Test Score Calculator
Percentage and letter grade from marks.
Enter your values
Enter the correct answers you are working with.
Enter the total questions you are working with.
Enter the target grade in %.
Results update instantly as you type — no submit needed. Your values are remembered on this device, and the shareable link reopens the calculator with exactly these numbers.
- Score
- 86%
- Letter grade
- B
- Questions missed
- 7
- Needed for target
- 45 correct
- Gap to target
- 2 more
Working
- 1Score = 43 ÷ 50 × 100 = 86%
Quick answer
Score percentage is correct answers divided by total questions, times 100.
Score % = correct ÷ total × 100
At a glance
| What it does | Percentage and letter grade from marks. |
|---|---|
| Category | Education |
| Inputs needed | Correct answers, Total questions, Target grade |
| Main output | Score |
| Formula | Score % = correct ÷ total × 100 |
| Cost | Free — no sign-up, no download |
How to use the Test Score Calculator
- 1Enter the number of correct answers.
- 2Enter the total number of questions.
- 3Set a target grade to see the gap.
Inputs explained
- Correct answers
- Enter the correct answers you are working with.
- Total questions
- Enter the total questions you are working with.
- Target grade(%)
- Enter the target grade in %.
Worked example
Using the values the calculator loads with:
Inputs
- Correct answers43
- Total questions50
- Target grade90 %
Results
- Score86%
- Letter gradeB
- Questions missed7
- Needed for target45 correct
- Gap to target2 more
- Score = 43 ÷ 50 × 100 = 86%
Frequently asked questions
Is the letter scale universal?
No — this uses the common US scale. Many schools set their own cut-offs, so check your syllabus.
How do I handle partial credit?
Enter the points earned and points available instead of question counts; the maths is identical.
What do I need to enter into the Test Score Calculator?
Just 3 values: correct answers, total questions, target grade. Every field starts with a realistic example, so you can change one number at a time and watch the result update instantly.
How does the Test Score Calculator work out the answer?
Score percentage is correct answers divided by total questions, times 100. It applies the formula Score % = correct ÷ total × 100 and shows the working so you can check each step by hand.
Is the Test Score Calculator free, and do I need an account?
It is completely free with no sign-up, no download and no usage limit. Everything is calculated in your browser, so the numbers you type never leave your device.
Results are estimates for general information. For medical, legal, structural or financial decisions, confirm with a qualified professional.