How it works
- 1Enter variables using the units and ranges shown beside each field.
- 2Results update with your inputs. Use the button below the diagram to calculate or start the animation.
- 3Review result units, model assumptions and sources.
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BROWSER · Local JavaScript · Physics Lab
Blackbody Radiation
Blackbody Radiation. Enter your own values. Interactive physics diagram.
✓ Enter your own values✓ Interactive physics diagram✓ Calculations run in your browser.
About this tool
Planck spectrum per wavelength. Constant-emissivity gray body; Wien peak position is unchanged. Net power assumes surroundings view factor 1; negative values mean net heat gain.
Common uses
Physics ToolsBlackbody Radiation onlinefree Blackbody Radiation
Frequently asked questions
What are the model limitations?
Planck spectrum per wavelength. Constant-emissivity gray body; Wien peak position is unchanged. Net power assumes surroundings view factor 1; negative values mean net heat gain.
Are my values sent to a server?
Calculations run in your browser.