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Free tool · For students & parents

Final grade calculator

Enter your current grade, how much the final exam is worth, and the grade you want to finish with — we'll tell you the exact score you need on the final.

You need to score on the final

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Score needed for common targets

To finish withYou need on the final

Why this matters before finals week

Most courses weight the final exam somewhere between 10% and 50% of the overall grade. That weight decides everything: with a 10% final, your course grade is mostly locked in already; with a 40% final, one exam can move you a full letter grade in either direction.

Knowing the exact score you need turns vague exam stress into a concrete target. If you need a 62%, you can relax and focus on your weakest topics. If you need a 96%, you know it's time to plan serious revision — or talk to your teacher about extra credit while there's still time.

If the number looks impossible

A required score above 100% means the grade you want is mathematically out of reach on the final alone — the calculator will show you the best grade you can still finish with, so you can reset your target. A required score of 0% or below means congratulations: your target grade is already secured no matter what happens on the final.

If you're short of where you want to be, a few focused sessions with a tutor before the exam are one of the highest-leverage moves you can make. Browse our test prep and homework help platforms to find same-week help.

How the numbers are worked out

  • Your course grade is assumed to be: current grade × (1 − final weight) + final score × final weight.
  • The score you need is therefore: (target grade − current grade × (1 − weight)) ÷ weight.
  • Example: 78% current grade, final worth 30%, target 80% → (80 − 78 × 0.70) ÷ 0.30 = 84.7% needed on the final.
  • Everything runs in your browser — nothing you type is stored or sent anywhere.

Frequently asked questions

How do I find out how much my final is worth?

Check the course syllabus — the grade breakdown is almost always listed there (e.g. homework 30%, midterm 30%, final 40%). If it isn't, ask your teacher or check your school's online gradebook, which often shows category weights.

What if the calculator says I need more than 100%?

It means your target grade can't be reached through the final exam alone. Lower the target to see what's achievable, and ask your teacher about extra credit, resubmissions or dropped-grade policies — many courses have ways to recover points that aren't on the syllabus.

What if I need a negative score or 0%?

That's good news: your target grade is already mathematically guaranteed, even if you scored zero on the final. You still have to take the exam in most courses, but the pressure is off.

My class uses points, not percentages. Can I still use this?

Yes — convert to percentages first. Divide the points you've earned so far by the points possible so far for your current grade, and divide the final's points by the course total for its weight. Then enter those percentages here.

Is a tutor worth it just for finals?

Short-term exam tutoring is one of the most common ways people use tutoring platforms — most marketplaces let you book single sessions with no commitment, and US academic tutoring typically runs about $35–65 per hour. A couple of targeted sessions on your weakest topics usually beats many hours of unfocused review.