# Mean, Median & Mode Calculator

> Calculate mean, median, mode, range, variance and standard deviation from a list of numbers.

To calculate the mean, median and mode, paste your numbers separated by spaces, commas or new lines. The tool also returns range, quartiles, interquartile range and both sample and population standard deviation, so you do not need to know which one you need in advance.

**URL:** https://convertto.tech/t/statistics-calculator
**Category:** Calculators (https://convertto.tech/c/calculators)
**Privacy:** Runs entirely in the browser; no upload
**Cost:** Free, no sign-up
**Last updated:** 2026-08-01

## Key facts

- **Privacy:** Runs entirely in your browser — nothing is uploaded
- **Cost:** Free, unlimited, no sign-up

## How to use

1. Enter or paste your numbers.
2. The result appears immediately — copy or download it.

## FAQ

### Should I use sample or population standard deviation?

Use sample (n−1) when your numbers are a subset of a larger population, which covers almost all real measurements. Use population (n) only when your data includes every member of the group.

### When is the median better than the mean?

When the data is skewed or contains outliers. One extreme salary drags the mean upward but barely moves the median, which is why income is usually reported as a median.

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