Statistics Calculator

This Statistics Calculator will allow you to calculate the sample size based on desired statistical constraints.
This Sample Size Calculator takes a confidence level, confidence interval, a hypothesized population proportion and a population size and returns an appropriate sample size.
The user must select a confidence interval and input a population proportion and population size (optional).

This Sample Size Calculator is a great resource for Statistics.

Confidence Level:	70%75%80%85%90%92%95%98%99%99.9%99.99%99.999%
Confidence Interval:
% Hypothesized Population Proportion:
Population Size (Leave Blank if infinite):

Sample Size:

Please enjoy using our Sample Size Calculator.