How to Calculate Margin of Error: Simple Steps + Free Calculator

Want to clear uncertainty in your sample estimate, try our margin of error calculator. Find the accurate MoE and make your survey interpretation more accurate!

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The acceptable values of margin of error typically lie between 4% & 8% at a confidence level of 95%

Margin of Error

NOTE: Please don’t confuse confidence level with the confidence interval. The latter is just an alternate name for margin of error.

This is the percentage of people in surveys that exhibit certain characteristics.

The sample size is the number of people you are surveying or studying.

The percentage of how closely your sample represents the population.

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