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Final Grade Calculator

Find the score you need on the final exam to hit your target.

Calculated Output

Score needed on final (%) 108.67

Formula: needed = (desired − current × (1 − w)) ÷ w

Step-by-Step Breakdown

1. Values used:

2. Current grade = 82 %

3. Desired overall grade = 90 %

4. Final exam weight = 30 %

6. Score needed on final = 108.67%

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The math behind it

needed = (desired − current × (1 − weight)) ÷ weight, where weight is the final's share of the total grade.

If the result is above 100%, the target isn't reachable; if negative, you've already secured it.

82% so far, want 90% overall, final worth 30% → (90 − 82×0.7) ÷ 0.3 = 108.7% (not achievable).

What if I get a value over 100?

It means the desired grade is mathematically impossible with that final weight.