Final Grade Calculator โ€” What Do I Need on My Final?

Enter your current grade, final exam weight, and desired grade to instantly find out what score you need on your final exam.

Formula: Required Final Score = (Desired Grade โˆ’ Current Grade ร— (1 โˆ’ Final Weight)) รท Final Weight. Example: Want 80%, have 75%, final = 30% โ†’ need 91.7%.

Final Exam Grade Calculator

How to Use the Final Grade Calculator

  1. Enter your current course grade before the final.
  2. Enter the final exam weight as a percentage of the total course grade.
  3. Enter your desired final course grade.
  4. Click Calculate Required Score.

The Final Exam Formula

Required Final Score = (Desired Grade โˆ’ Current Grade ร— (1 โˆ’ Final Weight)) รท Final Weight

Example: Current 75%, final worth 30%, want 80%: (80 โˆ’ 75ร—0.70) รท 0.30 = 27.5 รท 0.30 = 91.7%

Common Scenarios

Current GradeFinal WeightDesired GradeRequired Final
75%30%80%91.7%
80%25%85%100%
70%40%75%82.5%
65%50%70%75%

What If the Required Score Is Over 100%?

If the result exceeds 100%, achieving your desired grade is mathematically impossible with remaining coursework. Consider speaking with your professor about extra credit, or adjust your target grade.

Related Tools

Set your desired grade to 60% (or your passing threshold) and enter your current grade and final weight. The calculator shows the required final exam score instantly.

Maximum improvement = Final Weight ร— (100 โˆ’ Current Grade). For a 30% final with 80% current grade: 0.30 ร— 20 = 6 percentage points maximum.

Know Your Course Grade First

Use the Grade Calculator to find your current grade before calculating what you need on the final.

Open Grade Calculator