Average Calculator

The average (arithmetic mean) is the sum of values divided by how many there are. Median and mode describe the middle and most common values.

How to use the Average Calculator

  1. Type or paste your numbers.
  2. Results update instantly.
  3. Copy or download them.

How it works

Mean = Sum ÷ Count. Median is the middle value of the sorted list (or the mean of the two middle values). Mode is the most frequent value. Range = Maximum − Minimum.

Worked example

For 12, 18, 18, 25, 31: mean 20.8, median 18, mode 18, range 19.

Good to know

Median resists outliers better than the mean.

A list can have several modes or none.

Separate numbers with commas, spaces or new lines.

Frequently asked questions

Add all numbers and divide by how many there are.

The mean is the arithmetic average; the median is the middle value.

Yes, when values tie for most frequent.

Results are estimates for information only and are not financial, tax or legal advice.