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10th Percentile Calculator

Statistics & Probability · Percentiles

Quick answer

If values are 12, 15, 15, 18, 22, 27, 31, the 10th percentile is 13.8.

10th percentile: Position = 10 ÷ 100 × (n − 1) in the sorted list; If the position falls between two values, interpolate between them.

Enter your values

  • 12
  • 15
  • 15
  • 18
  • 22
  • 27
  • 31
7 values

10th percentile

13.8

The value below which this percentage of the data set falls — e.g. the 90th percentile is higher than 90% of the values.

You enter Values 12, 15, 15, 18, 22, 27 … (7 values). You get 10th percentile 13.8.

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About the 10th Percentile Calculator

The 10th percentile is the value below which about 10% of the numbers in a data set fall. Enter your values and this calculator finds it by linear interpolation between the two closest ranks, the same method as Excel's PERCENTILE.INC.

For the starting values (12, 15, 15, 18, 22, 27, 31), the 10th percentile is 13.8.

10th percentile

Position = 10 ÷ 100 × (n − 1) in the sorted list

If the position falls between two values, interpolate between them

n is the number of values. The first value in the sorted list is at position 0.

Things to keep in mind

  • You do not need to sort the values; the calculator does it.
  • A percentile value is a number from your data's scale; a percentile rank tells you where a given value sits. They are different questions.
  • Different software uses slightly different percentile methods, so small differences from other tools are normal.
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A quick guide to 10th Percentile

Use it to get an accurate 10th percentile in seconds — free, with no sign-up.

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    See your 10th percentile the moment you enter your numbers.

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How to Use the 10th Percentile Calculator

1

Enter Values

Provide your values.

2

View Your Results

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What is 10th Percentile?

This statistics & probability tool works out your 10th percentile instantly, so you don't have to do the math by hand.

“One quick calculation, so you always know your 10th percentile before you decide.”

What Affects Your 10th percentile

Your 10th percentile depends on the values below.

  • Values

    Changing your values changes your 10th percentile.

Example Result

Here's what you can expect from a 10th percentile calculation:

10th percentile
13.8

Frequently Asked Questions

What does the 10th percentile mean?
It is the value that 10% of the data falls below. In the starting data, the 10th percentile is 13.8, so roughly 10% of the values are lower than that.
How to calculate 10th percentile?
Fill in values in the 10th Percentile Calculator above and your 10th percentile is calculated instantly. Change any value to see how the result responds.
What does an example 10th percentile calculation look like?
If values are 12, 15, 15, 18, 22, 27, 31, the 10th percentile is 13.8.
Is this calculator free to use?
Yes — every calculator on this site is completely free, with no sign-up or account required.
How accurate is this calculator?
It uses the standard formula and calculates on our server for every request, so results are precise for the values you enter.
Is my data saved anywhere?
No. Nothing you enter is stored or sent anywhere unless you choose to share a link with your values included.
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10th Percentile

Enter your values

  • 12
  • 15
  • 15
  • 18
  • 22
  • 27
  • 31
7 values

10th percentile

13.8

The value below which this percentage of the data set falls — e.g. the 90th percentile is higher than 90% of the values.

You enter Values 12, 15, 15, 18, 22, 27 … (7 values). You get 10th percentile 13.8.

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