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P Value Calculator

Use this calculator to compute a P value from a Z, t, F, r, or chi-square value that you obtain from a program or publication.

P from z

Z

P from t

t

DF

P from F

F

DFn

DFd

P from r

r

DF

P from chi 2

Chi square

DF

Analyze, graph and present your scientific work easily with GraphPad Prism. No coding required.