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Percentile Calculator

Find a percentile value from a data list using linear interpolation or nearest-rank method.

Clear formulas
Educational steps
Detail breakdown

Percentile with method choice documented in details.

Limitation: Educational order statistics.

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How to Use the Percentile Calculator

Percentile with method choice documented in details.

1

Open the Percentile calculator and read field labels.

Match the mode

Educational order statistics.

What It Calculates

Percentile with method choice documented in details.

Worked Examples

90th linear

Inputs

numbersText:1,2,3,4,5,6,7,8,9,10
percentile:90
method:linear

Result

9.1

Interpolated high tail.

Median 50th

Inputs

numbersText:1,2,3,4,5
percentile:50
method:linear

Result

3

Middle value.

Nearest rank 90th

Inputs

numbersText:1,2,3,4,5,6,7,8,9,10
percentile:90
method:nearest_rank

Result

9

Ceiling rank method.

Check your mode

Educational order statistics.

Frequently Asked Questions

Yes. Results keep the precision shown on the page unless the engine requires integers.

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Formulas

Standard definitions with assumptions noted below.

Formula

position ​=​ ​(​P​/​100​)​​(​n−1​)​

Scientific Background

Standard statistics definitions with assumptions stated on-page. Educational only—not professional certification.

Sources & review

Percentile Calculator documents the references behind its formulas and assumptions. Always treat results as educational estimates, not personalized professional advice.

Last reviewed

July 22, 2026

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