Marks Moderation Calculator
Paste student marks, pick a moderation method, and compare raw marks with moderated marks, including new averages and pass rates.
Enter marks
Moderation method
Statistics
Results will appear here after you calculate.
Students
—
Min / Max
— / —
Average (raw → moderated)
— → —
Median (raw → moderated)
— → —
Pass count (raw → moderated)
— → —
Pass rate (raw → moderated)
— → —
Before and after comparison
The comparison table will appear here after you calculate.
| # | Raw mark | Moderated mark | Change |
|---|
How to use
- Paste marks into the box, one per line or separated by commas.
- Enter the total marks and the pass percentage.
- Choose a moderation method and click Calculate Moderation.
- Review the statistics and the before/after table.
- Click Copy Moderated Marks to paste them into a spreadsheet.
Moderated marks are rounded to one decimal place and never exceed the total marks. Nothing is uploaded anywhere — all calculation happens in your browser.
Tips
- The linear shift keeps the shape of the result the same while moving the top to full marks.
- The square-root curve helps low marks more than high marks.
- A custom factor of 1.0 leaves marks unchanged — useful as a sanity check.