Grade Calculator
Calculate a percentage grade and letter grade from points earned and points possible. Free grade calculator.
How to use this grade calculator
Points earned over points possible is the core of most gradebooks. This grade calculator returns a percent and a simple letter on a 90/80/70/60 scale. Always prefer the scale in your syllabus if it differs.
Formula
Worked example
86 out of 100 is 86%, typically a B.
Related calculators
More education calculators
- GPA Calculator — Calculate a credit-weighted GPA using a 4.0 scale.
- Final Grade Calculator — Find the score needed on a final exam to reach a target course grade.
Frequently asked questions
Is this grade calculator free?
Yes. It works instantly in your browser with no signup.
Are the results exact?
Results follow the stated formula, but real-world fees, timing, and rounding can vary.
How do I calculate my grade?
Points earned ÷ points possible × 100. 86/100 is 86%, typically a B on a standard scale.
What percent is an A?
Many U.S. schools use 90–100 A, 80–89 B, 70–79 C, 60–69 D. Your syllabus may differ (including plus/minus).
Weighted grades?
If categories have different weights, convert each category to a percent, multiply by its weight, and add. The GPA calculator is for course credit weights.
Can I include extra credit?
Add extra credit to points earned (and to possible only if your teacher counts it that way).
Results are estimates for informational purposes and are not financial, legal, or professional advice. Last reviewed 2026-08-20.