How to use: Percentile Calculator
Percentile Calculator is a free online Math & Statistics tool that compute any percentile of a data set with linear interpolation, plus all deciles instantly in your browser. Paste your data, adjust the options and get the result in real time — no installation, no sign-up, and nothing is ever uploaded to a server.
Use Percentile Calculator now →
Description
Compute any percentile of a data set with linear interpolation, plus all deciles.
- Math & Statistics
- Because everything is computed client-side, Percentile Calculator is safe to use with sensitive data such as API keys, tokens or private logs.
How to use
Using Percentile Calculator takes three steps:
- Paste your data into the input box (or load the example).
- Configure the options to match your target format or scenario.
- Copy, download or inspect the output — it updates live as you type.
Run
Examples
Set the percentile to 95 to see the linear-interpolation result plus every decile.
Input
4, 7, 9, 11, 14, 17, 21, 26, 33, 41, 52, 68
Output
P95 = 59.19999999999999 n = 12, rank position = 10.45 (0-based) 11 of 12 values ( 91.7% ) are ≤ P95. Linear interpolation (the method used by Excel PERCENTILE.INC and NumPy default). All deciles: P 0 4 P 10 7.2 P 20 9.4 P 30 11.899999999999999 P 40 15.200000000000001 P 50 19 P 60 24 P 70 30.900000000000002 P 80 39.400000000000006 P 90 50.900000000000006 P100 68
This output was produced by actually running the tool, not written by hand.
Use cases
Common situations where Percentile Calculator helps:
- Compute any percentile of a data set with linear interpolation, plus all deciles.
Parameters
This tool has no options — it works on the input alone.
FAQ
What is Percentile Calculator?
Percentile Calculator compute any percentile of a data set with linear interpolation, plus all deciles. It runs entirely in your browser, so your data stays private.
Is Percentile Calculator free to use?
Yes. Percentile Calculator is free, unlimited and works without registration or installation.
Does my data get uploaded?
No. All processing happens locally in your browser; nothing is sent to any server.
Good to know
- Everything runs client-side, so extremely large inputs are limited by your browser tab’s memory rather than by a server upload limit.