Average Calculator
Paste any list of numbers for the mean, median, mode, range, and more
5 numbers detected
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Quick summary
Paste numbers separated by commas, spaces, or new lines. The mean is the sum divided by the count; the median is the middle value when sorted (average of the two middle values for even counts); the mode is the most frequent value (there can be several, or none). Use the median instead of the mean when a few extreme values would distort the picture.
Reviewed by Simple Calculators TeamLast reviewed
How to use this calculator
- Enter the inputs requested by the calculator.
- Choose the units or options that match your situation and review the assumptions.
- Run or update the calculation to see the result.
- Review the result, breakdown, and formulas shown on the page.
- Check the inputs, units, dates, and limitations before saving or sharing the result.
Frequently asked questions
How do I calculate an average?
Add all the numbers and divide by how many there are: the average of 85, 92, 78, 90, 88 is 433 ÷ 5 = 86.6. That is the arithmetic mean — what “average” means unless stated otherwise.
What is the difference between mean and median?
The mean divides the total evenly; the median is the middle value. With incomes of 40k, 50k, 60k, 70k and 1M, the mean is 244k but the median is 60k — the median resists outliers, which is why home prices and incomes are reported as medians.
Can there be more than one mode?
Yes — a dataset with two equally-most-frequent values is bimodal, and if every value appears once there is no mode at all. The calculator lists all tied modes.
When should I use a weighted average?
When items count unequally — like course grades where the final is worth more than homework. For that, use our grade calculator, which weights each category.
Key terms
- Arithmetic Mean
- Sum ÷ count — the default “average.”
- Median
- The middle of the sorted list — robust to outliers.
- Mode
- The most frequent value(s); useful for categorical or repeated data.
- Range
- Max minus min — the simplest measure of spread.
Methodology, sources & limitations
This page shows the formula, assumptions, and limitations used for this estimate. Rates, thresholds, and other time-sensitive inputs can change, so verify them against the relevant official source before relying on a result.
For our review approach and the primary sources we consult, see the methodology and source policy. If you spot an outdated figure or formula, please contact us with a correction.