Math

Z-Score Percentile Calculator

Convert values to z-scores and estimate normal-distribution percentile.

Z-Score Percentile Calculator converts between raw values, z-scores, and normal percentiles. It is useful for exam analysis, benchmarking, and distribution-based interpretation. The tool helps map position within a normal curve quickly. Use it to contextualize measurements relative to mean and spread.

Z-Score Inputs

Result

z-score: 0.700000

Percentile: 75.8036%

How to use this tool

Enter mean, standard deviation, and either raw value or z-score.
Run conversion to compute z-score/percentile output.
Interpret percentile in the context of your dataset or benchmark.

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