Percentile In Class Calculator

Work out percentile in class instantly with clear inputs, formula shown and shareable results.

About Percentile In Class Calculator

The percentile is the proportion of the class ranked below you, so rank 7 of 40 places 33 students below and puts you in the top 17.5%. Percentile is comparable across different class sizes in a way that raw rank is not: 7th of 40 and 17th of 100 are the same standing.

Formulas

Percentile

percentile = (class size - rank) / class size x 100

Top share

top % = rank / class size x 100

Worked example

With the default values below, Percentile In Class Calculator returns Percentile of 82.50%. Change any input above and every figure here is recalculated in your browser.

Inputs used

Rank in class (1 is top)minimum 1: 7
Number of studentsminimum 1: 40

Results

Percentile: 82.50%
Students ranked below: 33
Students ranked above: 6
In the top: 17.50%

Step by step

1Values used
2Percentile
3Top share
4Percentile= 82.50
5Students ranked below= 33
6Students ranked above= 6
7In the top= 17.50

Assumptions and limits

The result is derived only from the 2 inputs listed above. Anything not among them is not part of the calculation.
In particular, this calculator does not take inflation, tax, fees or charges or compounding frequency into account.
Figures are rounded for display to 2 decimal places, so totals built from several rounded parts can differ slightly from the unrounded arithmetic.

How these calculators are built and tested is described on the Methodology page. If a figure looks wrong, please report it.

Frequently Asked Questions

How is the Percentile In Class figure worked out?

percentile = (class size - rank) / class size x 100. The percentile is the proportion of the class ranked below you, so rank 7 of 40 places 33 students below and puts you in the top 17.5%.

Why does this matter?

Percentile is comparable across different class sizes in a way that raw rank is not: 7th of 40 and 17th of 100 are the same standing.

What do I need to enter?

Enter rank in class (1 is top), number of students. The defaults shown are a realistic worked example — swap in your own figures to get a result you can use.