Grade Calculator
Instantly find out what grade you need on your final exam, calculate your current class grade, compute weighted averages, and convert percentages to letter grades — all with step-by-step solutions.
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Select a calculation type, enter your values, and click Calculate to see instant results with a step-by-step solution.
Complete Grade Calculator Guide
How to Calculate Your Grade: Understanding Grades & Percentages
Your grade in a class is determined by how many points you earn out of the total points possible, often adjusted by category weights. Understanding how grades are calculated helps you plan your study time, set realistic goals, and know exactly what you need on your final exam to reach your target grade.
Use our grade calculator above to find out what score you need on your final exam, calculate your current class grade from completed assignments, compute a weighted grade average, or convert any percentage to a letter grade. All results include detailed step-by-step solutions.
5 Calculation Modes: What Grade Do You Need?
What Grade Do I Need on My Final Exam?
Enter your current class grade, your target grade, and the weight of your final exam. The calculator tells you exactly what score you need. If your target is not achievable, it shows the maximum possible grade.
Calculate Current Class Grade from Assignments
Add all your completed assignments with points earned and points possible. Supports both weighted and unweighted calculations. See your overall grade percentage and letter grade instantly.
Convert Points to Grade Percentage
Enter points earned and total points possible to calculate the percentage score. Uses the formula: (Points Earned ÷ Points Possible) × 100.
Calculate Weighted Grade Average
Enter grades and weights for each category (homework, tests, projects, etc.) to compute your weighted average. Formula: Σ(Grade × Weight) ÷ Total Weight.
Convert Percentage to Letter Grade
Enter any percentage (0-100%) to instantly see the corresponding letter grade using standard A+ through F thresholds.
Grade Formulas You Need to Know
Final Grade Needed:
Final = (Target − Current × (1 − Final Weight)) ÷ Final Weight
Current Grade (Unweighted):
Grade = (Points Earned ÷ Points Possible) × 100
Weighted Average:
Weighted = Σ(Grade × Weight) ÷ Total Weight
Letter Grade Thresholds: Percentage to Letter Grade
| Letter | Percentage | Letter | Percentage |
|---|---|---|---|
| A+ | 97-100% | C+ | 77-79% |
| A | 93-96% | C | 73-76% |
| A- | 90-92% | C- | 70-72% |
| B+ | 87-89% | D+ | 67-69% |
| B | 83-86% | D | 63-66% |
| B- | 80-82% | D- | 60-62% |
| F | 0-59% | ||
Tips for Improving Your Grades
- Use this calculator at the start of finals week to set realistic study goals based on what grade you actually need.
- Higher-weight assignments (tests, finals) have the biggest impact on your grade. Prioritize studying for those.
- If the final grade needed exceeds 100%, your target may not be achievable this semester. Adjust your goal accordingly.
- Track your grades throughout the semester using the current grade calculator to catch issues early.
- Letter grade thresholds may vary by institution. Always confirm with your syllabus.