Average Calculator

Find the mean, median, and sum of a list of numbers.

Average Calculator
Live result
Mean (average)
30
Median
30
Sum
150
Count
5
What it is

Average usually means the arithmetic mean — sum divided by count. The median is the middle value, which is often more robust to outliers.

The formula

Mean = Sum ÷ Count Median = Middle value (or avg of two middles)

Why it matters

Understanding average calculator helps you make a better-informed decision before you commit money or time.

Worked examples

Try the example

Use the defaults above as a starting point — then adjust the inputs to match your situation.

Common pitfalls
  • Double-check the units on every input — most errors come from mixing units.
  • Round at the end, not in the middle of the formula.

Frequently asked questions

Related calculators

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