Convert between W/m², mW/cm², BTU/hr·ft², cal/cm²·min, erg/cm²·s, and solar flux units. Essential for optics, solar energy, environmental science, and engineering.
International System of Units (SI) measurements
Traditional British and American measurements
Scientific and technical measurements
W/m²: Watts per square meter (standard SI unit)
mW/m²: Milliwatts per square meter
μW/m²: Microwatts per square meter
nW/m²: Nanowatts per square meter
pW/m²: Picowatts per square meter
kW/m²: Kilowatts per square meter
W/cm²: Watts per square centimeter
mW/cm²: Milliwatts per square centimeter
W/ft²: Watts per square foot
BTU/hr·ft²: British Thermal Units per hour per square foot
cal/cm²·min: Calories per square centimeter per minute
erg/cm²·s: Ergs per square centimeter per second
solar flux units: Solar flux units (10⁻²² W/m²/Hz)
Langley: 1 cal/cm² (historical unit)
Solar constant: ~1361 W/m² at Earth's orbit
Standard conditions: 25°C, 1 atm pressure
Radiance and irradiance conversion involves converting between different units of power per unit area. These measurements are crucial for understanding light intensity, solar radiation, and thermal energy transfer in various scientific and engineering applications.
This converter provides precise conversions between all radiance and irradiance units, making it easy to work with any measurement scale. Whether you're designing solar energy systems, conducting optical research, or analyzing environmental data, our radiance converter ensures accurate and reliable results.
Irradiance is a measure of the power of electromagnetic radiation per unit area incident on a surface. It is fundamental to understanding energy transfer through radiation and is used extensively in physics, engineering, and environmental science.
Understanding radiance and irradiance is crucial in solar energy, optics, climate science, and many other fields. Our converter provides the mathematical relationships needed to work with these measurements across different unit systems and applications.
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