14
Grade needed on a final
Find the score required on a final exam to reach your target course grade.
Formula: (target − current × remaining-course weight) ÷ final-exam weight.
FREE CALCULATOR · SCHOOL
Final Grade Calculator
Finals week math: enter your current grade, your target, and how much the final is worth — the calculator tells you exactly what score you need.
How the final grade calculator works
Finals week math: enter your current grade, your target, and how much the final is worth — the calculator tells you exactly what score you need.
The formula
needed = (target − current × (1 − weight)) ÷ weight (all as decimals)
Worked example
You have 82% going into a final worth 30%, and you want 85% overall. Needed = (0.85 − 0.82 × 0.70) ÷ 0.30 ≈ 0.92 — you need about 92% on the final.
Where this comes in handy
- Students: set a concrete target before finals week.
- Planning: decide whether the goal is realistic or needs adjusting.
- What-if: test how different final scores move the overall grade.
- Teachers: show students the math behind grade outcomes.
Final Grade Calculator — frequently asked questions
How do I calculate the grade I need on my final?
Multiply your current grade by the non-final weight, subtract from your target, and divide by the final's weight. This calculator does it instantly.
What if the needed score is over 100%?
Then the target is mathematically out of reach with the final alone — even a perfect score will not get you there. Time to adjust the goal or talk to your instructor.
Do I use percentages or decimals?
Either works as long as you are consistent. The calculator accepts percentages directly.
What is a weighted grade?
A grade where components count unequally — for example, homework 20%, midterm 30%, final 50%. Each part contributes its weight to the total.
Should I round my current grade?
Use the most precise figure you have. Rounding early can shift the answer by a point or more on high-weight finals.