Test Grade Calculator
Work out a test grade from the number of questions and how many were wrong.
Change the values and press Calculate to work out your own figures.
Enter the number of questions and how many were wrong.
Show the working
- grade = (questions − wrong) ÷ questions × 100
How to use it
Enter the number of questions and how many were wrong.
Grades can be letters (A+ to F, P or NP for pass/no pass) or percentages (0 to 100). Show the working gives the formula with your numbers.
Key facts
grade = (questions − wrong) ÷ questions × 100
Points instead of questions
Enter points possible and points lost the same way.
Questions
What is 34 out of 40?
85%, a B.
Formulas
grade = (questions − wrong) ÷ questions × 100
Sources
Limitations
- Letter-grade points follow the common US 4.0 scale; schools differ, so check your own school's table.
- Percentage bands for letters are the common 97/93/90 … 60 cut-offs.
- Weighted GPAs add 0.5 for honors and 1 for AP, IB and college courses; some schools use other bonuses.
- At most 50 rows.