Tools for Studying
Grade tools

What Grade Is X Out of Y?

Turn a points score into a percentage grade in one step.

42 out of 50 is84.0%Common US letter-grade equivalent: B

About this calculator

To convert a score out of a total into a percentage, divide the points earned by the points possible and multiply by 100. This is useful for tests, assignments, quizzes and any other points-based grade.

How to use it

  1. Enter the points you earned.
  2. Enter the total points possible.
  3. Read the percentage grade instantly.

Score-to-percentage formula

Percentage grade = points earned ÷ points possible × 100

For example, 42 out of 50 is 42 ÷ 50 × 100 = 84%.

The letter grade shown uses common US 90/80/70/60 boundaries. Your school may use different grade cutoffs.