NUST Grading System & Academic Guide
National University of Sciences and Technology (NUST) is a public research university established in March 1991 with its main campus in Sector H-12, Islamabad. NUST is a federally chartered, multi-campus university comprising 21 constituent colleges, schools, and centers across Islamabad, Rawalpindi, Risalpur, Karachi, and Quetta. The President of Pakistan serves as Chancellor. NUST offers 39 undergraduate, 73 MS, and 47 PhD programs in engineering, IT, biosciences, management, social sciences, architecture, and law. In QS World University Rankings 2024, NUST holds the 353rd position globally, ranks 2nd in Pakistan, and 1st nationally in Computer Science, Engineering, and multiple other disciplines.
NUST GPA Calculator
The GPA calculator above uses the official NUST grading scale sourced directly from the NUST Undergraduate Student Handbook (August 2024). A critical difference from most Pakistani universities: NUST follows a relative grading system, meaning your letter grade depends not just on your marks but also on the overall class performance. However, the grade point value assigned to each letter grade is fixed across the entire university.
To calculate your semester GPA at NUST, select the letter grade for each course and enter the credit hours. The tool applies the same weighted average formula used by the Examination Branch across all 21 NUST constituent institutions, from SEECS and NBS in Islamabad to PNEC in Karachi and MCE in Risalpur.
NUST uses a unique 8-grade system for undergraduates (A, B+, B, C+, C, D+, D, F) without any minus grades (no A-, B-, or C-). This is fundamentally different from the standard HEC 11-grade system used by COMSATS, FAST, and most other Pakistani universities.
NUST CGPA Calculator
The CGPA calculator computes your cumulative grade point average across all semesters at NUST. Enter your semester-wise GPA and total credit hours for each completed semester, and the tool generates your overall CGPA on the 4.0 scale.
Your CGPA at NUST determines academic standing, eligibility for the Dean's List, Rector's List, scholarship awards, and whether you meet the minimum graduation requirement of 2.00 (or 2.50 for BBA, BS Economics, BS Public Administration, BS Mass Communication, BS Accounting & Finance, and BS Psychology programs). The academic deficiency system at NUST includes warning, probation, suspension, and withdrawal stages.
NUST uses the conversion formula: Percentage = (CGPA × 25) − 12.5. For example, a CGPA of 3.00 equals (3.00 × 25) − 12.5 = 62.5%. This is different from the standard HEC formula used by most universities.
NUST Grading System
NUST follows a relative grading system on a scale of 1.00 to 4.00 grade points. In relative grading, your final letter grade is determined not only by your absolute marks but also by the performance distribution of the entire class. This means even high marks may result in a B+ if the class average is high, and a moderate score could earn an A if the class average is low.
Despite the relative grading for letter grade assignment, the grade point value for each letter grade is fixed and uniform across all NUST institutions. The grading table below is sourced from Chapter 2, Section 19 of the NUST Undergraduate Student Handbook (August 2024).
NUST Undergraduate Grading Scale (Official)
| Letter Grade | Grade Points | Remarks |
|---|---|---|
| A | 4.00 | Highest grade |
| B+ | 3.50 | |
| B | 3.00 | |
| C+ | 2.50 | |
| C | 2.00 | |
| D+ | 1.50 | Undergraduate only |
| D | 1.00 | Undergraduate only. Minimum to earn course credits. |
| F | 0.00 | Fail. Must repeat the course. |
Critical difference from other Pakistani universities: NUST does not use A-, B-, or C- grades. The scale jumps in 0.50 increments (4.00, 3.50, 3.00, 2.50, 2.00, 1.50, 1.00) rather than the 0.33 increments (4.00, 3.67, 3.33, 3.00, 2.67...) used by most HEC-aligned universities. This means there are fewer grade levels and larger gaps between each grade point value.
No fixed percentage ranges: Because NUST uses relative grading, there are no fixed percentage-to-grade mappings like "85% = A" or "75% = B+". Your grade depends on where you fall within the class distribution. The only exception is the School of Art, Design & Architecture (SADA), which uses absolute grading with fixed percentage ranges for some courses.
