Final Grade Calculator
The exam score you need to hit your target grade.
Enter your values
Enter the current grade in %.
Enter the target final grade in %.
Enter the final exam weight in %.
Results update instantly as you type — no submit needed. Your values are remembered on this device, and the shareable link reopens the calculator with exactly these numbers.
- Score needed on the final
- 108.67%
- Verdict
- Not achievable — the target is out of reach
- Grade if you score 100%
- 87.4%
- Grade if you score 70%
- 78.4%
Working
- 1Needed = (90 − 82 × 0.7) ÷ 0.3 = 108.67%
Quick answer
Required exam score = (target − current × (1 − weight)) ÷ weight.
Needed = (target − current × (1 − w)) ÷ w
At a glance
| What it does | The exam score you need to hit your target grade. |
|---|---|
| Category | Education |
| Inputs needed | Current grade, Target final grade, Final exam weight |
| Main output | Score needed on the final |
| Formula | Needed = (target − current × (1 − w)) ÷ w |
| Cost | Free — no sign-up, no download |
How to use the Final Grade Calculator
- 1Enter your current course grade.
- 2Enter the grade you want overall.
- 3Enter what percentage of the grade the final is worth.
Inputs explained
- Current grade(%)
- Enter the current grade in %.
- Target final grade(%)
- Enter the target final grade in %.
- Final exam weight(%)
- Enter the final exam weight in %.
Worked example
Using the values the calculator loads with:
Inputs
- Current grade82 %
- Target final grade90 %
- Final exam weight30 %
Results
- Score needed on the final108.67%
- VerdictNot achievable — the target is out of reach
- Grade if you score 100%87.4%
- Grade if you score 70%78.4%
- Needed = (90 − 82 × 0.7) ÷ 0.3 = 108.67%
Frequently asked questions
What if the required score is over 100?
The target is mathematically out of reach. Recalculate with a realistic target, or ask about extra credit.
Where do I find the exam weight?
The course syllabus lists the grade breakdown — finals are commonly 20–40%.
What do I need to enter into the Final Grade Calculator?
Just 3 values: current grade, target final grade, final exam weight. Every field starts with a realistic example, so you can change one number at a time and watch the result update instantly.
How does the Final Grade Calculator work out the answer?
Required exam score = (target − current × (1 − weight)) ÷ weight. It applies the formula Needed = (target − current × (1 − w)) ÷ w and shows the working so you can check each step by hand.
Is the Final Grade Calculator free, and do I need an account?
It is completely free with no sign-up, no download and no usage limit. Everything is calculated in your browser, so the numbers you type never leave your device.
Results are estimates for general information. For medical, legal, structural or financial decisions, confirm with a qualified professional.