AI Study Guru📊 CBSE & State Board Percentage Calculator
Enter your marks out of 100 to compute your exact percentage, CGPA, and Board Division.
Enter Marks (Out of 100):
How percentage and CGPA work
Percentage is simply your total marks divided by maximum marks, times 100. If you scored 444 of 500, that is 444 ÷ 500 × 100 = 88.8%. It is the number most scholarship forms, admission cut-offs and college eligibility lists ask for first.
CGPA (Cumulative Grade Point Average) summarises your performance on a 10-point scale. CBSE's standard convention (used in this calculator) converts it as: percentage = CGPA × 9.5, so CGPA = percentage ÷ 9.5. A 9.35 CGPA corresponds to roughly 88.8%. State boards may use different grade tables — GSEB, for example, publishes its own grade-band table — so always check your board's official document when a form asks specifically for CGPA.
Divisions and what they mean
| Range (typical) | Division |
|---|---|
| 75% and above | Distinction |
| 60% – 74.99% | First division |
| 45% – 59.99% | Second division |
| 33% – 44.99% | Third division (33% is the usual pass line) |
Band boundaries can vary by board and by year, so treat this table as the common convention — your mark sheet's wording always wins.
Three things students use this calculator for
- Result day: instant conversion of a subject-wise mark statement into percentage, CGPA and division.
- Target setting: work backwards — if your dream course needs 85%, the tool shows what each subject must carry. Make the weakest subject's target explicit.
- Eligibility checks: many college and scholarship forms ask for “percentage in best five” or similar variants — compute those by entering only the subjects counted.
Improving the number: where marks are cheapest
Before your next exam, look at your last result subject by subject. The subject with the lowest score usually has the most recoverable marks — a jump from 70 to 80 in your weakest subject moves the total more than 92 to 95 in your strongest. Board papers reward presentation keywords and complete steps; the CBSE prep guide covers exactly how evaluators give marks, and the bot can quiz you on any weak chapter — send quiz weak on WhatsApp.
FAQ
Does this calculator store my marks?
No. Everything is computed in your browser — nothing is sent to our servers.
How do I convert CGPA back to percentage?
Multiply by 9.5 under the CBSE convention. For 8.6 CGPA: 8.6 × 9.5 = 81.7%.
What if my board gives grades like A1, B2?
Each grade maps to a grade point (A1 = 10, A2 = 9, B1 = 8 …). Average your grade points across subjects to get CGPA, then multiply by 9.5.