Rank

Rank and Top Percent Calculator

Calculate a top percentile from a rank or estimate a score rank from the mean, standard deviation, and student count.

What top % is my rank?

Calculate top percentile from total participants and your rank.

Enter values to calculate. My rank ÷ total participants × 100

Estimated rank from score

Estimate rank from raw score, subject average, standard deviation, and student count.

Enter values to calculate. z = (raw score - average) ÷ standard deviation

When to use this calculator

Calculate a top percentile from a rank or estimate a score rank from the mean, standard deviation, and student count.

Worked examples

Top percentage

18th out of 250 is 18 ÷ 250 × 100 = top 7.2%.

Score estimate

The score estimator converts a z-score into an approximate upper-tail rank.

Frequently asked questions

Is a lower top percentage better?

Yes. Top 5% is a higher relative position than top 20%.

Does the score estimate handle ties?

No. Ties and discrete score distributions can change the official rank.

Must scores be normally distributed?

The estimate assumes a normal distribution, so skewed distributions can produce different results.

How to interpret the result

Use official ranking rules when results affect admission or certification.

The score-based rank is an estimate, not an official transcript value.