Critical Value Calculator

This quick calculator allows you to calculate a critical valus for the z, t, chi-square, f and r distributions.

Critical Value for T

Select your significance level (1-tailed), input your degrees of freedom, and then hit "Calculate for T".

Significance Level:	0.01 0.025 0.05 0.10
Degrees of Freedom:

No calculation peformed yet.

Critical Value for Z

Select your significance level (1-tailed), and then hit "Calculate for Z".

Significance Level:

0.01 0.025 0.05 0.10

No calculation peformed yet.

Critical Value for Chi-Square

Select your significance level, input your degrees of freedom, and then hit "Calculate for Chi-Square".

Significance Level:	0.01 0.025 0.05 0.10
Degrees of Freedom:

No calculation peformed yet.

Critical Value for F

Select your significance level (1-tailed), input your degrees of freedom for both numerator and denominator, and then hit "Calculate for F".

Significance Level:	0.01 0.025 0.05 0.10
Degrees of Freedom (Numerator):
Degrees of Freedom (Denominator):

No calculation peformed yet.

Critical Value for R

Select your significance level (1-tailed), input your degrees of freedom (n - 2), and hit "Calculate for R".

Significance Level:	0.01 0.025 0.05 0.10
Degrees of Freedom:

No calculation peformed yet.