// multi-utility computation suite · offline · instant · precise
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sci.blackbody-peak-wavelength Calculator
Calculates the peak wavelength of blackbody radiation using Wien's displacement law: λ_max = b/T, where b = 2.898 × 10⁻³ m·K. The Sun's surface (5,778 K) peaks at 502 nm (green) — human skin at 310 K peaks at 9.35 µm, in the mid-infrared, which is why thermal cameras detect body heat.
Inputs
Temperature K
Thermal state of the substance. Check whether the formula needs Celsius, Fahrenheit, or Kelvin (K = °C + 273.15).
Emissivity
Reference formula or conversion factor shown for context.
Results
peak wavelength λ_max (nm)
The computed linear length.
peak frequency (THz)
Sample size or count used in the calculation.
total radiated power (W/m²)
The combined total across all inputs and components.