Sphere surface area

Calculate Sphere surface area instantly with the exact formula and a worked example. Free online calculator — no signup.

Sphere surface area

Radiusm
Sphere surface area
314.1593
4·π·r²Calculate Sphere surface area instantly with the exact formula and a worked example. Free online calculator — no signup.

More about: Sphere surface area

What it calculates

The “Sphere surface area” calculator computes Sphere surface area in m² from 1 parameter: radius (m).

A core calculation for studying, engineering tasks, and checking solutions.

Example calculation

With parameters Radius = 5 m the result is 314.16 (4·π·r²).

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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