Unit Converters · Free tool
Average Calculator
Paste a list of numbers and get the mean, median, mode, range, and sum. Free statistics helper.
Mean (average)
30
Count
5
Sum
150
Median
30
Mode
none
Min
10
Max
50
Range
40
Variance (pop.)
200
Variance (sample)
250
Std Dev (pop.)
14.1421
Std Dev (sample)
15.8114
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What it does
Paste or type any list of numbers (comma, space, or newline separated) to compute count, sum, mean, median, mode, minimum, maximum, range, and both population and sample variance and standard deviation. One textarea, full stat summary — no spreadsheet required.
Useful for quick data checks, survey results, lab measurements, and sports stats. For percentage math see percentage calculator; for scaling proportions, ratio calculator.
Embed this tool on your siteShow snippetHide
Paste this snippet into any page. Loads on-demand (lazy), no tracking scripts, and sized to most dashboards. Replace the height to fit your layout.
<iframe src="https://freetoolarena.com/embed/average-calculator" width="100%" height="720" frameborder="0" loading="lazy" title="Average Calculator" style="border:1px solid #e2e8f0;border-radius:12px;max-width:720px;"></iframe>How to use it
- Paste your numbers into the textarea — comma, space, or newline separated.
- Read mean, median, mode, and range at the top.
- Scroll down for variance and standard deviation (population and sample).
- Clear and paste a new dataset anytime.
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Learn more
Guides about this topic
- How-To & Life · GuideHow to calculate averagesArithmetic mean, weighted mean, median vs mode, geometric and harmonic means, when each is right, and why mean misleads. Free online guide. No sign-up.
- Using Our Tools · GuideHow to calculate days between two datesCalendar, business, and trading days, inclusive/exclusive endpoints, leap years, 30/360, time-zone gotchas, ISO format tips. Free online guide. No sign-up.
- Using Our Tools · GuideHow to convert between unitsQuickly convert length, weight, volume, and temperature with offset math. Free, instant guide clarifies US vs UK gallons, data sizes, and ton variants.
- How-To & Life · GuideHow to convert between speed unitsUnit families, conversion factors, pace vs speed, context per unit, significant figures, Beaufort scale, common mistakes. Free online guide. No sign-up.
- How-To & Life · GuideHow to read Roman numeralsParse seven letter values, subtractive rule, and large-number edge cases free online. Convert Roman numerals to numbers instantly with no signup required.
- How-To & Life · GuideHow to calculate ratiosLearn part-to-part vs part-to-whole, GCD simplification, scaling recipes, cross-multiplication, and common ratio traps in word problems. Free, no sign-up read.
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