Grade Calculator
What score do I need on my final exam? Find out instantly.
Needed score for common targets:
Formula: needed = (desired − current × (1 − w)) / w
How to Use Grade Calculator
- Enter your current overall grade (as a percentage), the final exam weight (e.g., 30%), and your desired grade.
- Click Calculate to see the exact score you need on the final exam to reach your goal.
- Read the verdict — “Easily doable,” “Push hard,” or “Not possible — talk to your teacher” — for a quick assessment.
- Check the bonus table that shows needed scores for common targets (A=90, B=80, C=70, D=60) at your current weight.
Benefits of Grade Calculator
- The weighted formula (desired − current × (1 − w)) / w is applied automatically, eliminating manual algebra mistakes.
- Friendly verdict text gives psychological framing — knowing something is “Easily doable” can reduce exam anxiety.
- Bonus target table lets you see at a glance whether an A is achievable or if you should focus on securing a B.
- No registration and no data sent anywhere; calculate as many scenarios as you want with complete privacy.
Frequently Asked Questions
What if the needed score is over 100%?
Then it’s mathematically impossible to reach that target with the current grade and exam weight. The tool will flag this and suggest you talk to your teacher about extra credit.
Does this calculator work for courses with multiple weighted categories?
It’s designed for a single final exam. If your course has several weighted components, treat them as one combined “remaining” weight and enter the average you need across them.
Can I use this for a university GPA target?
Yes, if you know the percentage weight of your remaining assessments. Convert your desired GPA to a target percentage using your institution’s scale first.
Is Grade Calculator free and private?
Yes — it is 100% free, needs no sign-up, and everything runs in your browser; your data never leaves your device.