Final Grade Calculator

A final grade calculator tells you the exact score you need on your final exam to finish a course with a specific overall grade. Instead of computing what you already have, it works in reverse: given your current average, your target course grade, and how heavily the final is weighted, it solves for the minimum score you must achieve on that last exam.

This is the most useful number to know in the final two weeks of a semester. It tells you whether you can coast, whether you need to lock in study time, or whether the grade you want has already become unreachable so you can adjust expectations or seek extra credit before grades close.

You currently have an 87% in the course. The final is worth 25% of your grade, and you want to finish with a 90% (A-).

• Current contribution: 87 × (1 − 0.25) = 65.25
• Points still needed: 90 − 65.25 = 24.75
• Required final score: 24.75 ÷ 0.25 = 99%

That A- is technically possible but very tight. If you only need a B (83%), the math becomes (83 − 65.25) ÷ 0.25 = 71% — a much more comfortable target that lets you focus on locking in solid fundamentals.

• Two weeks before finals — figure out exactly how much study time the grade you want demands.
• Deciding whether to drop a class — if even a 100% on the final won't pull you to passing, you'll know now.
• Picking between borderline grades — see whether pushing from a B+ to an A- is realistic given your current standing.
• Asking for extra credit — go to your professor with a specific number ("I'd need a 103% to reach an A").
• Time-budgeting across multiple finals — focus your hardest study on the courses where the final matters most.

• Including the final in your current grade. The "current" grade should reflect only what has been graded — not a placeholder zero or 100 for the final.
• Confusing exam weight with category weight. If "exams" are 40% and there are two equally-weighted exams, the final is 20%, not 40%.
• Forgetting late assignments still pending. If a paper hasn't been graded yet, its score will also shift your real "current" average.
• Targeting a grade that crosses a rounding boundary. Many professors round 89.5+ to 90 (A-); aim for 89.5, not exactly 90, to leave a buffer.
• Ignoring participation or attendance points. If your syllabus reserves 5% for participation, factor that into the "current grade" you enter.