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:

0.01

0.05

0.10

One-tailed or two-tailed hypothesis?:

One-tailed

Two-tailed

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

Additional Z Statistic Calculators

If you're interested in using the z statistic for hypothesis testing and the like, then we have a number of other calculators that might help you.

Z-Test Calculator for a Single Sample

Z-Test Calculator for 2 Population Proportions

Z Score Calculator for a Single Raw Value (Includes z from p)