Solar constant

Calculate Solar constant instantly with the exact formula and a worked example. Free online calculator — no signup.

Solar constant

Distance, AU
Solar constant
1,361W/m²
Calculate Solar constant instantly with the exact formula and a worked example. Free online calculator — no signup.
I
1 361

More about: Solar constant

What it calculates

The “Solar constant” calculator computes Solar constant in W/m² from 1 parameter: distance, au.

A standard physics formula used in educational and engineering tasks.

Example calculation

With parameters Distance, AU = 1 the result is 1,361 W/m².

How to use

  1. Enter the parameter values — every field above is adjustable with a slider.
  2. The result and related metrics are calculated automatically as you type.
  3. Use the additional metrics shown (if any) where needed.
  4. Copy the result or bookmark the page.

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