Indian Institute of Management Shillong (IIM Shillong), Shillong
percentage to CGPA
Indian Institute of Management Shillong (IIM Shillong), Shillong — % → CGPA
Converting Indian Institute of Management Shillong (IIM Shillong), Shillong percentage back to CGPA
Indian Institute of Management Shillong (IIM Shillong), Shillong (Meghalaya) officially converts CGPA to percentage with % = (1/2 + (CGPA − 1) / 6.66) × 100, for CGPA ≥ 1 (PGP, 4.33-point scale). This page inverts that formula so you can estimate the CGPA behind a known percentage. Enter your percentage above and the calculator solves for the CGPA on the 4.33-point scale.
Worked example
The official Indian Institute of Management Shillong (IIM Shillong), Shillong formula is % = (1/2 + (CGPA − 1) / 6.66) × 100, for CGPA ≥ 1 (PGP, 4.33-point scale). Starting from a percentage of 80.03%, the formula reverses to a CGPA of about 3 on the 4.33-point scale. You can check this by running 3 through the forward Indian Institute of Management Shillong (IIM Shillong), Shillong CGPA to percentage calculator — it returns 80.03%, confirming the two directions agree.
Why this is an estimate, not an official figure
A college issues your percentage from your actual CGPA, not the other way around — so reversing the formula recovers the CGPA that would produce that percentage. When both numbers appear on your grade card, always quote the official CGPA rather than this estimate.
Source & verification
IIM Shillong 'PGP 2024-26 Handbook' (V2, for internal circulation; posted Sep 2025), §5.2 'Conversion of CGPA to equivalent percentage': 'If there is a requirement for converting the CGPA to equivalent percentage, the following conversion formula may be used: (1/2 + (CGPA − 1)/6.66) × 100% ... for all CGPA greater or equal to 1.' Grade points (§24.4): A+ 4.33, A 4, A− 3.67, B+ 3.33, B 3, B− 2.67, C+ 2.33, C 2, C− 1.67, D 1, U 0.
IIM Shillong uses a 4.33-point scale; do NOT apply ×10 or ×25. Formula simplifies to % = 50 + (CGPA − 1) × 15.015.
College contact
Address: Indian Institute of Management Shillong, Umsawli, Shillong – 793018, East Khasi Hills, Meghalaya
Email: pgp@iimshillong.ac.in
Phone: +91-364-2308000
Website: official contact page
Need the usual direction? Use the Indian Institute of Management Shillong (IIM Shillong), Shillong CGPA to percentage calculator, or browse the full percentage to CGPA directory.