Exam prep·India· 5 min read

CAT Percentile vs Marks, Explained

A clear explanation of how CAT percentiles relate to marks — what a percentile means, why scores are normalized, and how IIMs use cut-offs, with no fabricated numbers.

Marks and percentile are not the same

Your marks are the score you earn on the test, while your percentile shows how you performed relative to everyone else who took it. A percentile of, say, 90 broadly means you scored higher than about 90% of test-takers. Because admissions use percentile, your standing depends not just on your marks but on how others did.

Why CAT scores are normalized

CAT is conducted in more than one session, and different sessions can have slightly different difficulty. To be fair, the conducting IIM applies a normalization process before converting scores to percentiles, so that candidates are compared on a level basis across sessions. The exact method is defined officially.

How IIMs use percentiles

IIMs and other business schools set their own percentile cut-offs for shortlisting, which can differ by institute, programme, and category, and can change year to year. A percentile alone does not guarantee admission, since later stages such as written ability tests and interviews also count.

What this means for you

Focus on accuracy and overall performance rather than a fixed "target marks" figure, because the marks needed for a given percentile shift each year with difficulty and the candidate pool. For current cut-offs and the official normalization method, always refer to the official CAT source and each institute's announcements.

Frequently asked questions

What is the difference between marks and percentile in CAT?

Marks are your raw score; percentile shows your standing relative to other test-takers. A 90 percentile broadly means you scored higher than about 90% of candidates.

Why does CAT use normalization?

Because the test runs in multiple sessions of slightly different difficulty, normalization adjusts scores so candidates are compared fairly before percentiles are calculated. The official method is defined by the conducting IIM.

How many marks do I need for a 99 percentile?

There is no fixed answer — the marks for any percentile change each year with difficulty and the candidate pool. This guide does not quote a figure; check official sources for past trends.

Official sources

This guide explains the process and is for guidance only. Eligibility, dates, fees and rules change every year — always confirm the current details on the official site before you act.

Verified against: IIM CAT — official site.

Last verified: 2026-06-03.