European Central Bank, Federal Reserve
Currencyusdron4.368European Central Bank, Federal Reserve
Currencyusdrsd100.709573European Central Bank, Federal Reserve
Currencyusdrub77.001313European Central Bank, Federal Reserve
Currencyusdrwf1455.344613European Central Bank, Federal Reserve
Currencyusdsar3.752858European Central Bank, Federal Reserve
Currencyusdsbd8.223823European Central Bank, Federal Reserve
Currencyusdscr14.132099European Central Bank, Federal Reserve
Currencyusdsdg601.5European Central Bank, Federal Reserve
Currencyusdsek9.385293European Central Bank, Federal Reserve
Currencyusdsgd1.296459European Central Bank, Federal Reserve
Currencyusdshp0.750077European Central Bank, Federal Reserve
Currencyusdsle23European Central Bank, Federal Reserve
Currencyusdsll20969.5European Central Bank, Federal Reserve
Currencyusdsos570.629664European Central Bank, Federal Reserve
Currencyusdsrd38.602European Central Bank, Federal Reserve
Currencyusdssp130.26European Central Bank, Federal Reserve
Currencyusdstd22281.8European Central Bank, Federal Reserve
Currencyusdstn21.007413European Central Bank, Federal Reserve
Currencyusdsvc8.751945European Central Bank, Federal Reserve
Currencyusdsyp13002European Central Bank, Federal Reserve
Currencyusdszl17.0846European Central Bank, Federal Reserve
Currencyusdthb32European Central Bank, Federal Reserve
Currencyusdtjs9.190517European Central Bank, Federal Reserve
Currencyusdtmt3.5European Central Bank, Federal Reserve
Currencyusdtnd2.937564European Central Bank, Federal Reserve
Currencyusdtop2.40776European Central Bank, Federal Reserve
Currencyusdtry42.460999European Central Bank, Federal Reserve
Currencyusdtwd31.346499European Central Bank, Federal Reserve
Currencyusdtzs2432.499667European Central Bank, Federal Reserve
Currencyusduah42.184255European Central Bank, Federal Reserve
Currencyusdugx3544.823044European Central Bank, Federal Reserve
Currencyusduyu39.17615European Central Bank, Federal Reserve
Currencyusduzs11884.259209European Central Bank, Federal Reserve
Currentabampereampere10BIPM SI Brochure, IEC 60050
Currentabampere turnampere turn10BIPM SI Brochure, IEC 60050
Currentampereabampere0.1BIPM SI Brochure, IEC 60050
Currentamperebiot0.1BIPM SI Brochure, IEC 60050
Currentamperecgs e.m. unit0.1BIPM SI Brochure, IEC 60050
Currentamperecgs e.s. unit2.997925e+9BIPM SI Brochure, IEC 60050
Currentampereemu of current0.1BIPM SI Brochure, IEC 60050
Currentampereesu of current2.997925e+9BIPM SI Brochure, IEC 60050
Currentamperekiloampere0.001BIPM SI Brochure, IEC 60050
Currentamperestatampere2.997925e+9BIPM SI Brochure, IEC 60050
Currentampere cicular milampere square meter1.973525e+9BIPM SI Brochure, IEC 60050
Currentampere square milampere square meter1.550003e+9BIPM SI Brochure, IEC 60050
Currentampere turnabampere turn0.1BIPM SI Brochure, IEC 60050
