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