Final grade calculator

See the score you need on the final to reach the grade you want.

You need on the final

87.33%

Score at least 87.33% on the final to finish with 85%.

Score needed for each letter grade

GradeCourse gradeNeeded on the final
A90% or more104%, out of reach
B80% or more70.67%
C70% or more37.33%
D60% or more4%

The common 90/80/70/60 scale. If your school uses different cut-offs, type yours as the grade you want.

If I score…

% on the final, my course grade is 81.3%

What it does

Enter your current grade, how much the final exam counts and the grade you’re aiming for, and you’ll see the exact score you need on the final. It also lists what you’d need for an A, a B, a C and a D, so you can see at a glance which goals are realistic. If the required score is above 100%, the goal is out of reach without extra credit, and the calculator tells you the best grade you can still get. If it’s 0% or less, you’ve already secured that grade. You can also work the other way round: type a final exam score to see the course grade it would give you. The calculation assumes the final is a fixed share of the grade, as most syllabuses describe it.

How to use it

How it works
  1. In “Current grade”, enter your grade in the course so far as a percentage, as shown in your gradebook or portal.
  2. In “Final exam is worth”, enter how much the final counts towards the course grade, for example 30% (check the syllabus).
  3. In “Grade you want”, enter the course grade you’re aiming for. The score you need on the final appears straight away, with the scores needed for an A, B, C and D under it.
  4. To check a result the other way round, type a final exam score under “If I score…” to see the course grade it gives.

Common uses

  • Planning how much to study for each final when several exams fall in the same week
  • Checking whether an A is still possible before deciding to take a course pass/fail
  • Seeing how a disappointing midterm affects the grade you can still reach
  • Setting a realistic target score with a student you tutor

Tips

  • Use the grade from your gradebook after all other work is marked. If homework or projects are still due, your current grade can still move, and so does the score you need.
  • The final’s weight is in the syllabus, usually listed as a percentage of the course grade, such as “Final exam: 30%”.
  • Letter grade cut-offs differ between schools. The table uses the common 90/80/70/60 scale; if yours is different, type your own cut-off as the goal.

Questions

How is the required final score calculated?

Your course grade is your current grade times (1 − the final’s weight) plus your final score times the weight. Solving for the final score gives: (goal − current × (1 − weight)) ÷ weight. With a current grade of 84%, a final worth 30% and a goal of 85%, you need (85 − 84 × 0.7) ÷ 0.3 = 87.3%.

What does it mean if I need more than 100%?

The goal can’t be reached with the final alone, unless your teacher gives extra credit. The calculator shows the highest course grade you can still get, which is what a 100% on the final gives you.

What if my grade uses points instead of percentages?

Turn the points into percentages first: points earned ÷ points possible × 100. The percentage calculator on this site can do it, for example 425 out of 500 is 85%.

Is my information saved?

No. Everything is calculated in your browser, and the numbers you type are gone when you close the page.

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