GPA Calculator
A free set of GPA and grade tools to calculate your college GPA, convert grade scales, figure out class rank, and turn percentages into letter grades.
GradeCalc is a free set of browser-based GPA and grade calculators — no sign-up, no install. Compute your grade point average (GPA), convert grade scales, find your class rank, and convert percentages instantly.
Every calculation runs in your own browser; your inputs are never sent to or stored on a server.
GPA & grade calculators
GPA Calculator
Enter each course's credits and grade to compute your weighted grade point average (GPA). Supports 4.5, 4.3 and 4.0 scales.
Grade Scale Converter
Convert grades between 4.5 ↔ 4.3 ↔ 4.0 ↔ percentage. Useful for grad school and overseas applications.
Class Rank Calculator
Turn your rank and class size into a percentile and a grade band (9-tier / 5-tier system).
Percentage to Grade
Convert a percentage score into a letter grade (A+, B, etc.) and grade points.
Grade guides
Why use GradeCalc
- Free & no install — use it right in your browser, no account or app needed.
- No personal data collected — every calculation runs in your browser and your inputs are never sent to a server.
- Multiple scales supported — 4.5, 4.3 and 4.0 grade scales plus 9-tier and 5-tier class-rank systems.
- Formulas shown — each tool includes its formula, grade table and step-by-step method.
Grade and rank rules vary by school, so all results are reference estimates. Confirm your official GPA and grades against your school's transcript.
Last updated: 2026-06-25