Square Root Curve Calculator
Curve a single grade or a full list with square root curving.
| Raw | Curved | Points Added |
|---|
Square Root Curve Formula
Curved Grade = 10 x sqrt(Raw Grade)
This gives larger boosts to lower scores and smaller boosts near 100%.
Quick Reference
| Raw Grade | Curved Grade | Points Added |
|---|---|---|
| 25% | 50.00% | +25.00 |
| 36% | 60.00% | +24.00 |
| 49% | 70.00% | +21.00 |
| 64% | 80.00% | +16.00 |
| 81% | 90.00% | +9.00 |
| 100% | 100.00% | +0.00 |
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Frequently Asked Questions
It boosts low scores more than high scores while keeping order of performance.
Use curved = 10 x sqrt(raw).
Use raw = (curved / 10)^2.
Useful when assessments were harder than expected and you want tapered adjustment.
No. This is non-linear, unlike a linear point bonus.
Yes, use Batch Grades mode and paste all raw percentages.
Yes, always align with course and department grading policy.
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