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Standard Score Calculator

Calculate standard scores (deviation values) from test scores. View percentile rankings and batch calculations.

Standard Score Reference

Standard scoreTop percentileRanking estimate
7097.7%Top ~2.3%
6593.3%Top ~6.7%
6084.1%Top ~15.9%
5569.1%Top ~30.9%
5050.0%Average (top 50%)
4530.9%Top ~69.1%
4015.9%Top ~84.1%
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How to Use

Step 1

Enter Values

Enter Values

Enter score, mean, and SD

Step 2

Calculate

Calculate

Deviation score is calculated automatically

Step 3

Check Results

Check Results

Check deviation score and ranking estimate

Features

Instant Calculation

Calculate deviation score in real-time

Rank Estimate

Show percentile ranking

Batch Calculation

Calculate from a list of scores

FAQ

A score normalized to mean=50, SD=10.