Compare calculators
Both calculators run independently — change the inputs on either side to compare results.
Statistics
Standard Deviation Calculator
Instantly find the standard deviation and variance of any numeric data set, choosing between population or sample formulas. Ideal for students, researchers, and analysts summarizing data spread.
Fill in the required fields to see your result.
Statistics
Mean, Median, Mode Calculator
Find any of the three classic measures of central tendency — mean, median, or mode — from a comma-separated list of numbers. Use the mean for symmetric data, the median for skewed data, and the mode for the most common value.
Fill in the required fields to see your result.
Key differences
| Standard Deviation Calculator | Mean, Median, Mode Calculator | |
|---|---|---|
| Category | Statistics | Statistics |
| Inputs required | 3 | 2 |
| Result | Standard Deviation | Result |
| What it does | Instantly find the standard deviation and variance of any numeric data set, choosing between population or sample formulas. Ideal for students, researchers, and analysts summarizing data spread. | Find any of the three classic measures of central tendency — mean, median, or mode — from a comma-separated list of numbers. Use the mean for symmetric data, the median for skewed data, and the mode for the most common value. |