Standard deviation

Client

Population standard deviation σ from pasted numbers.

σ = 2.000000

Nearby workflows on Toolcore

  • Variance calculator — Population variance σ² for pasted numbers—companion to standard deviation. when units or numeric output should be checked on a related calculator.
  • Mean, median & mode — Paste numbers (comma or whitespace separated) to get mean, median, and modes. when units or numeric output should be checked on a related calculator.
  • Percentile calculator — Linear-interpolation percentile from a number list and target percent. when units or numeric output should be checked on a related calculator.
  • Math expression evaluator — Evaluate basic + − × ÷ arithmetic with parentheses in your browser—no variables. when units or numeric output should be checked on a related calculator.

About this tool

Population (not sample) standard deviation.

Common use cases

  • Standard deviation for quick local checks without uploading data.
  • Copy results into tickets, docs, or classroom notes.

Common mistakes to avoid

  • Unexpected input shape

    See the intro and how-to notes for accepted formats.

FAQ

Is processing local?

Yes—this runs entirely in your browser.

Agent prefill?

Use q or qb for the main text field when supported.

More tools

Related utilities you can open in another tab—mostly client-side.