Final Grade Needed

Find the score you need on a final exam to reach a target grade, given your current grade and the final's weight. It also tells you whether that target is still reachable.

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Worked example

Need on final: 108.666667% · Feasible?: No (>100%)

How it’s solved

Worked on the example above, step by step — follow along and you can do it on paper next time, no tool required.

Your current grade already covers the non-final part of the course; the final must close the rest of the gap to your target.
Grade carried in (current × the non-final weight)
82 × (1 − 30%) = 57.4
Subtract that from your target
90 − 57.4 = 32.6
Divide by the final's weight to get the score you need
32.6 ÷ 30% = 108.666667%

Learn the method

Inputs

Current %
82
Final weight %
30
Target %
90

Frequently asked

How is the needed score found?

It solves target = current × (1 − weight) + final × weight for the final score.

What if it says over 100%?

The target isn't reachable from your current standing even with a perfect final.