The Z-Score Percentile table is a great resource for converting percentile ranks into Z-scores within a normal distribution framework. It’s a fundamental component of statistical analysis, streamlining the process of assessing data’s relative position within a normal distribution.

Z-score to Percentile Table (normal distribution)
Figure 1: Percentiles to Z-Scores Graphical Representation

If you don’t want to use the chart above, try our Percentile to Z-score calculator to get an instant answer, or scroll down to this page for the calculators.

Percentile to Z-Score Conversion Chart (Text Format)

The table below represents a detailed conversion chart that maps Percentiles s to their corresponding Z-scores. It is structured to provide quick access to the Z-score based on the percentile input. This tabular format is especially beneficial for those who prefer a text-based reference (to style it or copy paste) or need to look up multiple values efficiently.

PercentileZ-Score
1-2.3263
2-2.0537
3-1.8808
4-1.7507
5-1.6449
6-1.5548
7-1.4758
8-1.4051
9-1.3408
10-1.2816
11-1.2265
12-1.1750
13-1.1264
14-1.0803
15-1.0364
16-0.9945
17-0.9542
18-0.9154
19-0.8779
20-0.8416
21-0.8064
22-0.7722
23-0.7388
24-0.7063
25-0.6745
26-0.6433
27-0.6128
28-0.5828
29-0.5534
30-0.5244
31-0.4959
32-0.4677
33-0.4399
34-0.4125
35-0.3853
36-0.3585
37-0.3319
38-0.3055
39-0.2793
40-0.2533
41-0.2275
42-0.2019
43-0.1764
44-0.1510
45-0.1257
46-0.1004
47-0.0753
48-0.0502
49-0.0251
500.0000
510.0251
520.0502
530.0753
540.1004
550.1257
560.1510
570.1764
580.2019
590.2275
600.2533
610.2793
620.3055
630.3319
640.3585
650.3853
660.4125
670.4399
680.4677
690.4959
700.5244
710.5534
720.5828
730.6128
740.6433
750.6745
760.7063
770.7388
780.7722
790.8064
800.8416
810.8779
820.9154
830.9542
840.9945
851.0364
861.0803
871.1264
881.1750
891.2265
901.2816
911.3408
921.4051
931.4758
941.5548
951.6449
961.7507
971.8808
982.0537
992.3263
Table 1 : Percentile Z-score for normal distribution

Percentile to Z-Score: Calculator

Can you determine a Z-score if you know the percentile? Absolutely. With our Percentile to Z-Score Calculator, translating percentile ranks into Z-scores becomes straightforward.

Z-score to Percentile: Calculator

Can you calculate the percentile based on a known Z-score? Absolutely. With our Z-Score to Percentile Calculator, translating Z-scores into percentiles is both fast and easy.