P Value from Z Score Calculator

This is very easy: just stick your Z score in the box marked Z score, select your significance level and whether you're testing a one or two-tailed hypothesis (if you're not sure, go with the defaults), then press the button!

If you need to derive a Z score from raw data, you can find a Z test calculator here.

Z score:

Significance Level:


One-tailed or two-tailed hypothesis?:

Enter your z score value, and then press the button.

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