OnlineSciCalc Home Guide Tools

Standard Deviation Calculator

Numbers :
Type :
σ :

Population Standard Deviation


Sample Standard Deviation

N=population size
n=sample size
xi=ith number in list
=mean of all numbers in list

How do I use the Standard Deviation calculator?

  • Enter the numbers for which you would like to find the standard deviation
  • Separate each number with a comma
  • Select whether to find the population or sample standard deviation
  • See the answer appear instantly