How this calculator works
Enter questions right or wrong to instantly see your test grade as a percentage and letter grade. Values are processed instantly on this device, with checks for missing values and invalid divisions.
Score: (correct / total_questions) * 100
Worked example
Enter realistic values in each labeled field, select Calculate, and review both the primary answer and supporting details. Use Reset to clear the form before trying another scenario.
Frequently asked questions
What does the Test Score Calculator do?
Enter questions right or wrong to instantly see your test grade as a percentage and letter grade.
Are my values stored?
No. The calculation runs locally in your browser and the values are not submitted to us.
Can I rely on this result?
Use this as an informational estimate. Check measurements and source values before acting on the result.