Confidence Interval Calculator Confidence Interval Calculator Instant Calculation iSolves margins of errors and updates the bell curve distribution live. Confidence Evaluation Mode Sample Mean (μ) iCalculates the interval for a continuous population mean based on standard numerical sample metrics data. Sample Proportion (p) iCalculates the interval for a population percentage or fractional success ratio rate. Sample Size (n) iTotal number of data observations in the test subset sample. Confidence Level iProbability that the generated interval bracket wraps the true parameter. 95% Confidence (z*=1.96) 99% Confidence (z*=2.576) 90% Confidence (z*=1.645) 80% Confidence (z*=1.282) Enter the data to see the result accordingly. Compute Interval Bounds Instant calculation is ON. Modifying descriptive statistics estimates recalculates parameters live. For instant results, turn on instant calculation above. Lower Upper 95% Cl × Share Result Copy WhatsApp Facebook Messenger 🖨️ Print 🔗 Share Link 💾 Save Result 💻 Embed Tool Embed this tool on your site ✅ Code copied! Copy Code More in statistics Z-score Calculator Number Sequence Calculator
