Bell Curve Grading Calculator
Assign letter grades based on a bell curve (normal distribution). Set mean, standard deviation, and class size to distribute grades fairly.
Grade percentage, weighted grade, and grading curve calculators. Browse our free grades tools below — no sign-up required.
Assign letter grades based on a bell curve (normal distribution). Set mean, standard deviation, and class size to distribute grades fairly.
Find out what score you need on your final exam to reach your target grade. Enter your current grade, exam weight, and desired grade.
Calculate your final course grade by combining your current grade with your final exam score. See how exam performance impacts your overall grade.
Calculate the mean, median, and mode of your grades. Enter multiple scores to see statistical summaries and identify your strongest performance patterns.
Calculate curved grades using flat curve, percentage boost, or square-root methods. See how curving affects every student's score and letter grade.
Calculate your grade percentage by dividing points earned by total points. Convert raw scores to percentages and letter grades.
Calculate grade deductions for late assignments. See the penalized score based on days late, penalty rate, and original grade.
Convert letter grades to GPA points and percentages. Supports A+ through F with plus/minus modifiers on the standard 4.0 scale.
Convert a percentage score to a letter grade using standard or custom grading scales. Review the matching letter grade, GPA points, and grade description.
Calculate your simple average grade across all assignments. Add scores, get the mean, median, and mode for a complete picture of your performance.
Calculate your weighted grade by combining category grades with their weights. Perfect for classes with homework, exams, and project weights.