Convert marks to percentage and see your grade instantly - or find how many marks you need to hit a target percentage for CBSE, ICSE, state boards and college exams.
CBSE grading (left) vs. common college / university grading (right)
| Marks % | Grade | Grade Points |
|---|---|---|
| 91–100 | A1 | 10 |
| 81–90 | A2 | 9 |
| 71–80 | B1 | 8 |
| 61–70 | B2 | 7 |
| 51–60 | C1 | 6 |
| 41–50 | C2 | 5 |
| 33–40 | D | 4 |
| < 33 | E | Fail |
| Marks % | Grade | Class |
|---|---|---|
| 90–100 | O | Outstanding |
| 80–89 | A+ | Excellent |
| 70–79 | A | Very Good |
| 60–69 | B+ | Good |
| 50–59 | B | Average |
| 40–49 | C | Pass |
| < 40 | F | Fail |
Grade interpretation for CBSE (A1–E grade point scale), ICSE (A*–F), college / university (O, A+, A…) and state board - select once, get the right grade.
Beyond the raw percentage, instantly see your letter grade, academic class and grade points - exactly what job application forms and college admission portals ask for.
Enter a target percentage and total marks to find out exactly how many marks you need to score - useful for planning before an exam or checking eligibility criteria.
Pick "Marks → Percentage" to convert marks, or "Target → Marks Needed" to plan your score.
Choose CBSE, ICSE, College or State Board - the grading scale updates automatically.
See your percentage, letter grade, academic class and grade points the moment you type.
Converting marks to percentage is one of the most common calculations for students across India, from Class 10 CBSE board exams to college semester examinations and competitive entrance tests. The basic formula is straightforward: (Marks Obtained / Total Marks) x 100. However, many students also need to know what percentage they would achieve given a target score, or how many marks are needed to reach a specific percentage - which is where this multi-function calculator becomes valuable.
India uses different grading systems across its education boards. CBSE adopted the 10-point CGPA grading system from 2010, later returning to marks-based reporting for Class 10 from 2017 onwards. ICSE reports both marks and percentages. State boards like Maharashtra, Tamil Nadu, and Andhra Pradesh use percentage as the primary metric. Universities use credit-based GPA systems aligned with the UGC's Choice Based Credit System (CBCS), introduced in 2015. This calculator covers percentage, letter grade, and grade points for all scenarios.
For engineering admissions (JEE), students need at least 75% marks in Class 12 for IIT eligibility. NEET medical admissions require 50% aggregate for general category. SSC CGL and other central government recruitment exams specify minimum qualifying percentages by category. This tool helps students quickly check where they stand and what they need to aim for.