Conducting Body: Indian Institutes of Science Education and Research (IISERs) National Level Entrance Exam 2026
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IISER IAT: IISER Aptitude Test

Comprehensive student gateway for 5-Year BS-MS Dual Degree across 7 IISERs (Pune, Kolkata, Mohali, Bhopal, Thiruvananthapuram, Tirupati, Berhampur) & IISc BS admissions. Access official registration schedule, question papers with solutions, cutoff ranks, college predictors, and counselling guides.
5-Year BS-MS Dual Degree across 7 IISERs (Pune, Kolkata, Mohali, Bhopal, Thiruvananthapuram, Tirupati, Berhampur) & IISc BS Duration: 3 Hours (180 Minutes) Mode: Computer Based Test (CBT) Total Marks: 240 Frequency: Once a Year (June) Fee: ?2,000 (General/OBC) / ?1,000 (SC/ST/PwD)
240
Total Score
10
PYQ Papers (PDF)
10
Cutoff Records
3 Hours (180 Minutes)
Time Allotted
National
Exam Scope
Overview Admit Card IISER IAT Centralized Admission Counselling Question Paper Cutoff Preparation Mock Test Paper Analysis College Predictor Rank Predictor News & Dates Participating Colleges Score Calculator
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Marking Scheme Formula Interactive Score Tool Cutoff Clearance Verdict Minimizing Negative Marks Calculator FAQs

IISER IAT Raw Score Calculator 2026

Instant Scoring Tool

Calculate your exact raw score based on the official IISER IAT marking scheme. Enter your correct, incorrect, and unattempted questions to calculate your net score.

+4 marks per correct
-1 mark penalty per wrong
0 marks (No penalty)
Calculated Raw Score
170
✓ Strong Qualifying Score! High probability of clearing Tier-1 Cutoffs.

How Negative Marking Drastically Impacts Your Rank

In high-density competitive exams like IISER IAT, a difference of just 5 marks can shift your All India Rank by 10,000 to 20,000 ranks. Avoid guessing answers blindly. Only attempt ambiguous questions when you can logically rule out at least 2 incorrect options.

Frequently Asked Questions (FAQs) – Score Calculator

How does the IISER IAT Score Calculator evaluate marks?
The calculator multiplies your correct answers by the exam's positive mark weightage (e.g. +4) and deducts penalty marks for wrong attempts (e.g. -1), giving your exact raw score instantly.
Do unattempted questions incur negative marking?
No. Unattempted or unanswered questions carry zero marks and do not attract any negative penalty.

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