Currentampere turngilbert1.256637062BIPM SI Brochure, IEC 60050
Currentampere turnkiloampere turn0.001BIPM SI Brochure, IEC 60050
Currentampere turnmilliampere turn1000BIPM SI Brochure, IEC 60050
Currentampere voltsiemens1BIPM SI Brochure, IEC 60050
Currentkiloampereampere1000BIPM SI Brochure, IEC 60050
Currentkiloampere turnampere turn1000BIPM SI Brochure, IEC 60050
Currentkilovolt amperewatt0.001BIPM SI Brochure, IEC 60050
Currentmilliampere turnampere turn0.001BIPM SI Brochure, IEC 60050
Currentstatampereampere3.335641e-10BIPM SI Brochure, IEC 60050
Currentvolt ampereohm1BIPM SI Brochure, IEC 60050
Currentvolt amperewatt1BIPM SI Brochure, IEC 60050
Currentweber amperehenry1BIPM SI Brochure, IEC 60050
Datacubit greekmeter0.4572IEC 80000-13:2008
Datacubit ukmeter0.4572IEC 80000-13:2008
Databitblock0.0002441406IEC 80000-13:2008
Databitbyte0.125IEC 80000-13:2008
Databitcd (74 minute)1.835379e-10IEC 80000-13:2008
Databitcd (80 minute)1.697725e-10IEC 80000-13:2008
Databitcharacter0.125IEC 80000-13:2008
Databitdvd (1 layer, 1 side)2.476922e-11IEC 80000-13:2008
Databitdvd (1 layer, 2 side)1.238461e-11IEC 80000-13:2008
Databitdvd (2 layer, 1 side)1.369592e-11IEC 80000-13:2008
Databitdvd (2 layer, 2 side)6.847960e-12IEC 80000-13:2008
Databitexabit8.673617e-19IEC 80000-13:2008
Databitexabyte1.084202e-19IEC 80000-13:2008
Databitexabyte (10^18 bytes)1.250000e-19IEC 80000-13:2008
Databitfloppy disk (3.5 dd)1.715073e-7IEC 80000-13:2008
Databitfloppy disk (3.5 ed)4.287682e-8IEC 80000-13:2008
Databitfloppy disk (3.5 hd)8.575364e-8IEC 80000-13:2008
Databitfloppy disk (5.25 dd)3.430146e-7IEC 80000-13:2008
Databitfloppy disk (5.25 hd)1.029695e-7IEC 80000-13:2008
Databitgigabit9.313226e-10IEC 80000-13:2008
Databitgigabyte1.164153e-10IEC 80000-13:2008
Databitgigabyte (10^9 bytes)1.250000e-10IEC 80000-13:2008
Databitjaz 1gb1.164153e-10IEC 80000-13:2008
Databitjaz 2gb5.820766e-11IEC 80000-13:2008
Databitkilobit0.0009765625IEC 80000-13:2008
Databitkilobyte0.0001220703IEC 80000-13:2008
Databitkilobyte (10^3 bytes)0.000125IEC 80000-13:2008
Databitmapm word0.03125IEC 80000-13:2008
Databitmegabit9.536743e-7IEC 80000-13:2008
Databitmegabyte1.192093e-7IEC 80000-13:2008
Databitmegabyte (10^6 bytes)1.250000e-7IEC 80000-13:2008
Databitnibble0.25IEC 80000-13:2008
Databitpetabit8.881784e-16IEC 80000-13:2008
Databitpetabyte1.110223e-16IEC 80000-13:2008
Databitpetabyte (10^15 bytes)1.250000e-16IEC 80000-13:2008
Databitquadruple word0.015625IEC 80000-13:2008
Databitterabit9.094947e-13IEC 80000-13:2008
Databitterabyte1.136868e-13IEC 80000-13:2008
Databitterabyte (10^12 bytes)1.250000e-13IEC 80000-13:2008
Databitword0.0625IEC 80000-13:2008
Databitzip 1001.244625e-9IEC 80000-13:2008
Databitzip 2504.978499e-10IEC 80000-13:2008
Databytebit8IEC 80000-13:2008
Datacubit (greek)meter2.1608166158IEC 80000-13:2008
Datacubit (uk)meter2.1872265967IEC 80000-13:2008
