Exam Percentile Calculator
Your percentile from mean and standard deviation.
Enter your values
ⓘ Live results
Results
- Percentile
- 86.7%
- Z-score
- 1.11
- Above / below mean
- Above the mean
- Beats
- 87 of every 100 candidates
Quick answer
A percentile shows the share of test takers who scored below you.
z = (score − mean) ÷ SD
How to use the Exam Percentile Calculator
- 1Enter your raw score.
- 2Enter the published mean and standard deviation.
- 3Read your percentile.
Worked example
Using the values the calculator loads with:
Inputs
- Your score78
- Class mean68
- Standard deviation9
Results
- Percentile86.7%
- Z-score1.11
- Above / below meanAbove the mean
- Beats87 of every 100 candidates
Frequently asked questions
Is percentile the same as percentage?
No — percentile compares you to others, percentage measures correctness.
What if scores aren't normal?
The estimate loses accuracy for very skewed distributions.
About this calculator
- Built and reviewed by James Whitfield · How we build and test calculators
- Report an error
Results are estimates for general information. For medical, legal, structural or financial decisions, confirm with a qualified professional.