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Gray Converter

Convert Gray to Kilogray Second and more • 73 conversions

Result

0

1 0
Conversion Formula
1 = ---
Quick Reference
1 = 1
10 = 10
50 = 50
100 = 100
500 = 500
1000 = 1000

Unit Explanations

GrayGy

Source Unit

The gray (Gy) is the SI derived unit of absorbed dose of ionizing radiation, defined as the absorption of one joule of radiation energy by one kilogram of matter. It quantifies the amount of energy deposited by radiation in a specified mass of material, which in biological contexts is often human tissue. The gray is crucial in assessing radiation exposure and its potential biological effects, and it serves as a fundamental unit in radiation safety and protection protocols.

1 Gy = 1 J/kg

Current Use

The gray is widely used in medical fields, particularly in radiation therapy for cancer treatment, where precise dosages are critical for effective treatment while minimizing damage to surrounding healthy tissue. It is also employed in radiological assessments, nuclear power, and safety protocols for radiation workers. Various international organizations, including the International Atomic Energy Agency (IAEA), utilize the gray for consistent communication regarding radiation exposure levels.

Fun Fact

The gray is equivalent to 100 rad, an older unit of absorbed dose.

Kilogray SecondkGy·s

Target Unit

The kilogray second (kGy·s) is a derived unit of measurement in the field of radiation dosimetry, quantifying the product of absorbed dose in grays (Gy) and time in seconds (s). One kilogray corresponds to an absorbed dose of 1,000 joules of radiation energy absorbed per kilogram of matter. Therefore, when expressed in kilogray seconds, it represents the total energy absorbed over a given time, making this unit particularly useful in medical and industrial applications where radiation dose over time is critical for safety and efficacy.

kGy·s = kGy × s

Current Use

The kilogray second is extensively used in medical applications, particularly in radiation therapy for cancer treatment, where precise dosimetry is crucial for determining the effective dose delivered to tumors while minimizing exposure to surrounding healthy tissues. It is also applied in sterilization processes in the food and pharmaceutical industries, where controlled radiation doses are required to ensure safety and preservation.

Fun Fact

The gray is named after Louis Harold Gray, who was pivotal in establishing radiation safety standards.

Decimals:
Scientific:OFF

Result

0

1
0
Conversion Formula
1 = ...
1→1
10→10
100→100
1000→1000

📐Conversion Formula

= × 1.00000

How to Convert

To convert to , multiply the value by 1.00000. This conversion factor represents the ratio between these two units.

Quick Examples

1
=
1.000
10
=
10.00
100
=
100.0

💡 Pro Tip: For the reverse conversion (), divide by the conversion factor instead of multiplying.

Gy

Gray

radiationSI Unit

Definition

The gray (Gy) is the SI derived unit of absorbed dose of ionizing radiation, defined as the absorption of one joule of radiation energy by one kilogram of matter. It quantifies the amount of energy deposited by radiation in a specified mass of material, which in biological contexts is often human tissue. The gray is crucial in assessing radiation exposure and its potential biological effects, and it serves as a fundamental unit in radiation safety and protection protocols.

History & Origin

The gray was introduced in 1975 by the International System of Units (SI) as the unit of absorbed dose to provide a standardized measurement for radiation exposure. Its creation was a response to the need for a unified system that could facilitate consistency in scientific research and practical applications in radiology, nuclear medicine, and radiation therapy.

Etymology: The unit is named after the British physicist Louis Harold Gray, who made significant contributions to the field of radiation therapy and the study of radiation's effects on biological tissue.

1975: The gray is officially adopted...

Current Use

The gray is widely used in medical fields, particularly in radiation therapy for cancer treatment, where precise dosages are critical for effective treatment while minimizing damage to surrounding healthy tissue. It is also employed in radiological assessments, nuclear power, and safety protocols for radiation workers. Various international organizations, including the International Atomic Energy Agency (IAEA), utilize the gray for consistent communication regarding radiation exposure levels.

