Sample Size Calculator

Population Size:

Margin of Error (e.g., 0.05 for 5%):

Confidence Level (e.g., 95 for 95%):

Estimated Proportion (e.g., 0.5 if unknown):

Results

Welcome to the Sample Size Calculator!

This tool helps you determine the appropriate sample size for your research based on your population size, margin of error, confidence level, and estimated proportion.

How Does It Work?

Input Parameters: Enter your population size, margin of error, confidence level, and estimated proportion.
Calculate: Click the 'Calculate Sample Size' button to compute the required sample size.
View Results: The result will display the required sample size for your study.

Important Notes

Input Format: Ensure all inputs are filled out correctly for accurate results.
Confidence Levels: Common values are 90%, 95%, and 99%. Default is 95%.
Note: All calculations are done on the client side; no data is stored.