Margin of Error Calculator
Calculate the margin of error for survey results and polls.
%
Use 50% for maximum margin of error
Leave 0 for infinite population
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Margin of Error
±0%
Result range: 0% – 0%
Interval Visualization
50%
0%
0%
Z-Score
0
Sample Size
1,000
Confidence
95%
Documentation
Margin of Error Formula
The margin of error is calculated using the Z-score for the confidence level and the standard error of the proportion.
Standard Error
Margin of Error
Finite Correction
Frequently Asked Questions
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