Formula used
How to use this calculator
- Select question mode or point mode.
- Enter the test totals and your achieved score.
- Add penalties, partial credit, or extra credit when applicable.
- Choose a grading scale, GPA scale, and rounding method.
- Set passing and target percentages.
- Optionally add course-weight information.
- Select Calculate grade to view every result.
Example grade table
| Correct | Total | Percentage | Standard grade | Status at 60% |
|---|---|---|---|---|
| 47 | 50 | 94% | A | Pass |
| 42 | 50 | 84% | B | Pass |
| 36 | 50 | 72% | C | Pass |
| 29 | 50 | 58% | F | Fail |
Understanding test grades
A test grade measures earned performance against the available score. Most tests use either question counts or point totals. This calculator supports both approaches without changing the core percentage formula.
Negative marking reduces the score for incorrect answers. Partial credit adds points for partly correct work. Extra credit can raise the calculated percentage above one hundred percent.
Grade letters depend on the selected grading scale. Schools may use standard, plus-minus, pass-fail, or custom boundaries. The calculator lets you enter institution-specific thresholds when needed.
A weighted test affects only part of the course grade. The projected result combines the current course average with the test contribution. The required-score result shows what test percentage would reach a desired course average.
Rounding can change a result near a grade boundary. Normal rounding is common, but some policies always round down. Confirm your teacher’s rule before relying on the displayed letter grade.
Unanswered questions can be treated as wrong or excluded. Excluding them changes the effective question total. Use that option only when the assessment policy allows unanswered items to be ignored.
GPA conversion is an estimate rather than a universal rule. Institutions often map percentages differently. Always compare the result with the official syllabus or grading handbook.
Frequently asked questions
How is a test percentage calculated?
Divide the adjusted earned score by the maximum score, then multiply by one hundred.
Can the calculator handle negative marking?
Yes. Enter the deduction applied to each incorrect answer.
Can extra credit create a grade above 100%?
Yes. The raw percentage may exceed one hundred, while grade and GPA mapping use a capped percentage.
What does ignoring unanswered questions do?
It removes unanswered items from the effective denominator instead of counting them against the grade.
How do custom grade boundaries work?
Enter each label and minimum percentage on its own line, such as A:90.
How is the weighted course grade estimated?
The calculator combines the current grade and test grade using the selected test weight.
Why might my teacher’s grade differ?
Your teacher may use different rounding, weighting, exclusions, or grade boundaries.
Can I calculate the score needed for a target grade?
Yes. Enter the target percentage to see required points, correct answers, and allowable mistakes.
Is the GPA result official?
No. It is a general estimate and should be checked against official institutional policies.