About This Calculator
Convert any point score to a percentage and letter grade instantly. Use the calculator above for instant results.
Worked Examples
Example 1: 47/60
- 78.3% → C+
Answer: 78.3%
Example 2: 90/100
- 90% → A
Answer: A
Example 3: 55/80
- 68.75% → D
Answer: D
Who Uses This Calculator?
Students
Quick score to grade conversion.
Teachers
Fast grade calculation.
Parents
Understand test results.
Test Takers
Score practice tests.
Common Mistakes to Avoid
❌ Curved grades
Add curve points before calculating.
❌ Plus/minus grades
A: 93-100%, A-: 90-92%, B+: 87-89%, B: 83-86%.
Frequently Asked Questions
Letter grade scale?
A: 90%+. B: 80-89%. C: 70-79%. D: 60-69%. F: below 60%.
GPA points?
A=4.0, B=3.0, C=2.0, D=1.0, F=0.
Plus/minus GPA?
A-=3.7, B+=3.3, B=3.0, B-=2.7, C+=2.3, C=2.0.