Blackbody Spectral Radiance Calculator

Instructions

Curve shows spectral radiance distribution.

Read our white paper on Blackbody Theory to learn more about thermal measurement. Read More.

K °C

Temperature:

Wavelength (μm) Wavenumber (cm⁻¹)

Single Wavelength:

Short Waveband Limit:

Long Waveband Limit:

Warning: Short waveband must be less than long waveband.

Emissivity:

Select Units: Photons/s Watts

Min X-axis:

Max X-axis: