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Wien's Displacement Law — result sheet
Calculate the ideal blackbody peak wavelength from absolute temperature.
Inputs used
Results
Visual chart
Breakdown
Calculation steps
Returned data table
Formula and methodology
Formula: Wien displacement relation lambda_max = b/T, using b = 2.897771955e-3 m K. This is an ideal blackbody peak relation only.
This calculator evaluates Wien's displacement relation for an ideal blackbody and returns peak wavelength in metres and nanometres. It does not diagnose a material, color, or measured spectrum.
This result follows the calculator's declared inputs, precision, validation boundaries, and model limits.
Input contract
- Absolute temperature — K; Finite positive blackbody temperature in kelvins.; minimum 1; maximum 1000000
Worked example
| Input | Value |
|---|---|
| Absolute temperature | 300 |
Ideal blackbody peak wavelength is 0.00000965924 m, or about 9,659.24 nm.
Assumptions and limits
- Temperature is a finite positive absolute temperature in kelvins from 1 through 1,000,000 K.
- The displacement constant is fixed at 2.897771955e-3 m K and the returned wavelength is the ideal spectral peak for the entered temperature.
- This is an ideal blackbody peak relation only. Emissivity, spectral lines, material identity, color diagnosis, and equipment advice are outside scope.
Calculator note
Source and methodology
Use the official WorldCalculate methodology policy for the source, formula, precision, and boundary standards behind this calculator.
Planning estimate, not financial, medical, legal, or professional advice. © WorldCalculate — reuse with attribution. Built and curated by Hassan ALRowaie.
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