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.

Select an input format: Raw Data

Enter data:

Standard Deviation:

Count:

Sum:

Midrange:

Mean:

Median:

Mode:

Variance:

Minimum:

Maximum:

Coefficient of Variation:

Root Mean Squared:

Standard Error of Mean:

Skewness:

Kurtosis:

Interquartile Range:

Sum of Squares:

Mean Deviation:

Quartile 1:

Quartile 2:

Quartile 3: