Free Online Calculators
Convert grades using the square root grading curve method
Enter a grade between 0 and 100
SRG = √(G) × 10SRG: Square Root Curve Grade
G: Original Grade Percentage
√: Square Root
Enter a grade and click Calculate to see the curved grade
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Step-by-step guide to get accurate results
The square root curve is a grading method designed to adjust student scores on the same scale. It is often used when an exam or assignment turns out to be more challenging than expected, helping to fairly increase the grades of students.
A square root curve calculator simplifies this process by instantly converting raw percentage grades into adjusted square root curve grades, making it easier for teachers and students to understand performance improvements.

The calculator also provides step-by-step calculations for clarity.
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