Wien's Displacement Law Calculator
Calculate the relationship between temperature and peak emission wavelength for thermal radiators.
Results
Peak Wavelength: 501.52 nm
Peak Wavelength: 0.5015 μm
Color Region: green
Peak Frequency: 5.9777e+14 Hz
Peak Photon Energy: 2.4724 eV
Reference Values
| Object | Temperature (K) | λ_max (nm) |
|---|---|---|
| Sun | 5778 | 502 |
| Incandescent bulb | 2700 | 1073 |
| Human body | 310 | 9348 |
| Room temperature | 293 | 9890 |
| Sirius A | 9940 | 291 |
| Betelgeuse | 3500 | 828 |
Wien's Displacement Law
λ_max × T = b
b = 2.897771955 × 10⁻³ m·K
The product of peak wavelength and absolute temperature is constant.