Graduate programs (MS/PhD): D+ and D grades do not exist at the graduate level. The minimum passing grade for MS/PhD students is C (2.00 grade points).
Special Transcript Notations at NUST
| Notation | Meaning | CGPA Impact |
|---|---|---|
| I | Incomplete (student missed exam/coursework due to illness or approved reasons, with 75%+ attendance) | Not counted. Converts to F if not cleared within stipulated time. |
| W | Dropped course (allowed up to 8th week of regular semester, 5th week of summer) | No CGPA impact. Max 2 per semester, max 4 accumulated during entire degree. |
| Q | Qualified (for specified non-graded courses like Community Service, Internship) | Not counted in CGPA. Required for degree completion. |
| T | Transfer (credits transferred from another institution) | Appears on transcript but not used in CGPA calculation. |
| XF | F grade due to attendance below 75%. Can only be cleared by repeating the full course. | Counted as 0.00 grade points, same as F. Cannot appear in retest. |
W grade restrictions: Students with W on their transcript are not eligible for academic honors/awards except the Rector's Gold Medal. Maximum 2 W's per semester and maximum 4 accumulated W's during the entire degree. Students taking less than a regular semester load are also ineligible for academic honors.
Assessment Weightage at NUST
NUST uses the following grading scheme for Engineering, IT, and Sciences programs:
| Assessment Component | Weightage |
|---|---|
| End Semester Examination (2-3 hours) | 40 – 50% |
| Mid Semester Exam / One Hour Tests (OHTs) | 25 – 35% (or 30-40% for OHTs) |
| Quizzes (minimum 2-3 per course) | 10 – 15% |
| Assignments | 5 – 10% |
| Projects (if applicable) | 10 – 20% |
For lab courses, the weightage is: Lab Work/Reports (50-70%), Lab Project/Open-ended Lab (10-20%), and Final Assessment including viva and hands-on experimentation (20-30%). For courses combining theory and practical, the final grade is computed by weighting each component by its credit hours. For example, a Physics course with 3 theory credits and 1 lab credit: Overall = (Theory% × 3 + Lab% × 1) ÷ 4.
How to Calculate GPA at NUST
GPA at NUST is calculated using the standard credit-weighted average formula:
SGPA = Sum of (Course Credit Hours × Grade Points Earned) ÷ Total Credit Hours of the Semester
One credit hour at NUST means one lecture hour (including a 10-minute break) per week per semester. For lab work, one credit hour equals three contact hours per week. For studio courses at SADA, one credit hour equals two contact hours.
GPA Calculation Example
| Course | Credit Hours | Grade | Grade Points | Quality Points |
|---|---|---|---|---|
| Calculus I | 3 | A | 4.00 | 12.00 |
| Programming Fundamentals | 4 | B+ | 3.50 | 14.00 |
| Physics | 4 | B | 3.00 | 12.00 |
| English Composition | 3 | A | 4.00 | 12.00 |
| Islamic Studies | 2 | C+ | 2.50 | 5.00 |
Step 1: Quality points for Calculus I: 4.00 × 3 = 12.00
Step 2: Total quality points = 12.00 + 14.00 + 12.00 + 12.00 + 5.00 = 55.00
Step 3: Total credit hours = 3 + 4 + 4 + 3 + 2 = 16
Step 4: SGPA = 55.00 ÷ 16 = 3.44
This student's semester GPA is 3.44. Note the 0.50 grade point jumps between grades: the difference between A (4.00) and B+ (3.50) is only 0.50, whereas at universities using the HEC 11-grade system, the difference between A (4.00) and A- (3.66) is 0.34. NUST's fewer grade levels mean each grade step has a larger impact on your GPA.
How to Calculate CGPA at NUST
CGPA aggregates all courses across all semesters:
CGPA = Sum of (Credit Hours × Grade Points for all courses in all semesters) ÷ Total Credit Hours of all Semesters
When a course is repeated, the student's transcript shows both the old and new grades, but the better grade is used in CGPA computation.
