Percentile Calculator
Calculate the percentile rank of a value within a dataset.
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Percentile Rank
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Values Below Target
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Dataset Mean
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Dataset Median
Recent Calculations
What Is Percentile?
A percentile indicates the value below which a given percentage of observations fall. The 90th percentile means 90% of values are below that point.
Formula
Percentile Rank = (Number of values below x / Total values) × 100Example
If 75 is the target and the dataset is {45, 55, 65, 75, 85}, then 3 out of 5 values are below 75, giving a 60th percentile rank.
Frequently Asked Questions
What's the difference between percentile and percentage?
Percentage is a fraction of 100. Percentile is a ranking — the 90th percentile means you scored higher than 90% of people.
How are percentiles used?
Standardized tests (SAT scores), growth charts (baby height/weight), and performance benchmarks all use percentiles.