Average (Mean) Calculator
A free, browser-based calculator. Runs entirely in your browser — no sign up, nothing stored.
100% FreeRuns in your browserBasic
Enter Values
Enter your values and press Calculate to see results.
How to use this calculator
- Enter up to five values.
- Press Calculate for the average, sum and count.
How it works
The mean (average) is the sum of the values divided by how many there are.
Worked example
10, 20 and 30. Sum 60 ÷ 3 = 20.
Related tools
Tip: Enter any known values to calculate the remaining results.
All calculations run in your browser. Your inputs are never saved or transmitted.