MetricConv logo

Joule Square Meter Converter

Convert Joule Square Meter to Kilocalorie It Hour Square Meter and more • 68 conversions

Result

0

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

Unit Explanations

Joule Square MeterJ·m²

Source Unit

The joule square meter (J·m²) is a derived unit of measurement representing the energy transferred in joules across a certain area measured in square meters. It combines the fundamental unit of energy, the joule (J), with the area unit, square meter (m²), to form a compound unit that is particularly relevant in fields such as thermodynamics and materials science. Specifically, it is used in calculations involving heat transfer, particularly in the context of energy density, where energy is distributed over a surface area. The joule, defined as the energy transferred when one newton of force moves an object one meter, reflects the unit's physical significance in terms of work and thermal energy. The joule square meter thus serves as a metric for assessing energy distribution across surfaces, making it vital in numerous scientific and engineering applications.

JĀ·m² = J Ɨ m²

Current Use

Today, the joule square meter is widely used in various industries, including construction, materials science, and energy efficiency evaluation. In the construction industry, it serves as a vital metric for assessing the thermal performance of insulating materials, allowing engineers to understand how much heat energy can be retained or lost through a given area. In materials science, it helps in evaluating the energy absorption characteristics of different materials under varying environmental conditions. Additionally, in renewable energy sectors, this unit aids in analyzing solar panel efficiency by measuring how much energy is generated per unit area. Countries with advanced energy regulations, such as Germany, Japan, and the United States, frequently utilize joule square meters in their energy audits and assessments to enhance building performance and sustainability.

Fun Fact

The joule square meter is often used in energy efficiency ratings for buildings, influencing design and construction standards.

Kilocalorie per Hour per Square Meterkcal/(h·m²)

Target Unit

The kilocalorie per hour per square meter (kcal/(h·m²)) is a unit of heat transfer rate that quantifies the amount of thermal energy in kilocalories transferred per hour across a surface area of one square meter. It is commonly used in the context of thermal engineering, building physics, and HVAC (Heating, Ventilation, and Air Conditioning) systems to describe heat flow and energy efficiency. This unit allows for the analysis of heat loss or gain in relation to surface area, facilitating better design and management of thermal environments.

Q = (kcal/h·m²) * A * t

Current Use

Today, the kilocalorie per hour per square meter is widely used in fields such as building construction, food processing, and HVAC design. Engineers and architects use this unit to calculate the thermal performance of materials and systems, ensuring optimal energy efficiency and comfort in living and working spaces. It is particularly important in climates requiring significant heating or cooling, as it helps professionals assess insulation needs and energy consumption.

Fun Fact

The kilocalorie is often referred to as a 'Calorie' in dietary contexts, though it technically means 1000 calories.

Decimals:
Scientific:OFF

Result

0

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

šŸ“Conversion Formula

= Ɨ 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

šŸ’” Pro Tip: For the reverse conversion ( → ), divide by the conversion factor instead of multiplying.

J·m²

Joule Square Meter

heat • Non-SI

Definition

The joule square meter (J·m²) is a derived unit of measurement representing the energy transferred in joules across a certain area measured in square meters. It combines the fundamental unit of energy, the joule (J), with the area unit, square meter (m²), to form a compound unit that is particularly relevant in fields such as thermodynamics and materials science. Specifically, it is used in calculations involving heat transfer, particularly in the context of energy density, where energy is distributed over a surface area. The joule, defined as the energy transferred when one newton of force moves an object one meter, reflects the unit's physical significance in terms of work and thermal energy. The joule square meter thus serves as a metric for assessing energy distribution across surfaces, making it vital in numerous scientific and engineering applications.

History & Origin

The joule square meter has its roots in the definitions of its constituent units, the joule and the square meter. The joule was named after James Prescott Joule, an English physicist whose work in the mid-19th century laid the foundation for the principle of conservation of energy. His experiments in converting mechanical work into heat established the relationship between these forms of energy. The square meter, a metric unit for area, emerged from the metric system's development during the late 18th century, which aimed to create a universal measurement standard. The combination of these two units into the joule square meter reflects a growing understanding of energy dynamics across surfaces, particularly in fields like thermodynamics and materials science, where energy density is crucial.

Etymology: The term 'joule' is derived from the last name of James Prescott Joule, while 'square meter' combines the metric unit for area, meter, with the prefix 'square' to denote two-dimensional measurements.

1840: James Prescott Joule publishes...1960: The joule becomes an official ...