HealthcareNuclear EnergyRadiologyEnvironmental Science

💡 Fun Facts

  • The gray is equivalent to 100 rad, an older unit of absorbed dose.
  • The gray is used in radiation therapy to ensure that the cancerous tissue receives a lethal dose while surrounding healthy tissue receives a much lower dose.
  • Louis Harold Gray was the first scientist to quantify the effects of radiation on living tissue, leading to advancements in cancer treatment.

📏 Real-World Examples

2 Gy
A patient receives a single dose of radiation for cancer treatment.
20 Gy
A radiation worker's annual limit for radiation exposure is set.
10 mGy
Diagnostic imaging procedures, such as CT scans, expose patients to radiation.
1.5 Gy
Radiation therapy for a thyroid condition requires a specific dose.
0.5 Gy
Environmental evaluations assess radiation levels after a nuclear accident.

🔗 Related Units

Rad (1 Gy = 100 rad)Rem (1 Gy = 100 rem (in terms of biological effect depending on radiation type))Sievert (1 Sv = 1 Gy for photons; used for equivalent dose measurement.)Joule (1 Gy is defined as 1 J/kg, linking it to energy absorption.)
kGy·s

Kilogray Second

radiationNon-SI

Definition

The kilogray second (kGy·s) is a derived unit of measurement in the field of radiation dosimetry, quantifying the product of absorbed dose in grays (Gy) and time in seconds (s). One kilogray corresponds to an absorbed dose of 1,000 joules of radiation energy absorbed per kilogram of matter. Therefore, when expressed in kilogray seconds, it represents the total energy absorbed over a given time, making this unit particularly useful in medical and industrial applications where radiation dose over time is critical for safety and efficacy.

History & Origin

The kilogray second has its origins in the development of radiation measurement standards during the mid-20th century, particularly following the establishment of the gray as the SI unit of absorbed radiation dose in 1975 by the International System of Units (SI). The term 'gray' itself was named in honor of British physicist Louis Harold Gray, who made significant contributions to radiation research.

Etymology: The term 'kilogray' is derived from the prefix 'kilo-', meaning one thousand, combined with 'gray', after Louis Harold Gray. The 'second' is a standard unit of time in the International System of Units, denoting duration.

1975: Establishment of the gray as t...1959: Introduction of the concept of...

Current Use

The kilogray second is extensively used in medical applications, particularly in radiation therapy for cancer treatment, where precise dosimetry is crucial for determining the effective dose delivered to tumors while minimizing exposure to surrounding healthy tissues. It is also applied in sterilization processes in the food and pharmaceutical industries, where controlled radiation doses are required to ensure safety and preservation.

HealthcarePharmaceuticalFood Safety

💡 Fun Facts

  • The gray is named after Louis Harold Gray, who was pivotal in establishing radiation safety standards.
  • Radiation therapy can vary significantly in dose rate, influencing treatment outcomes and side effects.
  • The use of radiation in food preservation dates back to the 1950s, with increasing adoption globally.

📏 Real-World Examples

50 kGy·s
Radiation therapy for a tumor treatment
15 kGy·s
Food irradiation for sterilization
5 kGy·s
Calibration of radiation detection equipment
10 kGy·s
Radiobiological research study
2.5 kGy·s
Hospital safety protocols

🔗 Related Units

Gray (1 kGy = 1,000 Gy)Sievert (1 Sv = 1 Gy for biological effects in soft tissue)Gray Hour (1 kGy·h = 3,600 kGy·s)Roentgen (1 R = 0.01 Gy in air for x-rays and gamma rays)

Frequently Asked Questions

How do I convert to ?

To convert to , multiply your value by 1. For example, 10 equals 10 .

What is the formula for to conversion?

The formula is: = × 1. This conversion factor is based on international standards.

Is this to converter accurate?

Yes! MetricConv uses internationally standardized conversion factors from organizations like NIST and ISO. Our calculations support up to 15 decimal places of precision, making it suitable for scientific, engineering, and everyday calculations.

Can I convert back to ?

Absolutely! You can use the swap button (⇄) in the converter above to reverse the conversion direction, or visit our to converter.

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