Standard Error Calculator
Estimate the standard error of a mean as s / √n.
Open toolStandard Error Of Proportion Calculator
Estimate a proportion standard error as √(p(1−p)/n). Simple independent Bernoulli sample; plug-in standard error, with no confidence interval or design-effect adjustment.
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Enter the inputs, then select Calculate.
Your result
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Result will appear here
How Standard Error Of Proportion Calculator works
Estimate a proportion standard error as √(p(1−p)/n).
Simple independent Bernoulli sample; plug-in standard error, with no confidence interval or design-effect adjustment. Inputs and results use floating-point numbers and may be rounded. Results show up to 12 significant digits.
How to use Standard Error Of Proportion Calculator
Follow the labelled inputs.
Enter sample proportion
Replace the example with sample proportion. The field labels specify the expected format and units.
Input and settings
Check the remaining inputs
Set independent sample size. Simple independent Bernoulli sample; plug-in standard error, with no confidence interval or design-effect adjustment.
Tool result
Run, review and save
Select Calculate. Review the calculated result, then copy it or download the result text.
Review the details
Examples and uses for Standard Error Of Proportion Calculator
Check the supplied example
The starting example produces 0.05. Estimate a proportion standard error as √(p(1−p)/n).
Use your own inputs
Read the labels for sample proportion and independent sample size. Simple independent Bernoulli sample; plug-in standard error, with no confidence interval or design-effect adjustment.
Record a reviewed result
Copy the calculated result into your notes. Keep the formula and assumptions with it if someone else needs to reproduce the calculation.
How to read the result
Read the units and assumptions with the output.
Estimate a proportion standard error as √(p(1−p)/n).
Simple independent Bernoulli sample; plug-in standard error, with no confidence interval or design-effect adjustment. Inputs and results use floating-point numbers and may be rounded. Results show up to 12 significant digits.
Supported input and limits
Check the stated scope before you run it.
Simple independent Bernoulli sample; plug-in standard error, with no confidence interval or design-effect adjustment. Inputs and results use floating-point numbers and may be rounded. Results show up to 12 significant digits.
The input stays in this browser. Copy result and Download save the same displayed text.
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Open toolStandard Error Of Proportion Calculator: common questions
Answers about using Standard Error Of Proportion Calculator and understanding its results.
What inputs and assumptions apply?
Simple independent Bernoulli sample; plug-in standard error, with no confidence interval or design-effect adjustment. Inputs and results use floating-point numbers and may be rounded. Results show up to 12 significant digits.
How can I save the result?
Copy result copies the displayed text. Download saves the same text as a TXT file. Processing runs in this browser without an account.
Calculate with your input
Check the calculated result, then copy or download it.