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Calculator Tools
GPA & Grade Calculators

Letter Grade Calculator

Letter grade for a score, with the full grade boundary table.

Enter values

Results update as you type.

Result

Letter grade

B

Percentage
84%
GPA points
3
Marks needed for a A
6
Scale used
Standard — A starts at 90%
Pass or fail
Pass

Grade boundaries on this scale

GradePercentageMarks needed
A90%+90
B80%+80
C70%+70
D60%+60
F0%+0

About the Letter Grade Calculator

Letter grade for a score, with the full grade boundary table.

Also known as: what letter grade is this, score to letter grade, grade scale calculator, grading scale.

How to use this calculator

  1. Enter score, out of, grading scale.
  2. The result updates instantly as you type — press Calculate (or Enter) at any time.
  3. Review the breakdown shown under the main result.
  4. Use Copy result or Share to save the answer or send a link with your inputs.

Formula

Score percentage mapped onto the grade boundaries

Worked example

Using the values pre-filled in the calculator above:

  • Score = 84
  • Out of = 100
  • Grading scale: Standard (A 90+)

the calculator returns:

  • Letter grade: B
  • Percentage: 84%
  • GPA points: 3
  • Marks needed for a A: 6