Compute semester GPA from course grades and credit hours with credit-weighted math on the standard 4.0 scale — quick academic snapshot. See what straight B's earn — free, local, no signup.
Content reviewed October 2026 · About Toolzum
Compute semester GPA from course grades and credit hours with weighted math. Students check what an A in a 4-credit lab does before finals — free, no signup, runs locally.
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.
Compute test percentages and grades from correct/total with curve options. Turn 42/50 into 84% (B) instantly — free, local, no signup.
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This tool is credit-weighted: grade points × credits, summed, divided by total credits — a 4-credit A moves the result more than a 2-credit B. Use the college GPA calculator when you also need cumulative totals across semesters.
Quick single-semester checks here; multi-semester running totals belong in the college GPA calculator. Know which number you're reporting.
A=4.0, A-=3.7, B+=3.3, B=3.0, B-=2.7, C+=2.3, C=2.0, C-=1.7, D+=1.3, D=1.0, F=0 — the exact steps this tool uses. Unknown letters count as 0, so spell grades carefully.
No — math runs locally in your browser. Grades never leave your device.
College GPA Calculator
Compute semester GPA from course grades and credit hours with weighted math. Students check what an A in a 4-credit lab does before finals — free, no signup, runs locally.
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.