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Sample Size and Margin of Error Calculator

Both margin of error and sample sizes for customer surveys (e.g; infinite population sizes) can be calculated with the tools below:

Margin of Error Calculator

To calculate the margin of error resulting from a specific sample-size, enter that sample size below:
#
Note: Margin of error is calculated at the 95% confidence level and a response distribution of 50%.

Sample Size Calculator

To determine the required sample-size that is necessary to be within a specific margin of error, enter that margin of error below:
%
Both margin of error and sample sizes for employee surveys (e.g; finite population sizes) can be calculated with the tools below:

Margin of Error Calculator

To calculate the margin of error resulting from a specific sample-size drawn from a defined population, enter that sample size and population amount below:
#
#
Note: Margin of error is calculated at the 95% confidence level and a response distribution of 50%.

Sample Size Calculator

To determine the required sample-size from a defined population that is necessary to be within a specific margin of error, enter that population amount and margin of error below:
#
%