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55th Percentile Calculator
Quick answer
If values are 12, 15, 15, 18, 22, 27, 31, the 55th percentile is 19.2.
55th percentile: Position = 55 ÷ 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
55th percentile
19.2
The value below which this percentage of the data set falls — e.g. the 90th percentile is higher than 90% of the values.
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About the 55th Percentile Calculator
The 55th percentile is the value below which about 55% 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 55th percentile is 19.2.
55th percentile
Position = 55 ÷ 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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How to Use the 55th Percentile Calculator
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What is 55th Percentile?
This statistics & probability tool works out your 55th percentile instantly, so you don't have to do the math by hand.
“One quick calculation, so you always know your 55th percentile before you decide.”
What Affects Your 55th percentile
Your 55th percentile depends on the values below.
Values
Changing your values changes your 55th percentile.
Example Result
Here's what you can expect from a 55th percentile calculation:
- 55th percentile
- 19.2
Frequently Asked Questions
- What does the 55th percentile mean?
- It is the value that 55% of the data falls below. In the starting data, the 55th percentile is 19.2, so roughly 55% of the values are lower than that.
- How to calculate 55th percentile?
- Fill in values in the 55th Percentile Calculator above and your 55th percentile is calculated instantly. Change any value to see how the result responds.
- What does an example 55th percentile calculation look like?
- If values are 12, 15, 15, 18, 22, 27, 31, the 55th percentile is 19.2.
- 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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