Z-Score Calculator

Convert between raw scores and z-scores, and find probabilities.

z-score
0.7
Raw score (X)
72
P(X ≤ x)
0.75804
P(X > x)
0.24196
P within |z|
0.51607
Left percentile
75.80%
Right %
24.20%
Formula
z = (x−μ)/σ