Dataethernet (gigabit)bit second1.000000e-9IEC 80000-13:2008
Dataexabitbit1.152922e+18IEC 80000-13:2008
Dataexabytebit9.223372e+18IEC 80000-13:2008
Dataexabyte (10^18 bytes)bit1.250000e-19IEC 80000-13:2008
Datagigabitbit1.073742e+9IEC 80000-13:2008
Datagigabytebit8.589935e+9IEC 80000-13:2008
Datagigabyte (10^9 bytes)bit1.250000e-10IEC 80000-13:2008
Datakilobitbit1024IEC 80000-13:2008
Datakilobytebit8192IEC 80000-13:2008
Datakilobyte (10^3 bytes)bit0.000125IEC 80000-13:2008
Datalong cubitmeter1.8747656543IEC 80000-13:2008
Datamegabitbit1.048576e+6IEC 80000-13:2008
Datamegabytebit8.388608e+6IEC 80000-13:2008
Datamegabyte (10^6 bytes)bit1.250000e-7IEC 80000-13:2008
Datapetabitbit1.125900e+15IEC 80000-13:2008
Datapetabytebit9.007199e+15IEC 80000-13:2008
Datapetabyte (10^15 bytes)bit1.250000e-16IEC 80000-13:2008
Dataterabitbit1.099512e+12IEC 80000-13:2008
Dataterabytebit8.796093e+12IEC 80000-13:2008
Dataterabyte (10^12 bytes)bit1.250000e-13IEC 80000-13:2008
Energyattojoulejoule1.000000e-18NIST SP 811, ISO 80000-5:2019
Energybtuton8.333330e-5NIST SP 811, ISO 80000-5:2019
Energybtu (it)joule0.0009478171NIST SP 811, ISO 80000-5:2019
Energybtu (th)joule0.0009484517NIST SP 811, ISO 80000-5:2019
Energycalorie (it)joule0.2388458966NIST SP 811, ISO 80000-5:2019
Energycalorie (nutritional)joule0.0002388459NIST SP 811, ISO 80000-5:2019
Energygigajoulejoule1.000000e+9NIST SP 811, ISO 80000-5:2019
Energyjouleattojoule1.000000e+18NIST SP 811, ISO 80000-5:2019
Energyjoulebtu (it)0.0009478171NIST SP 811, ISO 80000-5:2019
Energyjoulebtu (th)0.0009484517NIST SP 811, ISO 80000-5:2019
Energyjoulecalorie (it)0.2388458966NIST SP 811, ISO 80000-5:2019
Energyjoulecalorie (nutritional)0.0002388459NIST SP 811, ISO 80000-5:2019
Energyjouledyne centimeter1.000000e+7NIST SP 811, ISO 80000-5:2019
Energyjouleelectron volt6.241509e+18NIST SP 811, ISO 80000-5:2019
Energyjouleerg1.000000e+7NIST SP 811, ISO 80000-5:2019
Energyjoulefoot pound0.7375621493NIST SP 811, ISO 80000-5:2019
Energyjoulefuel oil equivalent @barrel (us)1.566640e-10NIST SP 811, ISO 80000-5:2019
Energyjoulefuel oil equivalent @kiloliter2.487709e-11NIST SP 811, ISO 80000-5:2019
Energyjoulegigajoule1.000000e-9NIST SP 811, ISO 80000-5:2019
Energyjoulegigaton2.390057e-19NIST SP 811, ISO 80000-5:2019
Energyjoulegigawatt hour2.777778e-13NIST SP 811, ISO 80000-5:2019
Energyjoulegram force centimeter10197.162130094NIST SP 811, ISO 80000-5:2019
Energyjoulegram force meter101.9716213009NIST SP 811, ISO 80000-5:2019
Energyjoulehartree energy2.293710e+17NIST SP 811, ISO 80000-5:2019
Energyjoulehorsepower (metric) hour3.776727e-7NIST SP 811, ISO 80000-5:2019
Energyjoulehorsepower hour3.725061e-7NIST SP 811, ISO 80000-5:2019
Energyjouleinch ounce141.6119326656NIST SP 811, ISO 80000-5:2019
Energyjouleinch pound8.8507457916NIST SP 811, ISO 80000-5:2019
