Grade Calculator

The Grade Calculator converts your score into a letter grade and grade point. It supports standard A-F, Indian 10-point, and 4-point GPA scales.

Grade Calculator

The marks or points you received.

The maximum possible score.

What the result means

The letter grade is determined by your percentage. Different institutions may use slightly different grade boundaries.

How to use this calculator

  1. 1Enter your score.
  2. 2Enter the total possible score.
  3. 3Select your grading scale.
  4. 4Press Calculate to see your letter grade.

The formula

The calculation uses a standard, verifiable formula. Here it is in its simplest form.

Percentage = Score / Total × 100 Grade determined by percentage thresholds

What each variable means

SymbolNameDescription
ScoreYour scoreThe marks or points you received.
TotalTotal possibleThe maximum possible score.

Step-by-step example

Example: 85 out of 100

Score:85Total:100Scale:Standard
  1. 1Percentage = 85 / 100 × 100 = 85%
  2. 285% ≥ 80% → Grade B

Result

Grade B

What changes the result

  • Grade boundaries vary by institution.
  • Some institutions use plus/minus grades.
  • The grading scale determines the letter grade.

Edge cases to be aware of

Unusual situations handled correctly

  • A score of 0 results in an F grade.
  • A perfect score results in the highest grade.
  • Scores above the total are invalid.

Common mistakes

Avoid these errors

  • Using the wrong grading scale.
  • Entering percentage directly instead of score and total.

Assumptions

  • The grading scale is correctly selected.
  • Grade boundaries follow common standards.

Limitations

  • Grade boundaries may differ from your institution's policy.
  • Some institutions use different letter grade systems.

Frequently asked questions

What percentage is an A grade?+
In most standard systems, 90% and above is an A. Some institutions use 93%+ for A and 90-92% for A-. Check your institution's specific policy.
What is a passing grade?+
In most systems, a D (60%) or above is passing. In India, the passing mark is often 33-40% depending on the board or university.