Free percentage tool

Grade Percentage Calculator

Convert points earned out of total points into a percentage for tests, quizzes, homework, and exams.

Grade percentage calculator
Enter values and the answer updates instantly.
Live
Score percentage
—

Enter values to see the result.

Formula

Grade percentage is points earned divided by total points, multiplied by 100.

grade% = points earned ÷ total points × 100

Examples

  • 42 out of 50 = 42 ÷ 50 × 100 = 84%.
  • 18 out of 20 = 90%.
  • Grade letters vary by teacher, school, and country.

Frequently asked questions

Short, practical answers for this calculation.

Is the letter grade exact?

No. Grade scales vary. The calculator gives a common range only.

Can total points be zero?

No. A percentage needs a non-zero total.

Can scores be above 100%?

Yes, if extra credit makes points earned higher than total base points.

Can I use this for weighted grades?

This simple calculator is for one score. Weighted grades need a weighted average calculator.