Energyjoulekilocalorie (it)0.0002388459NIST SP 811, ISO 80000-5:2019
Energyjoulekilocalorie (th)0.0002390057NIST SP 811, ISO 80000-5:2019
Energyjoulekiloelectron volt6.241509e+15NIST SP 811, ISO 80000-5:2019
Energyjoulekilogram force centimeter10.1971621301NIST SP 811, ISO 80000-5:2019
Energyjoulekilogram force meter0.1019716213NIST SP 811, ISO 80000-5:2019
Energyjoulekilopond meter0.1019716213NIST SP 811, ISO 80000-5:2019
Energyjoulekiloton2.390057e-13NIST SP 811, ISO 80000-5:2019
Energyjoulekilowatt hour2.777778e-7NIST SP 811, ISO 80000-5:2019
Energyjoulekilowatt second0.001NIST SP 811, ISO 80000-5:2019
Energyjoulemega btu (it)9.478171e-10NIST SP 811, ISO 80000-5:2019
Energyjoulemegaelectron volt6.241509e+12NIST SP 811, ISO 80000-5:2019
Energyjoulemegajoule1.000000e-6NIST SP 811, ISO 80000-5:2019
Energyjoulemegaton2.390057e-16NIST SP 811, ISO 80000-5:2019
Energyjoulemegawatt hour2.777778e-10NIST SP 811, ISO 80000-5:2019
Energyjoulemicrojoule1.000000e+6NIST SP 811, ISO 80000-5:2019
Energyjoulemillijoule1000NIST SP 811, ISO 80000-5:2019
Energyjoulenanojoule1.000000e+9NIST SP 811, ISO 80000-5:2019
Energyjoulenewton meter1NIST SP 811, ISO 80000-5:2019
Energyjouleounce force inch141.6119326656NIST SP 811, ISO 80000-5:2019
Energyjoulepound force foot0.7375621493NIST SP 811, ISO 80000-5:2019
Energyjoulepound force inch8.8507457916NIST SP 811, ISO 80000-5:2019
Energyjoulepoundal foot23.7303604571NIST SP 811, ISO 80000-5:2019
Energyjoulerydberg constant4.587421e+17NIST SP 811, ISO 80000-5:2019
Energyjouletherm9.478170e-9NIST SP 811, ISO 80000-5:2019
Energyjouletherm (ec)9.478170e-9NIST SP 811, ISO 80000-5:2019
Energyjouletherm (us)9.480434e-9NIST SP 811, ISO 80000-5:2019
Energyjouleton (explosives)2.390057e-10NIST SP 811, ISO 80000-5:2019
Energyjouleton hour (refrigeration)7.898476e-8NIST SP 811, ISO 80000-5:2019
Energyjoulewatt hour0.0002777778NIST SP 811, ISO 80000-5:2019
Energyjoulewatt second1NIST SP 811, ISO 80000-5:2019
Energykilocalorie (it)joule0.0002388459NIST SP 811, ISO 80000-5:2019
Energykilocalorie (th)joule0.0002390057NIST SP 811, ISO 80000-5:2019
Energymega btu (it)joule9.478171e-10NIST SP 811, ISO 80000-5:2019
Energymegajoulejoule1.000000e+6NIST SP 811, ISO 80000-5:2019
Energymicrojoulejoule1.000000e-6NIST SP 811, ISO 80000-5:2019
Energymillijoulejoule0.001NIST SP 811, ISO 80000-5:2019
Energynanojoulejoule1.000000e-9NIST SP 811, ISO 80000-5:2019
Forcedynenewton1.000000e-5NIST SP 811, ISO 80000-4:2019
Frequencyattohertzhertz1.000000e-18BIPM SI Brochure
Frequencycentihertzhertz0.01BIPM SI Brochure
Frequencydecihertzhertz0.1BIPM SI Brochure
Frequencydekahertzhertz10BIPM SI Brochure
Frequencyexahertzhertz1.000000e+18BIPM SI Brochure
Frequencyfemtohertzhertz1.000000e-15BIPM SI Brochure
Frequencygigahertzhertz1.000000e+9BIPM SI Brochure
Frequencyhectohertzhertz100BIPM SI Brochure
