JNTUH GPA Calculator
Jawaharlal Nehru Technological University Hyderabad (JNTUH) uses a 10-point CGPA scale: O (10), A+ (9), A (8), B+ (7), B (6), C (5), P (4 — pass), F (0 — fail). Percentage = (CGPA - 0.5) × 10 per JNTUH official formula. Supports BTech, MTech, MBA, MCA programs.
Jawaharlal Nehru Technological University Hyderabad (JNTUH) introduced credit-based grading under R18 (2018 regulation) for B.Tech programs. Each semester carries approximately 24-26 credits. Theory courses are typically 3 credits each, lab courses 1.5-2 credits, and mini-projects 2 credits. The grade cutoffs in R18 are mark-based: O requires 90+, A+ requires 80-89, down to P (pass) at 40-49, and F below 40. SGPA = Σ(credits × grade_points) / Σ(credits) for the semester. CGPA = Σ(credits × grade_points across all semesters) / Σ(total credits). JNTUH uses the formula Percentage = (CGPA - 0.5) × 10 for official conversions — so an 8.0 CGPA equals 75%, and a 6.5 CGPA equals 60%. A student requires CGPA ≥ 6.5 to qualify for First Class. Failed courses (F grade) must be cleared via supplementary exams; the new grade enters the CGPA of the semester in which it was cleared, but the transcript shows both the original F and the subsequent grade. Typical Semester 3 (R18 CSE) courses include CS302 Mathematical Foundations of Computer Science (3 credits), CS303 Data Structures (3 credits), CS304 Computer Organization (3 credits), CS305 Discrete Mathematics (3 credits), and CS306 Java Programming (3 credits) plus corresponding labs.
Official reference: JNTUH Academic Regulations R18 — B.Tech
Grade Scale
| Grade | Points | Marks Range |
|---|---|---|
| O | 10 | 90–100% |
| A+ | 9 | 80–89% |
| A | 8 | 70–79% |
| B+ | 7 | 60–69% |
| B | 6 | 55–59% |
| C | 5 | 50–54% |
| P | 4 | 40–49% |
| F | 0 | 0–39% |
Worked Example
Sample semester with realistic course names. Edit the calculator above with your own grades.
| Subject | Credits | Grade |
|---|---|---|
| CS302 — Mathematical Foundations of Computer Science | 3 | A+ |
| CS303 — Data Structures | 3 | A |
| CS304 — Computer Organization | 3 | B+ |
| CS305 — Discrete Mathematics | 3 | A |
| CS306 — Java Programming | 3 | O |
| CS307 — Data Structures Lab | 2 | A+ |
Get your full grade report as PDF — free for early access.
Frequently Asked Questions
How does JNTUH calculate percentage from CGPA?
JNTUH uses Percentage = (CGPA - 0.5) × 10. So a CGPA of 8.0 gives 75% and a CGPA of 7.0 gives 65%. This formula is slightly more conservative than CGPA × 9.5 used by other universities. Always mention which formula you used when submitting to employers.
How do backlogs affect CGPA at JNTUH?
An F grade earns 0 points and is included in the SGPA of that semester, pulling it down. Once cleared in a supplementary exam, the new grade replaces F in the CGPA computation — but the original F semester’s SGPA remains unchanged on the transcript. Clearing backlogs raises overall CGPA as more credit mass accumulates.
What is the difference between R15, R16, and R18 regulations at JNTUH for CGPA?
R15 and R16 used a 10-point CGPA scale but with slightly different grade boundaries and percentage formulas. R18 standardized grade cutoffs (O = 90+, etc.) and clarified that failed lab courses need independent clearance. Students under different regulations cannot directly compare CGPA values without knowing which formula applies.
What CGPA is needed to qualify for JNTUH gold medal or honors?
Institutional gold medals at JNTUH-affiliated colleges typically require ranking first in the department with a minimum CGPA of 8.0+, no backlogs, and full attendance. Specific thresholds vary by affiliated college; check your college handbook.
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