Free online calculator

Average Calculator

Find the mean, median, mode, range, count and sum for a list of numbers instantly.

✓ Instant results✓ No sign-up✓ Runs in your browser
How it works

Formula and method

Arithmetic mean = sum of all values ÷ number of values. Median is the middle sorted value.

Worked example

The average of 4, 8 and 12 is (4 + 8 + 12) ÷ 3 = 8.

Assumptions

  • Values are weighted equally.
  • Commas, spaces and line breaks may separate values.

Reference sources

Reviewed and updated 2026-07-14

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