Frequencyhertzattohertz1.000000e+18BIPM SI Brochure
Frequencyhertzcentihertz100BIPM SI Brochure
Frequencyhertzcycle second1BIPM SI Brochure
Frequencyhertzdecihertz10BIPM SI Brochure
Frequencyhertzdekahertz0.1BIPM SI Brochure
Frequencyhertzelectron compton wavelength1.235590e+20BIPM SI Brochure
Frequencyhertzexahertz1.000000e-18BIPM SI Brochure
Frequencyhertzfemtohertz1.000000e+15BIPM SI Brochure
Frequencyhertzgigahertz1.000000e-9BIPM SI Brochure
Frequencyhertzhectohertz0.01BIPM SI Brochure
Frequencyhertzkilohertz0.001BIPM SI Brochure
Frequencyhertzmegahertz1.000000e-6BIPM SI Brochure
Frequencyhertzmicrohertz1.000000e+6BIPM SI Brochure
Frequencyhertzmillihertz1000BIPM SI Brochure
Frequencyhertznanohertz1.000000e+9BIPM SI Brochure
Frequencyhertzneutron compton wavelength2.271859e+23BIPM SI Brochure
Frequencyhertzpetahertz1.000000e-15BIPM SI Brochure
Frequencyhertzpicohertz1.000000e+12BIPM SI Brochure
Frequencyhertzproton compton wavelength2.268732e+23BIPM SI Brochure
Frequencyhertzterahertz1.000000e-12BIPM SI Brochure
Frequencyhertzwavelength in centimetres2.997925e+10BIPM SI Brochure
Frequencyhertzwavelength in decimetres2.997925e+9BIPM SI Brochure
Frequencyhertzwavelength in dekametres2.997925e+7BIPM SI Brochure
Frequencyhertzwavelength in exametres2.997925e-10BIPM SI Brochure
Frequencyhertzwavelength in gigametres0.299792458BIPM SI Brochure
Frequencyhertzwavelength in hectometres2.997925e+6BIPM SI Brochure
Frequencyhertzwavelength in kilometres299792.458BIPM SI Brochure
Frequencyhertzwavelength in megametres299.792458BIPM SI Brochure
Frequencyhertzwavelength in metres2.997925e+8BIPM SI Brochure
Frequencyhertzwavelength in micrometres2.997925e+14BIPM SI Brochure
Frequencyhertzwavelength in millimetres2.997925e+11BIPM SI Brochure
Frequencyhertzwavelength in nanometres2.997925e+17BIPM SI Brochure
Frequencyhertzwavelength in petametres2.997925e-7BIPM SI Brochure
Frequencyhertzwavelength in terametres0.0002997925BIPM SI Brochure
Frequencykilohertzhertz1000BIPM SI Brochure
Frequencymegahertzhertz1.000000e+6BIPM SI Brochure
Frequencymicrohertzhertz1.000000e-6BIPM SI Brochure
Frequencymillihertzhertz0.001BIPM SI Brochure
Frequencynanohertzhertz1.000000e-9BIPM SI Brochure
Frequencypetahertzhertz1.000000e+15BIPM SI Brochure
Frequencypicohertzhertz1.000000e-12BIPM SI Brochure
Frequencyterahertzhertz1.000000e+12BIPM SI Brochure
Lengthcentimetermeter0.01NIST SP 811, ISO 80000-3:2019
Lengthcentimetertwip566.9291338583NIST SP 811, ISO 80000-3:2019
Lengthmillimetermeter0.001NIST SP 811, ISO 80000-3:2019
Lengthkilometermeter1000NIST SP 811, ISO 80000-3:2019
Lengthinchmeter0.0254NIST SP 811, ISO 80000-3:2019
Lengthfootmeter0.3048NIST SP 811, ISO 80000-3:2019
Lengthyardmeter0.9144NIST SP 811, ISO 80000-3:2019
Lengthmilemeter1609.344NIST SP 811, ISO 80000-3:2019
Lengthnautical milemeter1852NIST SP 811, ISO 80000-3:2019
