Grade Calculator
Convert a single course percentage into its letter grade on the built-in plus/minus scale — see that an 85 earns a B instantly. Free, local, no signup.
How to Use the Grade Calculator
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See allFinal Grade Calculator
Compute your overall course percentage from comma-separated assignment grades and their matching weights — Exam Heavy presets included. Numbers never leave your device — every calculation runs locally in your browser.
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Frequently Asked Questions
What do I need on the final?
This tool does not solve for finals — it converts one finished percentage to its letter. Average or weight your work first, then enter the projected overall percentage to see the letter it earns.
Dropped assignments?
Nothing to drop here — the tool takes a single percentage. Exclude dropped work while averaging yourself, then convert the result.
Letter cutoffs?
A at 93, A- 90, B+ 87, B 83, B- 80, C+ 77, C 73, C- 70, D+ 67, D 60, F below 60. Verify your school’s bands before trusting letters anywhere official.
Are grades uploaded?
No — math runs locally in your browser. Grades never leave your device.
Related Calculator Tools
Test Score Calculator
Compute test percentages and grades from correct/total with curve options. Turn 42/50 into 84% (B) instantly — free, local, no signup.
Final Grade Calculator
Compute your overall course percentage from comma-separated assignment grades and their matching weights — Exam Heavy presets included. Numbers never leave your device — every calculation runs locally in your browser.
Last updated October 2026