Calculate radiative equilibrium temperature from absorbed power, radiating area, and emissivity.
Equilibrium temperature
268.37 K
-4.78 C
Emitted flux
250.00 W/m2
absorbed power / area
The surface temperature settles where absorbed power equals emitted thermal radiation.
268.4 K
Equilibrium temperature
268.37 K
-4.78 C
Absorbed power
1,000.00 W
4.00 m2 radiating area
Emitted flux
250.00 W/m2
heat load 250.00 W/m2
Surface property
epsilon 0.850
Stefan-Boltzmann emission factor
This tool is open source and the underlying logic is fully transparent. You can inspect the code, understand the calculations, and contribute improvements. If you want to use the tool in your own website, course page, or learning platform, you can also embed it directly and start from a ready-made iframe setup for this exact tool.
Open source: review the implementation and see how the results are produced.
Embeddable: preview this tool, copy the iframe, and use it in your own site or LMS.
Calculate radiative equilibrium temperature from absorbed power, radiating area, and emissivity.
Equilibrium temperature
268.37 K
-4.78 C
Emitted flux
250.00 W/m2
absorbed power / area
The surface temperature settles where absorbed power equals emitted thermal radiation.
268.4 K
Equilibrium temperature
268.37 K
-4.78 C
Absorbed power
1,000.00 W
4.00 m2 radiating area
Emitted flux
250.00 W/m2
heat load 250.00 W/m2
Surface property
epsilon 0.850
Stefan-Boltzmann emission factor
This tool is open source and the underlying logic is fully transparent. You can inspect the code, understand the calculations, and contribute improvements. If you want to use the tool in your own website, course page, or learning platform, you can also embed it directly and start from a ready-made iframe setup for this exact tool.
Open source: review the implementation and see how the results are produced.
Embeddable: preview this tool, copy the iframe, and use it in your own site or LMS.