A walkthrough, end to end.
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Paste or type your numbers separated by commas, spaces, or newlines.
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The calculator returns the arithmetic mean (sum ÷ count).
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Includes sum, count, min, and max as bonus stats.
Arithmetic mean
The classical average — the sum of all values divided by the count. The most common 'average' people refer to. For more advanced statistics (median, mode, deviation), see related tools.
What you can do with this.
Test score average
Five test scores: 78, 85, 92, 71, 88. Average = 414/5 = 82.8. Standard grading approach. The calculator handles arbitrary list lengths.
Weekly hours / time-tracking
Hours worked Mon–Fri: 7.5, 8, 9, 8.5, 7. Average = 8 hours/day. Useful for HR reports, freelance billing, productivity tracking.
Budget category average
Monthly grocery spending over 6 months: 420, 380, 510, 460, 425, 490. Average = 447.50. Smooths out month-to-month variation for planning.
Performance metrics
App load times across 10 measurements: 1.2, 1.4, 0.9, 1.1, 1.3, 1.5, 1.0, 1.2, 1.1, 1.0. Average = 1.17 sec. Median often more useful when data has outliers.
Sports stats
Points per game across 8 games: 18, 22, 15, 28, 19, 24, 17, 21. Average = 20.5. Standard sports average. Career averages computed the same way over many games.
Average vs. median when to use each
Average is sensitive to outliers. Median (middle value) is more robust. Use average when distribution is symmetric; median when skewed (income, home prices, etc.).
Weighted average
When values aren't equally important (e.g., grades by credit hour), use weighted average instead of simple mean. The calculator does straight (unweighted) mean — for weighted, multiply each value by its weight, sum, divide by sum of weights.
Average calculator 2026 — what's current
Spreadsheets handle averages instantly. The standalone calculator is fastest for small lists or when you don't have a spreadsheet open. AI assistants reliably compute averages too — but trust-but-verify for important numbers.
Frequently asked.
In casual use, yes — they refer to arithmetic mean. In stats, 'average' is broader (could mean median or mode); 'mean' is specifically arithmetic mean. The calculator computes arithmetic mean.
Outliers can pull the mean misleadingly. Check the median (middle value) for comparison. If median and mean diverge significantly, the data is skewed.
No. Calculations run entirely in your browser.