BangBang

Math & Science

Sample Size Calculator

Estimate a simple random sample for a proportion with optional finite population correction.

View on the App Store

Coming to the App Store. Download will be available after release.

What you can do

Estimate the number of participants needed for a simple random sample based on a proportion. This helps determine how many people to survey to achieve a desired confidence level.

How to use it

  1. Input the estimated proportion and the desired confidence level.
  2. Optionally apply a finite population correction factor if the total population is known.
  3. Receive the calculated sample size required for the survey.

Designed around this task

Sample Size Calculator opens in its own focused workspace. Find it through search or the tool catalog, then add it to favorites for repeat tasks. Light and dark appearance follow your app preference.