This web page contains a live and functional spreadsheet created with
Calculate the sample size for surveying or testing based on having a finite universe of people to survey or interview.
Enter the size of the Finite Universe (how many people)
Choose the Confidence Level you want (90%, 95%, 99%).
Confidence Level SD
Enter the Percentage of Population (set to default value of 50%)
Select the Confidence Interval (Margin of Error) % (+ or -) for this program.
Sample Size for Finite Universe