Lengthmicrometermeter1.000000e-6NIST SP 811, ISO 80000-3:2019
Lengthnanometermeter1.000000e-9NIST SP 811, ISO 80000-3:2019
Lengthpicometermeter1.000000e-12NIST SP 811, ISO 80000-3:2019
Lengthfemtometermeter1.000000e-15NIST SP 811, ISO 80000-3:2019
Lengthattometermeter1.000000e-18NIST SP 811, ISO 80000-3:2019
Lengthexametermeter1.000000e+18NIST SP 811, ISO 80000-3:2019
Lengthdekametermeter10NIST SP 811, ISO 80000-3:2019
Lengthdecimetermeter0.1NIST SP 811, ISO 80000-3:2019
Lengthhectometermeter100NIST SP 811, ISO 80000-3:2019
Lengthmegametermeter1.000000e+6NIST SP 811, ISO 80000-3:2019
Lengthgigametermeter1.000000e+9NIST SP 811, ISO 80000-3:2019
Lengthterametermeter1.000000e+12NIST SP 811, ISO 80000-3:2019
Lengthpetametermeter1.000000e+15NIST SP 811, ISO 80000-3:2019
Lengthcentiinchmeter0.000254NIST SP 811, ISO 80000-3:2019
Lengthabampere centimeterampere meter1000NIST SP 811, ISO 80000-3:2019
Lengthabampere inchampere meter393.7007874016NIST SP 811, ISO 80000-3:2019
Lengthabampere meterampere meter10NIST SP 811, ISO 80000-3:2019
Lengthabampere square centimeterampere square meter100000NIST SP 811, ISO 80000-3:2019
Lengthabcoulomb centimetercoulomb meter1000NIST SP 811, ISO 80000-3:2019
Lengthabcoulomb cubic centimetercoulomb cubic meter1.000000e+7NIST SP 811, ISO 80000-3:2019
Lengthabcoulomb cubic inchcoulomb cubic meter610237.44094732NIST SP 811, ISO 80000-3:2019
Lengthabcoulomb cubic metercoulomb cubic meter10NIST SP 811, ISO 80000-3:2019
Lengthabcoulomb inchcoulomb meter393.7007874016NIST SP 811, ISO 80000-3:2019
Lengthabcoulomb metercoulomb meter10NIST SP 811, ISO 80000-3:2019
Lengthabcoulomb square centimetercoulomb square meter100000NIST SP 811, ISO 80000-3:2019
Lengthabcoulomb square inchcoulomb square meter15500.031000062NIST SP 811, ISO 80000-3:2019
Lengthabcoulomb square metercoulomb square meter10NIST SP 811, ISO 80000-3:2019
Lengthabmho centimetersiemens meter1.000000e+11NIST SP 811, ISO 80000-3:2019
Lengthabmho metersiemens meter1.000000e+9NIST SP 811, ISO 80000-3:2019
Lengthabohm centimeterohm meter1.000000e-11NIST SP 811, ISO 80000-3:2019
Lengthabvolt centimetervolt meter1.000000e-6NIST SP 811, ISO 80000-3:2019
Lengthacre footcubic meter1233.4818375475NIST SP 811, ISO 80000-3:2019
Lengthacre foot (us survey)cubic meter1233.4892384682NIST SP 811, ISO 80000-3:2019
Lengthacre foot daycubic meter second0.0142764673NIST SP 811, ISO 80000-3:2019
Lengthacre foot hourcubic meter second0.3426352143NIST SP 811, ISO 80000-3:2019
Lengthacre foot yearcubic meter second3.911360e-5NIST SP 811, ISO 80000-3:2019
Lengthacre inchcubic meter102.790153129NIST SP 811, ISO 80000-3:2019
Lengthampere centimeterampere meter100NIST SP 811, ISO 80000-3:2019
Lengthampere inchampere meter39.3700787402NIST SP 811, ISO 80000-3:2019
Lengthampere meterabampere centimeter0.001NIST SP 811, ISO 80000-3:2019
