Accurate reverse math
Uses the weighted-average formula to find the needed score.
Study Calculator
Final Grade Calculator — What You Need on the Final
Enter your current grade, the final exam weight, and your target grade to see exactly what score you need on the final. Flags impossible or already-secured targets.
You need on the final
100.0%
Not reachable with a max 100% final — you'd need extra credit.
What is the final grade calculator?
If you know your grade so far and how much the final exam is worth, you can work backward to the score you need on the final to hit your target. It solves: final grade = current × (1 − weight) + final score × weight.
How to use
- 1 Enter your current grade (%).
- 2 Enter the final exam's weight (%).
- 3 Enter your target overall grade and read the score you need.
Highlights
Reality check
Tells you if the target needs over 100% or is already secured.
Instant
Results update as you type.
FAQ
What if the needed score is over 100%?+
Even a perfect final won't reach your target. Without extra credit, adjust the goal.
What if it's negative?+
You've already secured the target — even a 0% final keeps your grade at or above it.
How do I enter the weight?+
Enter the percentage the final counts toward your grade (e.g. 30%); the rest (70%) uses your current grade.
Related tools
Grading schemes (weights, rounding, extra credit) vary by school and course. Confirm the actual rules in your syllabus.