CGPA Calculation Example
| Semester | Credit Hours | Total Quality Points | SGPA |
|---|---|---|---|
| Semester 1 | 16 | 55.00 | 3.44 |
| Semester 2 | 18 | 57.00 | 3.17 |
| Semester 3 | 17 | 54.50 | 3.21 |
CGPA: Total Quality Points = 55.00 + 57.00 + 54.50 = 166.50. Total Credit Hours = 16 + 18 + 17 = 51. CGPA = 166.50 ÷ 51 = 3.26
CGPA to Percentage Conversion
NUST uses a unique conversion formula that differs from the standard HEC formula:
NUST Formula: Percentage = (CGPA × 25) − 12.5
Using this formula, a CGPA of 3.26 converts to: (3.26 × 25) − 12.5 = 81.5 − 12.5 = 69.0%. This gives a lower percentage than the standard HEC formula (which would give 81.5%), so students should always specify which conversion method they are using for job applications or further studies.
| CGPA | Percentage (NUST Formula) | Academic Standing |
|---|---|---|
| 4.00 | 87.5% | Highest Distinction |
| 3.50 | 75.0% | Dean's List / Merit Scholarship |
| 3.00 | 62.5% | Good Standing |
| 2.50 | 50.0% | Minimum for BBA/BS Social Sciences Graduation |
| 2.00 | 37.5% | Minimum for Engineering/IT Graduation |
| Below 2.00 | Below 37.5% | Probation / Withdrawal Risk |
Academic Standing and Deficiency Rules at NUST
NUST has a four-tier academic deficiency system: Warning, Probation, Suspension, and Withdrawal. The system is more detailed than most Pakistani universities and includes specific rules for F grade accumulation.
Academic Deficiency Conditions
A student is academically deficient if any of these conditions occur: F/XF grade in any course, semester GPA below 2.00, CGPA below 2.00, Incomplete (I) grade in any course, or less than C grade in final year project for BE/BS programs.
Deficiency Stages
| Stage | Condition | Consequence |
|---|---|---|
| Warning | SGPA below 2.00 or F/XF grade but does not qualify for probation | Written cautionary statement. Student must contact faculty for guidance. |
| Probation | CGPA below 2.00 (not applicable in first semester) | Student continues but must improve. Required to keep complete records of all coursework. |
| Suspension | Attendance below 75% on medical grounds, or absent 30-45 consecutive days without valid reason | Not allowed to continue regular academic activities for a specified period. |
| Withdrawal | 7+ accumulated F/XF grades, OR 4 consecutive probations, OR cannot complete degree within 7 years, OR 5+ F/XF grades in first semester only | Permanently removed from the university. No re-admission. |
First semester protection: The probation rule does not apply to the first semester. However, earning 5 or more F/XF grades in the first semester alone results in immediate withdrawal.
F grade counting: If a student fails in a subject and after repeating fails again (regardless of how many times they repeat), only one F is counted. This prevents repeated failures in a single difficult course from rapidly triggering the 7-F withdrawal threshold.
Minimum CGPA and Degree Requirements
| Program Type | Minimum CGPA | Duration (Min – Max) | Credit Hours |
|---|---|---|---|
| BE / BS (Engineering, IT, Sciences) | 2.00 | 4 – 7 years | 129 – 142 (varies by program) |
| BS (BBA, Economics, Public Admin, Mass Comm, Accounting & Finance, Psychology) | 2.50 | 4 – 7 years | 129 – 138 |
| Bachelor of Architecture | 2.00 | 5 – 8 years | 182 |
| Bachelor of Laws (LLB) | 2.00 | 5 – 8 years | 171 |
Repeat Course and F Grade Policy at NUST
F/XF Grade Clearance: A student repeats a course to clear an F or XF grade. It is the student's responsibility to clear failed courses, subject to resource availability and Dean/HoD approval. Both old and new grades appear on the transcript, but the better grade is used in CGPA computation. Students who repeat to clear F grades are not eligible for academic honors/awards except the Rector's Gold Medal.
