Tools / Average calculator (mean, median)
Average calculator (mean, median, weighted)
Paste or type numbers separated by spaces, commas or line breaks. For a weighted average enter the weights in the second field in the same order.
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🔒 Runs entirely in your browser – nothing you enter is uploaded or stored.
How to use it
- Paste your numbers.
- Optionally add weights (e.g. ECTS credits or exam weights).
- Read mean, median and the other statistics.
Last checked: October 2026. Found a mistake? Use the form below – we fix confirmed errors and update the date.
Frequently asked questions
What is the difference between mean and median?
The mean adds everything and divides by the count; the median is the middle value and is less affected by outliers.
How is a weighted average calculated?
Sum of (value × weight) ÷ sum of weights. Grades 2 (weight 2) and 3 (weight 1) give (4 + 3) ÷ 3 = 2.33.
Which standard deviation is shown?
The sample standard deviation (divided by n − 1).