Free calculator

Final Grade Calculator

Enter your current grade, how much the final exam is worth and the grade you want. The calculator shows the exact score you need on the final.

What is final grade calculator?

Many courses combine coursework and a final exam into one grade. This tool works backward from the grade you want and tells you what you must score on the final to reach it.

It helps you decide how much to study and whether a target is realistic before the exam.

How to use the final grade calculator

  1. Enter your current grade as a percent.
  2. Enter the weight of the final exam as a percent of the total grade.
  3. Enter your target and read the needed score.

How the final grade calculator works

The needed score equals the target minus the current grade times the share of the grade already earned, divided by the weight of the final. With a weight w as a fraction, needed = (target minus current times (1 minus w)) divided by w.

Worked example

With a current grade of 82, a final worth 30 percent and a target of 85, you need (85 minus 82 times 0.7) divided by 0.3, which is exactly 92 percent on the final.

Common uses of the final grade calculator

  • Planning study time before finals.
  • Checking if a target grade is realistic.
  • Understanding the impact of one exam.
  • Scholarship grade requirements.
  • Parents helping with school planning.

Tips and common mistakes

If the needed score is over 100, ask your teacher about extra credit or aim for a lower target.

Use the exact weight from your syllabus, not an estimate.

Background: what to know before you rely on it

Weighted grades are used in most schools and universities because not every assessment tests the same amount of material. A syllabus usually lists the weights of homework, quizzes, midterms and the final. Because a weighted average is linear, you can solve it backward for the missing score, which is what this calculator does. A high weight on the final means that it can change your result a lot, while a small weight means that even a perfect score moves the grade only a little.

Private, free and fast

This tool runs entirely in your browser. What you type or choose is not uploaded to a server and is not saved after you close the page, which keeps it fast and private. It is free to use as often as you like. See more in all calculators, or browse the full list of tools.

Frequently asked questions

How is the final grade calculated?

The coursework grade is multiplied by its share, the final is multiplied by its weight, and the two are added.

What if my needed score is over 100?

The target cannot be reached without extra credit.

Does it work for letter grades?

Enter the percent that your school uses for the letter, such as 90 for an A.

Can I use it for any exam weight?

Yes, from 1 to 100 percent.

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Results are for information and education. For legal, financial, medical or security decisions, check with a qualified professional. Financial results are estimates and exclude fees and taxes unless the tool says otherwise.