CalcCommons
Education & Math

Final Grade Calculator

Find the final exam score you need to reach a desired course grade.

Your inputs

Choose a quick value or enter your own. Example inputs are filled in to get you started.

EXAMPLE RESULT

Enter your measurements and calculate.

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How to use

Enter your current course percentage before the final, the final’s percentage weight, and your target course grade. Calculate to see the score needed on the exam, including warnings for targets outside 0–100%.

For related tasks, try the Grade Calculator.

Formula & how it works

Required final = (target − current × (1 − weight/100)) ÷ (weight/100).

Worked examples

Example 1

Current 85%, target 90%, final weight 30%: (90 − 85 × 0.70) ÷ 0.30 = 101.6667%.

Example 2

Current 90%, target 85%, final weight 20%: (85 − 90 × 0.80) ÷ 0.20 = 65%.

Assumptions & practical notes

Current grade must exclude the final. Enter percentages from 0 to 100. Final weight must be above zero.

A required score over 100% is mathematically valid but unattainable without extra credit. A negative result means a zero already meets the target under these assumptions.

See our calculation methodology for unit definitions and testing practices.

Frequently asked questions

What if the final is worth zero?

It cannot change your course grade, so a required final score is undefined.

Does this include rounding policies?

No. Schools differ; check whether the instructor rounds final course grades.

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