Average Calculator

Calculate the average (mean) of a list of numbers quickly. Free online average calculator for school, work or everyday use.

Everything runs in your browser. Your input is not sent to a server.

How to use the Average Calculator

  1. Enter your numbers in the input field (as instructed on the form).
  2. Press Calculate to get the mean average.
  3. Review the result and copy it if needed.
  4. Reset to enter a new set of numbers.

How it works

The arithmetic mean is the sum of all values divided by the count of values. Empty or invalid entries are ignored according to the tool’s validation rules.

Common for grades, expenses, measurements and simple statistics.

Examples

  • Numbers 10, 20, 30 → average = 20.
  • Numbers 5, 5, 5, 15 → average = 7.5.
  • A single number → average equals that number.

Average Calculator FAQ

Is this the mean or the median?

This tool calculates the arithmetic mean (sum ÷ count), not the median or mode.

Can I enter decimals?

Yes, where the input accepts them.

Is the Average Calculator free?

Yes. It runs in your browser.

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