Final Grade Calculator

Enter the current grade, the weight of the final, and the target grade to see the exact score the exam must deliver, plus the grade you land on if you score differently.

Current Grade Information

Embed tool Add this tool to your website Get embed code

Add this calculator to a related page with a visible HeyCal source link.

Instant results No signup required Standard formulas Free to use

When to use this calculator

  • Deciding what is worth aiming for Compare targets: the panel shows how the required score grows with each higher goal, which makes the effort trade-off explicit.
  • When the target is out of reach If the required score exceeds what the weight allows, the result reveals it early so you can reset the goal instead of guessing.
  • What moves the final exam number The final exam result is only as good as the inputs: change one field at a time and watch which figures shift before you commit to a decision.

Frequently Asked Questions about Final Grade Calculator

What if the required grade is above 100%?

Then the target cannot be reached with that exam weight; only a lower goal or a different course policy can change the outcome.

Does the final weight have to be exact?

Use the percentage stated in the course syllabus; the required score moves with the weight, so an approximate entry produces an approximate answer.

How do I sanity-check the final exam result?

Rerun the calculator with a known example and compare it against the figure you expect; then swap back to your own numbers.

Which final exam inputs change the outcome most?

Adjust one field at a time. The figure that shifts the result hardest is the assumption worth double-checking before you rely on it.

What score do I need on my final exam to get a B?

To find the exact score, you need your current grade and the final exam's weight. For example, if you have an 82% currently, the final is worth 25% of your grade, and a B is an 80%, you would need a 74% on the final exam. Use our calculator to get your precise number in seconds—it will vary based on your specific course numbers.

How to calculate what I need on my final exam if my teacher uses weighted grades?

The standard weighted grade formula is: (Current Grade × (1 - Exam Weight)) + (Required Exam Score × Exam Weight) = Target Grade. Solve for the Required Exam Score. Our tool automates this entire process. Just enter your current weighted grade, the exam's weight percentage, and your desired final grade. The calculator handles the algebra instantly.