Lengthampere meterabampere inch0.00254NIST SP 811, ISO 80000-3:2019
Lengthampere meterabampere meter0.1NIST SP 811, ISO 80000-3:2019
Lengthampere meterampere centimeter0.01NIST SP 811, ISO 80000-3:2019
Lengthampere meterampere inch0.0254NIST SP 811, ISO 80000-3:2019
Lengthampere meterampere turn meter1NIST SP 811, ISO 80000-3:2019
Lengthampere metergilbert centimeter0.0125663706NIST SP 811, ISO 80000-3:2019
Lengthampere meterkiloampere meter0.001NIST SP 811, ISO 80000-3:2019
Lengthampere meteroersted79.5774715459NIST SP 811, ISO 80000-3:2019
Lengthampere square centimeterampere square meter10000NIST SP 811, ISO 80000-3:2019
Lengthampere square inchampere square meter1550.0031000062NIST SP 811, ISO 80000-3:2019
Lengthampere square meterabampere square centimeter100000NIST SP 811, ISO 80000-3:2019
Lengthampere square meterampere cicular mil1.973525e+9NIST SP 811, ISO 80000-3:2019
Lengthampere square meterampere square centimeter10000NIST SP 811, ISO 80000-3:2019
Lengthampere square meterampere square inch0.00064516NIST SP 811, ISO 80000-3:2019
Lengthampere square meterampere square mil6.451600e-10NIST SP 811, ISO 80000-3:2019
Lengthampere turn meterampere meter1NIST SP 811, ISO 80000-3:2019
Lengthattometer square secondmeter square second1.000000e-18NIST SP 811, ISO 80000-3:2019
Lengthboard footcubic meter0.0023597372NIST SP 811, ISO 80000-3:2019
Lengthbtu (it) cubic footjoule cubic meter37258.945807808NIST SP 811, ISO 80000-3:2019
Lengthbtu (it) hour square footwatt square meter3.1545907451NIST SP 811, ISO 80000-3:2019
Lengthbtu (it) hour square foot %b0fwatt square meter k0.1761101837NIST SP 811, ISO 80000-3:2019
Lengthbtu (it) inch hour sq. foot °fwatt meter k0.1442278889NIST SP 811, ISO 80000-3:2019
Lengthbtu (it) inch second sq. foot °fwatt meter k519.2203999105NIST SP 811, ISO 80000-3:2019
Lengthbtu (it) minute square footwatt square meter189.2754465477NIST SP 811, ISO 80000-3:2019
Lengthbtu (it) second square footwatt square meter11356.526682221NIST SP 811, ISO 80000-3:2019
Lengthbtu (it) second square foot %b0fwatt square meter k4.891950e-5NIST SP 811, ISO 80000-3:2019
Lengthbtu (it) square footjoule square meter11356.526682227NIST SP 811, ISO 80000-3:2019
Lengthbtu (th) cubic footjoule cubic meter37234.028198186NIST SP 811, ISO 80000-3:2019
Lengthbtu (th) foot hour sq. foot °fwatt meter k1.7295772055NIST SP 811, ISO 80000-3:2019
Lengthbtu (th) hour square footwatt square meter3.1524810541NIST SP 811, ISO 80000-3:2019
Lengthbtu (th) hour square foot %b0fwatt square meter k0.1762280394NIST SP 811, ISO 80000-3:2019
Lengthbtu (th) inch hour sq. foot °fwatt meter k0.1441314338NIST SP 811, ISO 80000-3:2019
Lengthbtu (th) inch second sq. foot °fwatt meter k518.8731616576NIST SP 811, ISO 80000-3:2019
Lengthbtu (th) minute square footwatt square meter189.1488632466NIST SP 811, ISO 80000-3:2019
