Critical Z Value Calculator

This calculator determines the right-tailed and two-tailed Z critical values from the given significance level.

Z Critical Value

How to Use the Critical Z Value Calculator?

  1. First, input the significance level. Make sure its value should be between 0 and 1.
  2. Press the 'Calculate' button.
  3. As a result, the tool shows the right-tailed and two-tailed z critical values.