XF vs F distinction: XF (attendance-based failure) can only be cleared by repeating the entire course including attendance. F (academic failure) is eligible for a retest of the End Semester Examination if the failed course is a pre-requisite for the next semester. The retest must be completed within the first 6 academic weeks of the next semester, and the maximum achievable grade in a retest is D (1.00 grade points).
CGPA Improvement: Students may repeat courses to improve their CGPA with HoD permission. The better grade is used for CGPA computation. Students cannot improve CGPA after degree completion. Students who repeat for improvement are not eligible for top academic honors except the Rector's Gold Medal.
Alternative Elective: A student may take a different elective in place of a failed elective course with Dean approval. Both courses appear on the transcript, but the better grade counts.
Course Dropping: Courses can be dropped up to the 8th week of a regular semester (5th week of summer semester) with HoD and Dean approval. The dropped course appears as W on the transcript.
Semester System and Deferment at NUST
NUST operates Fall and Spring semesters plus an optional summer semester (for deficiency, failure, and repetition courses only). The standard undergraduate program is 8 regular semesters (4 years) with a maximum of 7 years to complete the degree. Architecture programs have a 10-semester minimum (5 years) and 8-year maximum.
Students register for a minimum of 12 credit hours and a maximum of 21 credit hours per regular semester. For MS, the range is 6-12 credit hours. The 75% attendance rule is strictly enforced with no exceptions. Students below 75% receive an automatic XF grade.
Deferment (semester freeze) requires 25% tuition fee payment to maintain registration. Deferment must be requested before the semester starts, or in exceptional cases by the 2nd week. During deferment, students may repeat previously studied courses but cannot take new courses. First-semester deferment requires full tuition fee payment (non-refundable).
If a student remains absent for 45+ consecutive days without valid reason, their registration is suspended. Re-admission requires having completed at least one year of studies, recommendation by the institution, payment of admission fee plus 50% tuition for the absence period, and sufficient time remaining to complete the degree.
Constituent Institutions at NUST
| Institution | Location | Focus Area |
|---|---|---|
| School of Electrical Engineering & Computer Science (SEECS) | Islamabad | EE, Computer Engineering, Software Engineering, CS |
| NUST Business School (NBS) | Islamabad | BBA, Accounting & Finance, Economics |
| School of Mechanical & Manufacturing Engineering (SMME) | Islamabad | Mechanical Engineering |
| School of Civil & Environmental Engineering (SCEE) | Islamabad | Civil, Environmental, Geoinformatics Engineering |
| School of Chemical & Materials Engineering (SCME) | Islamabad | Chemical Engineering, Materials Engineering |
| Atta Ur Rahman School of Applied Biosciences (ASAB) | Islamabad | Biotechnology, Bioinformatics, Food Science |
| School of Natural Sciences (SNS) | Islamabad | Mathematics, Physics, Chemistry |
| School of Social Sciences & Humanities (S3H) | Islamabad | Mass Communication, Public Administration, Psychology |
| School of Art, Design & Architecture (SADA) | Islamabad | Architecture, Industrial Design |
| NUST School of Health Sciences (NSHS) | Islamabad | MBBS, Nutrition, Health Sciences |
| NUST Law School (NLS) | Islamabad | LLB |
| Military College of Engineering (MCE) | Risalpur | Military Engineering |
| Military College of Signals (MCS) | Rawalpindi | Telecom, Software Engineering |
| College of E&ME (C of E&ME) | Rawalpindi | Electrical, Mechanical, Mechatronics Engineering |
| Pakistan Navy Engineering College (PNEC) | Karachi | Naval Architecture, EE, CS |
| College of Aeronautical Engineering (CAE) | Risalpur | Aerospace, Avionics Engineering |
| NUST Balochistan Campus (NBC) | Quetta | IT, Management Sciences |
