Formula used JNTUA
JNTUA CGPA to percentage formula
R23 regulations
R15, R19 and R20 regulations
For R23, JNTUA's regulations give (CGPA − 0.5) × 10. For earlier regulations, a 2021 Registrar's letter says no conversion formula is needed: the percentage is calculated from the marks on your memos.
Source: R23 B.Tech regulations (hosted by an affiliated college) · Registrar's letter, Sept 2021 (archived). Checked October 2026.
JNTUA CGPA to percentage table CGPA 5.0 to 10.0
| CGPA | Percentage |
|---|---|
| 5.0 | 45% |
| 5.1 | 46% |
| 5.2 | 47% |
| 5.3 | 48% |
| 5.4 | 49% |
| 5.5 | 50% |
| 5.6 | 51% |
| 5.7 | 52% |
| 5.8 | 53% |
| 5.9 | 54% |
| 6.0 | 55% |
| 6.1 | 56% |
| 6.2 | 57% |
| 6.3 | 58% |
| 6.4 | 59% |
| 6.5 | 60% |
| 6.6 | 61% |
| 6.7 | 62% |
| 6.8 | 63% |
| 6.9 | 64% |
| 7.0 | 65% |
| 7.1 | 66% |
| 7.2 | 67% |
| 7.3 | 68% |
| 7.4 | 69% |
| 7.5 | 70% |
| 7.6 | 71% |
| 7.7 | 72% |
| 7.8 | 73% |
| 7.9 | 74% |
| 8.0 | 75% |
| 8.1 | 76% |
| 8.2 | 77% |
| 8.3 | 78% |
| 8.4 | 79% |
| 8.5 | 80% |
| 8.6 | 81% |
| 8.7 | 82% |
| 8.8 | 83% |
| 8.9 | 84% |
| 9.0 | 85% |
| 9.1 | 86% |
| 9.2 | 87% |
| 9.3 | 88% |
| 9.4 | 89% |
| 9.5 | 90% |
| 9.6 | 91% |
| 9.7 | 92% |
| 9.8 | 93% |
| 9.9 | 94% |
| 10.0 | 95% |
Frequently Asked Questions
What is the JNTUA CGPA to percentage formula?
It depends on your scheme: R23 regulations: Percentage = (CGPA − 0.5) × 10; R15, R19 and R20 regulations: No formula: JNTUA says to work out the percentage from the marks in all semesters (marks obtained ÷ maximum marks × 100).
What is 8 CGPA in percentage at JNTUA?
75% for R23 regulations.
What is 7.5 CGPA in percentage at JNTUA?
70% for R23 regulations.
What does JNTUA say about converting CGPA to percentage?
For R23, JNTUA's regulations give (CGPA − 0.5) × 10. For earlier regulations, a 2021 Registrar's letter says no conversion formula is needed: the percentage is calculated from the marks on your memos.