Average Calculator
Find the mean, median, and sum of a list of numbers.
Interactive calculator
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
Weekly playbook
One actionable business calculation every Tuesday.
Real frameworks for pricing, hiring, and software ROI. No fluff. Unsubscribe in one click.