Calculate your test grade percentage and determine what you need on the final exam. This tool processes all data locally in your browser. No information is ever sent to any server. Completely free, no registration required.
A Grade Calculator determines what score you need on a final exam or remaining assignments to achieve your target course grade. It's the tool of choice for students in the final weeks of a semester trying to figure out: 'Do I need to ace the final to get a B?' or 'Can I skip this homework and still pass?' The calculator works backward from your desired final grade, accounting for each assignment category's weight (homework 20%, midterm 30%, final 50%, etc.), showing you exactly the minimum score needed.
Enter each graded category (homework, quizzes, midterm, final, participation, etc.) with its weight percentage and your current average in that category. For categories not yet completed (like the final exam), leave blank and the calculator solves for the needed score. Result: Needed Final Score = (Target Grade − Sum of (Completed Weight% × Score)) ÷ Remaining Weight%. If the needed score exceeds 100%, the target grade is mathematically impossible. If needed score < 0%, you've already achieved the target.
Final Grade = Σ (Category Weight% × Category Score%)\n\nNeeded Score = (Target% − Σ(Completed Weights × Scores)) ÷ Remaining Weight%\n\nExample:\nHomework (20%, avg 85%) = 17 points earned\nMidterm (30%, score 78%) = 23.4 points earned\nTarget: 80% | Remaining weight: 50% (Final)\nNeeded Final Score = (80 − 40.4) ÷ 50% = 79.2%\n\nImpossible Target: Needed Score > 100%\nAlready Achieved: Needed Score ≤ 0%
Mathematically, your target grade is impossible with the remaining points available. Options: (1) lower your target, (2) ask about extra credit, (3) negotiate with the professor, (4) retake the course, (5) accept the grade you can achieve.
Calculate the 'leverage' of each final: (Weight% × points your grade could change). Study the course where a struggling effort could move your grade from C to B (high leverage), not where you have a locked-in A (low leverage) or hopeless F.
Free online Grade Calculator — no signup, 100% client-side processing. All data stays in your browser.