# Standard Deviation Calculator

- Standard deviation is a statistical measure of variation or dispersion between values in a data set or in other words, how much the numbers in the data set are likely to differ from the mean value.
- Our standard deviation calculator is the most sophisticated and comprehensive standard deviation calculator online.
- It does much more than just calculating the standard deviation. It also gives you mean, median, variance, coefficient of variance and much more!
- Just click the "start calculator" button below and get started. Our calculator is very easy to use.