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Grade calculator

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Your grades
AssignmentScoreWeight %
Weighted grade
0% F
Weights add up to 0%.
What do I need on the final?

Enter your target and the weight of the final.

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Weighted grades, worked out for you

This grade calculator turns scores and weights into an overall percentage and letter grade, then works out what is needed on the final exam to reach a target. Enter scores as percentages or as points like 44/50. It is free, needs no account, and nothing leaves your browser.

How it works

How to use the grade calculator

  1. 1
    Enter each scoreAdd a row for each assignment or category. Type a percentage, or points like 44/50.
  2. 2
    Add the weightsGive each row its weight from the syllabus. The overall grade updates as you type.
  3. 3
    Check the finalEnter your target grade and how much the final is worth to see the score you need.
In the classroom

Who uses a grade calculator

Weighted grades are easy to get wrong by hand. A quick check saves arguments at report time.

Teachers checking report cardsConfirm a final grade before it goes on the report, using the same weights as your syllabus.
Students planning for finalsSee exactly what score is needed on the final, and whether a target is still reachable.
Tutors setting goalsTurn a target grade into a clear number to work toward with each student.
Parents following progressMake sense of a weighted grade breakdown from a school portal.
FAQ

Frequently asked questions

How is a weighted grade calculated?+

Each score is multiplied by its weight, the results are added together, and the total is divided by the sum of the weights.

What if my weights do not add up to 100?+

The calculator divides by the weights you entered, so the grade reflects the work graded so far. This is how most gradebooks show a grade during the term.

How do you work out the score needed on the final?+

Needed score = (target grade − current grade × (1 − final weight)) ÷ final weight, with the final weight written as a decimal.

Which letter grade scale is used?+

A standard US scale: A is 93 and above, A− is 90 to 92, B+ is 87 to 89, and so on down to F below 60.

Can I enter points instead of percentages?+

Yes. Type a score like 44/50 and it is converted to a percentage automatically.

Are my grades saved?+

Your rows are stored only in this browser so they are there next time. Nothing is sent to our servers.