Sample Size Calculator
Calculate required sample size for surveys from population, confidence level, and margin of error.
Required Sample
370
Infinite Pop.
385
Parameters
| Sample Size (finite pop.) | 370 |
| Sample Size (infinite pop.) | 385 |
| Z-value | 1.960 |
| Margin of Error | 5.0% |
| Proportion | 50.0% |
Use the Sample Size Calculator above to calculate your results. Enter your values and see instant results — all calculations run in your browser.
Disclaimer: This calculator is for informational purposes only and does not constitute tax, financial, or legal advice. Results are estimates based on the information you provide and current rates. Always consult a qualified tax professional or financial advisor for advice specific to your situation.
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