Current Use

Today, the joule square meter is widely used in various industries, including construction, materials science, and energy efficiency evaluation. In the construction industry, it serves as a vital metric for assessing the thermal performance of insulating materials, allowing engineers to understand how much heat energy can be retained or lost through a given area. In materials science, it helps in evaluating the energy absorption characteristics of different materials under varying environmental conditions. Additionally, in renewable energy sectors, this unit aids in analyzing solar panel efficiency by measuring how much energy is generated per unit area. Countries with advanced energy regulations, such as Germany, Japan, and the United States, frequently utilize joule square meters in their energy audits and assessments to enhance building performance and sustainability.

ConstructionMaterials ScienceRenewable EnergyThermal EngineeringEnvironmental Science

šŸ’” Fun Facts

  • •The joule square meter is often used in energy efficiency ratings for buildings, influencing design and construction standards.
  • •In thermodynamics, the joule square meter helps quantify the effectiveness of insulation materials, crucial for energy conservation.
  • •The concept of energy density is central to renewable energy research, with joule square meters being a key metric.

šŸ“ Real-World Examples

100 J·m²
Calculating energy loss through an insulated wall
200 J·m²
Energy absorbed by a solar panel per square meter
4180 J·m²
Heat energy required to raise the temperature of 1 kg of water by 10°C
1500 J·m²
Energy density of a heat exchanger surface
250 J·m²
Evaluating thermal conductivity of a building material
3000 J·m²
Energy output of a heat pump per square meter

šŸ”— Related Units

Joule (1 J = 1 JĀ·m²/m²)Square Meter (1 m² = 1 JĀ·m²/J)Watt (1 W = 1 J/s)Calorie (1 cal = 4.184 J)Kilowatt-Hour (1 kWh = 3.6 Ɨ 10⁶ J)British Thermal Unit (1 BTU = 252 J)
kcal/(h·m²)

Kilocalorie per Hour per Square Meter

heat • Non-SI

Definition

The kilocalorie per hour per square meter (kcal/(h·m²)) is a unit of heat transfer rate that quantifies the amount of thermal energy in kilocalories transferred per hour across a surface area of one square meter. It is commonly used in the context of thermal engineering, building physics, and HVAC (Heating, Ventilation, and Air Conditioning) systems to describe heat flow and energy efficiency. This unit allows for the analysis of heat loss or gain in relation to surface area, facilitating better design and management of thermal environments.

History & Origin

The concept of measuring heat transfer has evolved significantly since the early studies of thermodynamics in the 19th century. The kilocalorie was defined based on the amount of energy required to raise the temperature of one kilogram of water by one degree Celsius at standard atmospheric pressure. This unit became widely adopted in various scientific disciplines, leading to the definition of the kilocalorie per hour per square meter to facilitate the analysis of heat transfer in relation to surface area and time.

Etymology: The term 'kilocalorie' comes from the prefix 'kilo-', meaning one thousand, and 'calorie', which is derived from the Latin 'calor', meaning heat.

1824: Sadi Carnot publishes work on ...1865: James Clerk Maxwell's contribu...1909: The kilocalorie is officially ...

Current Use

Today, the kilocalorie per hour per square meter is widely used in fields such as building construction, food processing, and HVAC design. Engineers and architects use this unit to calculate the thermal performance of materials and systems, ensuring optimal energy efficiency and comfort in living and working spaces. It is particularly important in climates requiring significant heating or cooling, as it helps professionals assess insulation needs and energy consumption.

ConstructionHVACFood Processing

šŸ’” Fun Facts

  • •The kilocalorie is often referred to as a 'Calorie' in dietary contexts, though it technically means 1000 calories.
  • •One kilocalorie is equivalent to approximately 4.184 kilojoules, a standard conversion in nutritional science.
  • •The kilocalorie has been used for over a century in various scientific disciplines, showcasing its enduring relevance in energy studies.

šŸ“ Real-World Examples

2000 kcal/h
Heating a room with an area of 20 m² requiring 100 kcal/h per m².
5000 kcal/h
Insulating a building to reduce heat loss to 50 kcal/(h·m²) across 100 m².
4000 kcal/h
Cooling a commercial space of 50 m² needing 80 kcal/(h·m²).
3600 kcal/h
Evaluating a heating system's efficiency at 120 kcal/(h·m²) over 30 m².
1500 kcal/h
Analyzing energy requirements for a greenhouse of 25 m² at 60 kcal/(h·m²).

šŸ”— Related Units

Calorie (1 kcal = 1000 calories.)Kilojoule (1 kcal ā‰ˆ 4.184 kJ.)Watt (1 kcal/h = 1.163 W.)Therm (1 therm = 100,000 kcal.)

Frequently Asked Questions

How do I convert to ?ā–¼

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

What is the formula for to conversion?ā–¼

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

Is this to converter accurate?ā–¼

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 ?ā–¼

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

Advertisement
AD SPACE - 320x100
BANNER AD - 320x50