P-Value Calculator

Calculate statistical significance with our comprehensive P-value calculator. Supports Z-test, t-test, F-test, correlation coefficient, and chi-square tests with detailed explanations.

Z-Test

P-value from Z-statistic

Z-statistic

t-Test

P-value from t-statistic

t-statistic

Degrees of Freedom

F-Test

P-value from F-statistic

F-statistic

DF Numerator

DF Denominator

Correlation Test

P-value from correlation coefficient

Correlation Coefficient (r)

Degrees of Freedom (n-2)

Chi-Square Test

P-value from chi-square statistic

Chi-Square Statistic (χ²)

Degrees of Freedom