Lengthbtu (th) second square footwatt square meter11348.93179479NIST SP 811, ISO 80000-3:2019
Lengthbtu (th) second square foot %b0fwatt square meter k4.895220e-5NIST SP 811, ISO 80000-3:2019
Lengthbtu (th) second square inchwatt square meter1.634246e+6NIST SP 811, ISO 80000-3:2019
Lengthbtu (th) square footjoule square meter11348.931794793NIST SP 811, ISO 80000-3:2019
Lengthcalorie (it) cubic centimeterjoule cubic meter4.186800e+6NIST SP 811, ISO 80000-3:2019
Lengthcalorie (it) hour square centimeterwatt square meter11.6300000008NIST SP 811, ISO 80000-3:2019
Lengthcalorie (it) minute square centimeterwatt square meter697.8000000803NIST SP 811, ISO 80000-3:2019
Lengthcalorie (it) second square centimeterwatt square meter41868.00000482NIST SP 811, ISO 80000-3:2019
Lengthcalorie (it) second square centimeter %b0cwatt square meter k2.388460e-5NIST SP 811, ISO 80000-3:2019
Lengthcalorie (th) hour square centimeterwatt square meter11.6222222222NIST SP 811, ISO 80000-3:2019
Lengthcalorie (th) minute square centimeterwatt square meter697.3333333314NIST SP 811, ISO 80000-3:2019
Lengthcalorie (th) second square centimeterwatt square meter41839.999999942NIST SP 811, ISO 80000-3:2019
Lengthcalorie (th) square centimeterjoule square meter41839.999999999NIST SP 811, ISO 80000-3:2019
Lengthcandela square centimetercandela square meter10000NIST SP 811, ISO 80000-3:2019
Lengthcandela square footcandela square meter10.7639104167NIST SP 811, ISO 80000-3:2019
Lengthcandela square inchcandela square meter1550.0031000062NIST SP 811, ISO 80000-3:2019
Lengthcandela square meterapostilb0.3183098862NIST SP 811, ISO 80000-3:2019
Lengthcandela square meterblondel0.3183098862NIST SP 811, ISO 80000-3:2019
Lengthcandela square meterbril3.183099e-8NIST SP 811, ISO 80000-3:2019
Lengthcandela square metercandela square centimeter0.0001NIST SP 811, ISO 80000-3:2019
Lengthcandela square metercandela square foot0.09290304NIST SP 811, ISO 80000-3:2019
Lengthcandela square metercandela square inch0.00064516NIST SP 811, ISO 80000-3:2019
Lengthcandela square meterfoot lambert3.4262590996NIST SP 811, ISO 80000-3:2019
Lengthcandela square meterkilocandela square meter0.001NIST SP 811, ISO 80000-3:2019
Lengthcandela square meterlambert3183.0988618379NIST SP 811, ISO 80000-3:2019
Lengthcandela square meterlumen sq. cm steradian0.0001NIST SP 811, ISO 80000-3:2019
Lengthcandela square meterlumen sq. meter steradian1NIST SP 811, ISO 80000-3:2019
Lengthcandela square meterlumen square foot steradian0.09290304NIST SP 811, ISO 80000-3:2019
Lengthcandela square metermillilambert3.1830988618NIST SP 811, ISO 80000-3:2019
Lengthcandela square metermillinit0.001NIST SP 811, ISO 80000-3:2019
Lengthcandela square meternit1NIST SP 811, ISO 80000-3:2019
Lengthcandela square meterskot0.0003183099NIST SP 811, ISO 80000-3:2019
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