The critical value calculator helps you find the one- and two-tailed critical values for the most widespread statistical tests.

Calculates critical values for z, t, chi-square, f and r. Allows you to set your own significance level.

Use this Critical Value Calculator to find the critical values for common statistical tests. This calculator supports Z, t, chi-square (χ²), and F- distributions.

Calculates critical values and draws distribution chart for Z, t, F and chi-squared distributions. Two-tails, left tail or right tail. Step-by-step calculation

Aug 6, 2025 · Use this free Critical Value Calculator to find one-tailed and two-tailed values for Z, T, F, Chi-square, and correlation tests. Fast and easy to use

Use this best critical value calculator to determine the critical value for the z, t, chi-square, f, and r distributions. Unless you know how to identify critical value.

Use this calculator for critical values to easily convert a significance level to its corresponding Z value, T score, F-score, or Chi-square value. Outputs the critical region as well.

This calculator helps you find the critical values for various distributions (Z, t, Chi-Square, and F) based on your chosen significance level (alpha) and degrees of freedom.

Critical Value Calculator Find critical values for Z, T, Chi-Square, and F distributions

Calculate critical values for statistical hypothesis testing with this Critical Value Calculator. Input confidence level, degrees of freedom, and distribution type for accurate results in normal, t, chi …