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Grade Curve Calculator

Curve test grades and exam scores using common curving methods (Flat Scale, Linear, Root, or Bell Curve).

Grade Curve Details

Curving Method

Original Exam Score (%)

Flat Point Adjustment

New Curved Score

Original Score75%

Score Increase+0 points

Mathematical Model FormulaRoot Curve: Curved Grade = Sqrt(Original Grade) * 10. Flat Curve: Curved Grade = Original Grade + Flat Amount.

Curving grades for teachers and students using standard curving algorithms.

Calculate your current class grade based on weighted categories (exams, quizzes, homework, participation).

Calculate your high school or college grade point average (GPA). Supports weighted grades (AP/IB/Honors) and cumulative semesters.