Grade Percentage Calculator
Convert test scores into a percentage and letter grade instantly. Free online grade calculator for students and teachers.
✓ 100% free ✓ No sign up ✓ Runs in your browser — nothing uploaded
Score
86%
Letter grade (US) B
Points missed 7
How to use Grade Percentage Calculator
- 1Enter your numbers or dates.
- 2Results update instantly as you type.
- 3Copy the main result with one click.
Questions
Is Grade Percentage Calculator free?
Yes. Grade Percentage Calculator is 100% free with no limits, no watermark, no sign up and no email required.
Is my data sent anywhere?
No. Everything is calculated locally in your browser. Nothing you type is sent to or stored on any server.
Does Grade Percentage Calculator work on my phone?
Yes. Grade Percentage Calculator works in any modern browser on iPhone, Android, Windows, Mac, Linux and Chromebook. No app or install needed.
Do I need to create an account?
Never. There is no sign up, no login, no email and no paywall. Just open the page and use it.
How accurate is it?
Calculations use standard formulas with full floating-point precision. For medical, legal or financial decisions, please confirm with a professional.