Biostatistics Calculators — Biology
Statistics for biology and clinical data: chi-square, confidence intervals, odds ratios, Pearson correlation, p-value from a z-score, and power and sample size. Run power and sample size at the design stage, since no test can rescue an underpowered study afterwards.
All Biostatistics Calculators
Calculate chi square with inputs, formulas, and instant results.
Calculate confidence interval with inputs, formulas, and instant results.
Calculate odds ratio with inputs, formulas, and instant results.
Calculate pvalue from zcalculator with inputs, formulas, and instant results.
Calculate pearson correlation with inputs, formulas, and instant results.
Calculate power sample size with inputs, formulas, and instant results.
Calculate regression coefficient with inputs, formulas, and instant results.
Calculate relative risk with inputs, formulas, and instant results.
Calculate sample size with inputs, formulas, and instant results.
Calculate spearman correlation with inputs, formulas, and instant results.
Calculate standard error with inputs, formulas, and instant results.
Calculate t test with inputs, formulas, and instant results.
Calculate confidence intervals for means and proportions with visualization
About Biostatistics Calculators
Statistics for biology and clinical data: chi-square, confidence intervals, odds ratios, Pearson correlation, p-value from a z-score, and power and sample size. Run power and sample size at the design stage, since no test can rescue an underpowered study afterwards.
Whether you need to solve a one-time problem or verify your own calculations, these free tools cover the most common biostatistics scenarios. All results are computed in your browser — no data is sent to any server.
What You Can Calculate
This section includes 13 tools: Chi Square Calculator, Confidence Interval Calculator, Odds Ratio Calculator, P-Value from Z Calculator, Pearson Correlation Coefficient Calculator, Power Sample Size Calculator, Regression Coefficient Calculator, Relative Risk Calculator, and 5 more. Each calculator is free to use with no signup required.