Statistics Tool
Percentile Calculator
Find the P-th percentile of a dataset.
Count: 8 items
90th Percentile
33.00
12, 15, 18, 20, 22, 25, 30, 40
Σ The Formula
X = lower + (percentile % * (N-1) - lower) * (upper - lower)
Real World Examples
Test Scores
90th percentile means you scored better than 90% of students.
Growth
Height percentiles for children.
# About This Calculator
A Percentile indicates the value below which a given percentage of observations in a group of observations falls.
This calculator uses standard linear interpolation between closest ranks, which is the most common method (Excel PERCENTILE.INC).
Frequently Asked Questions
Is Percentile Calculator free to use?+
Yes, Percentile Calculator on Matheric is completely free to use. We believe in accessible education and utility for everyone.
How accurate is Percentile Calculator?+
We use standard mathematical formulas and high-precision computing algorithms to ensure results for Percentile Calculator are accurate for academic and professional use.
Can I use Percentile Calculator on my phone?+
Yes! Percentile Calculator is fully responsive and optimized for all devices, including smartphones, tablets, and desktops.
Do you save my data?+
No. We prioritize your privacy. All calculations are performed in your browser or temporarily processed, and we do not store your personal input data.
How do I report a bug?+
If you notice any issues with Percentile Calculator or have suggestions for improvement, please contact us via the link in the footer. We value your feedback!
Can I request a new feature?+
Absolutely. We are constantly expanding our toolset. Feel free to reach out with your requests, and we might build it next!
About
A Percentile indicates the value below which a given percentage of observations in a group of observations falls.
This calculator uses standard linear interpolation between closest ranks, which is the most common method (Excel PERCENTILE.INC).