Updated
Final Grade Calculator
The score you need on the final equals (target grade − current grade × (1 − weight)) ÷ weight, where weight is the final's share of your course grade. With a 88% current grade, a 90% target, and a final worth 25%, you need a 96%.
Skip to the calculatorWhat do I need on the final?
These are example numbers. Type your own above.
(90 − 88 × (1 − 25/100)) ÷ (25/100) = 96
Skip the final entirely and your course grade becomes 66%.
Weighted grade calculator
Weights are normalized automatically, so they do not need to sum to 100. Leave a score blank to exclude it.
Each category's score × its weight, divided by the total weight.
Limits: grades and targets 0–120% (extra credit exists), final weight above 0 up to 100, category weights 0 or more with at least one non-zero, up to 50 categories. Results round to 2 decimals; verdicts use the unrounded value.
The formula
Your course grade is current × (1 − w) + final × w, where w is
the final's weight as a decimal. Solve for the final score and you get:
needed = (target − current × (1 − w)) ÷ w
With an 88% average, a 90% target, and a final worth 25%: needed = (90 − 88 × 0.75) ÷ 0.25 = 96. The smaller the final's weight, the harder it is to move your grade. A final worth 10% requires 10 points of final score to move the course grade by 1 point.
The three verdicts, and what each one means
This calculator tells you plainly which situation you are in: the target is already secured even with a zero; the target is reachable and here is the score; or the target needs more than 100% and is out of reach without extra credit. It also shows your grade if you skip the final, because "can I skip it?" is the real question behind many searches.
Find your final's weight
The weight is in your syllabus, usually under "grading" or "assessment." If your syllabus lists categories (homework 30%, midterm 30%, final 40%), use the weighted-grade tool above to get your current standing first, then use the final-grade tool with the final's weight.
Letter grade cutoffs
| Letter | Typical range |
|---|---|
| A | 90–100 |
| B | 80–89 |
| C | 70–79 |
| D | 60–69 |
| F | below 60 |
Cutoffs vary by school and by professor, and plus/minus systems shift them. Check the syllabus before deciding what "target" means for you.
Frequently asked questions
What do I need on my final to keep my grade?
Set the target equal to your current grade. The needed score then equals your current grade, because scoring your average keeps your average.
Can I still pass if I skip the final?
If you score zero, your course grade becomes current grade × (1 − final weight). With an 88% average and a final worth 25%, skipping leaves you a 66%. This calculator shows that number so you can decide.
What if I need more than 100%?
Then the target is not reachable on the final alone. The calculator says so directly and will not show an impossible score as if it were a plan. The exception is a course that offers extra credit.
How do weighted category grades work?
Each category (homework, tests, final) contributes its score × its weight. The weighted-grade tool on this page normalizes weights automatically, so they do not need to sum to exactly 100.
Ask for a feature
What people have asked for so far, and where each one stands:
- Handle a final that counts as several test grades considering Common on syllabuses; needs its own input mode, not a tweak.
- Show what the number would be at every activity level building On the maintenance calorie calculator.
- Say which day of the week you were born shipped
- Tip on the bill before tax shipped
- Save my figures between visits not planned It would mean storing your data. Share links carry your numbers instead.
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Written by the CalculatorJam editorial team. Formulas and edge cases are documented on this page and verified by automated reference tests. Last updated . Read our editorial policy.
Sources: Khan Academy: weighted averages