Margin of Error Calculator

Calculate sampling accuracy with this easy Margin of Error tool

The Margin of Error Calculator helps you determine the range within which survey or sampling results are likely to fall relative to the true population values. By inputting your confidence level, sample size, population size, and proportion percentage, this tool computes the margin of error using widely accepted statistical formulas, including finite population correction when applicable. It is ideal for researchers, students, and analysts seeking to assess the reliability of their survey data. Whether you're evaluating polling results, market research, or academic surveys, this calculator provides quick and accurate estimates to support data-driven decisions.
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