How to calculate mean · median · mode
Mean = sum ÷ count · Median = middle value · Range = max − min
Worked example. Mean (average): 18.
Example inputs — Numbers (separated by commas or spaces): 4, 8, 15, 16, 23, 42. Starting values are illustrative.
No mode — every value appears once
From George Guju, founder of Calculyn · Educational calculator guidance, not professional advice.
How it works
The mean is the total divided by how many numbers there are. The median is the middle value when sorted. The mode is the most frequent value, and the range is largest minus smallest.
Assumptions & limitations
- Results are rounded for display.
Formula and assumptions reviewed October 2026 by the Calculyn team. How we build our calculators
Frequently asked questions
When is the median better than the mean?
When a few extreme values would skew the average — like house prices or incomes.