Stefan Boltzmann Law Calculator

Stefan Boltzmann Equation: P = ε A σ T4

Stefan-Boltzmann Constant(σ) = 5.67 × 108 W/m2 K4

Enter the unknown value as ‘x’

Surface Area(A): m2

Temperature(T): K

Radiation Energy(P): W(J/s, N.m/s)

x =


Stefan Boltzmann Law Calculator is a free online tool that displays the radiation energy for the given temperature and surface area. BYJU’S online Stefan Boltzmann law calculator tool makes the calculation faster, and it displays the amount of radiation energy in a fraction of seconds.

How to Use the Stefan Boltzmann Law Calculator?

The procedure to use the Stefan Boltzmann law calculator is as follows:

Step 1: Enter the temperature, surface area and x for the unknown in the respective input field

Step 2: Now click the button “Calculate x” to get the result

Step 3: Finally, the radiation energy using Stefan Boltzmann law will be displayed in the output field

What is Meant by the Stefan Boltzmann Law?

Stefan Boltzmann law states that the total amount of radiation energy emitted from the surface is directly proportional to the fourth power of its absolute temperature. This law is only applicable to the black bodies and the theoretical surfaces that absorb all the incident heat radiation. The value of Stefan Boltzmann constant is approximately equal to 5.67 x 10 -8 W · m -2 · K -4

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