Calculate
How to use this calculator
Separate numbers with commas.
How it's calculated
Average = sum of all numbers ÷ how many numbers there are.
Worked example
For 10, 20, 30 and 40 the sum is 100, and 100 ÷ 4 = 25.
Frequently asked questions
What is an average?
The arithmetic mean is the sum of the values divided by the number of values.
Can I enter decimals?
Yes. Separate decimal values with commas.
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Last updated October 2026. Results are estimates for guidance. Calculations run in your browser and are not stored.