IIT Delhi is an Institute of National Importance and one of India's premier engineering institutions. It uses a 10-point grading scale, a completely different arithmetic from the 4.0 scales used across Pakistan and Bangladesh.
There are 9 grade tiers. Below E, worth 2 points, nothing scores.
CGPA × 10 (IIT Delhi admissions conversion context) is used officially, though only in the admissions context it was written for. Treat it as valid there and provisional everywhere else.
These are the rules that matter once you are past the table. Percentage conversion runs to CGPA x 10 (IITs do not use the UGC x 9.5 multiplier). Minimum passing grade point stands at 4.0 (D).
The calculator does arithmetic. Your handbook holds the rules. Where the two disagree, IIT Delhi is right.
| Grading mode | Relative |
| GPA scale | 0.00 – 10.00 |
| Percentage conversion | CGPA x 10 (IITs do not use the UGC x 9.5 multiplier) |
| Minimum passing grade point | 4.0 (D) |
| CGPA → percentage status | Official in a specified institutional context |
IITs generally award grades relative to class performance. Unlike UGC-affiliated universities that use the x 9.5 multiplier, IITs conventionally convert with a straight x 10.
| Grade | Points | Meaning |
|---|---|---|
| A | 10.00 | Outstanding |
| A- | 9.00 | Excellent |
| B | 8.00 | Very Good |
| B- | 7.00 | Good |
| C | 6.00 | Average |
| C- | 5.00 | Below Average |
| D | 4.00 | Marginal Pass |
| E | 2.00 | Poor |
| F | 0.00 | Fail |
IITs conventionally use a straight x 10. The x 9.5 multiplier is the UGC convention used by CBCS-affiliated universities such as Delhi University, and applying it to an IIT CGPA understates your percentage by roughly 5%.