Critical Values Calculator
This simple calculator allows you to calculate critical values for the z, t, chisquare, f and r distributions.
Critical Value for T
Select your significance level (1tailed), input your degrees of freedom, and then hit "Calculate for T".
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Critical Value for Z
Select your significance level (1tailed), and then hit "Calculate for Z".
Significance Level:


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Critical Value for ChiSquare
Select your significance level, input your degrees of freedom, and then hit "Calculate for ChiSquare".
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Critical Value for F
Select your significance level (1tailed), input your degrees of freedom for both numerator and denominator, and then hit "Calculate for F".
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Critical Value for R
Select your significance level (1tailed), input your degrees of freedom (n  2), and hit "Calculate for R".
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