Add up your marks. Know your grade.
Weighted grades, GPA, the mark you need to pass, cross-scale conversions — punch in your numbers and get the answer instantly. No sign-up, no maths headache.
Every marks question, answered in seconds
Instant, accurate results
Weighted averages, GPA points and pass thresholds are computed live as you type — the formulas are unit-tested, so the number you see is the number that's right.
No login, no cost
Everything runs right in your browser. Nothing to download, nothing to sign up for, and none of your marks are stored or sent anywhere.
Every scale, cross-converted
4.0 GPA, percentages, letters, UK classes, ECTS — each grading scale is documented with its bands and pass mark, and linked to the conversions that matter.
Popular calculators
Pick a tool, enter your marks, get your grade. Each one is free and works instantly.
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Open calculator →Find your tool by category
Three steps to your grade
Enter your marks
Add each assessment with its score and weight — or your courses with grades and credit hours. Rows add up as you go.
See it calculated live
Your overall percentage, letter grade or GPA updates instantly, with a clear read on whether you're above the pass line.
Convert & plan ahead
Switch between grading scales, or work out the exact mark you still need in the final to hit your target grade.
Get your grade in under a minute
From a single test score to a full GPA across scales — add up your marks and see exactly where you stand.
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