∑Math calculator

Average Calculator

Mean, median, and sum of a list of numbers.

Enter numbers (comma separated) and get mean and median instantly.

InNumbers (comma separated)OutMeanOutMedianOutSum
1 input4 resultsFree no signupPrivate in your browser

Average Calculator

Fill in the value and the answer updates as you type.

Live
1 Your numbers
2 Your result

How the Average Calculator works

Mean = sum ÷ count. Median is the middle value of the sorted list.

Inputs and results

The Average Calculator takes 1 input and gives 4 results.

What you enter

  • Numbers (comma separated) — starts at 12, 18, 25, 31, 9.

What you get

  • Mean
  • Median
  • Sum
  • Count

Example: Average Calculator with the starting values

With numbers (comma separated) 12, 18, 25, 31, 9, the calculator returns:

Example results
Mean19
Median18
Sum95
Count5

Change any value above and the results update straight away.

Average Calculator FAQ

How do I use the Average Calculator?

Enter numbers (comma separated) in the fields, then read mean, median, sum and count in the result panel. The answer updates as you type, and you can press Calculate or Enter to refresh it. Use “Copy link” to share your exact numbers with someone else.

What does the Average Calculator calculate?

Mean, median, and sum of a list of numbers. It returns mean, median, sum and count from the 1 value you provide.

What values does the Average Calculator start with?

It opens with numbers (comma separated) 12, 18, 25, 31, 9 so you can see a working result straight away. Replace them with your own numbers, or press Reset to return to these starting values.

Is the Average Calculator free and private?

Yes. It is free, needs no account, and runs in your browser, so nothing you type is sent to or stored on our servers. See the Privacy Policy for details.

Can I rely on the Average Calculator for important decisions?

Treat the result as a well-rounded estimate. Real situations often have details a general calculator cannot know, so confirm important decisions with a qualified professional. See the Disclaimer for more.