Exam Score Calculator – Calculate Your Marks Percentage Instantly
Enter your marks obtained and total marks to get your percentage, grade, and pass/fail status. Supports multiple grading systems worldwide.
What is the Exam Score Calculator?
The Exam Score Calculator is a free online tool that instantly converts your raw exam marks into a percentage, assigns a letter grade, and shows your pass/fail status. Whether you just finished a school test, board exam, or university final — enter your marks and get instant results.
This calculator supports multiple grading systems used worldwide: CBSE (India) with its A1–E grading scale, US (A–F) with the standard American letter grades, and UK (First Class, 2:1, 2:2) honours classification. Simply select your grading system from the dropdown to get the correct grade mapping.
The tool also provides smart feedback based on your score — encouraging messages for high performers and motivational tips for those who need improvement. You can configure the passing percentage to match your institution's requirements (default: 33% for CBSE, 60% for US). Completely free, works on any device, no signup required — your marks data stays in your browser.
How to Calculate Exam Percentage?
The formula is simple:
Example: If you scored 425 out of 500 marks:
(425 ÷ 500) × 100 = 85%
This percentage is then mapped to a letter grade based on your selected grading system.
Grading Systems Explained
🇮🇳 CBSE (India)
81–90% → A2
71–80% → B1
61–70% → B2
51–60% → C1
41–50% → C2
33–40% → D
<33% → E (Fail)
🇺🇸 US (A–F)
80–89% → B
70–79% → C
60–69% → D
<60% → F (Fail)
🇬🇧 UK (Honours)
60–69% → Upper Second (2:1)
50–59% → Lower Second (2:2)
40–49% → Third Class
<40% → Fail
How to Use the Exam Score Calculator
- Enter the marks you obtained in your exam.
- Enter the total marks (maximum possible score).
- Select your grading system — CBSE, US, or UK.
- Adjust the passing percentage if needed (default: 33%).
- Click "Calculate Score" to see your percentage, grade, and status.
Frequently Asked Questions
Divide marks obtained by total marks, then multiply by 100. Example: 82/100 × 100 = 82%.
It varies by institution. CBSE (India) uses 33%, US typically uses 60%, and UK uses 40%. You can configure it in the calculator.
Your percentage is mapped to a grade using the selected grading system. For example, in the US: 90-100% = A, 80-89% = B, 70-79% = C.
CBSE (India), US (A–F), and UK (First Class, Upper Second, etc.) grading systems are supported.
Yes! This works for school tests, board exams, university finals, entrance exams, or any scored test.