Singapore GPA Conversion Calculator & Grading Scale

Convert Singapore NUS/NTU 5.0 CAP to US 4.0 GPA

Singapore Grade: A+ / A (5.00 CAP) 85% – 100%
US 4.0 GPA Equivalent
4.00
US Letter Grade
A / A+
•Honours (Highest Distinction)
Converted using standard World Education Services (WES) & UK ENIC credential equivalency scales.
Singapore Conversion Scale
A+ / A (5.00 CAP)85% – 100%
4.0 GPAA / A+
A- (4.50 CAP)80% – 84%
3.7 GPAA-
B+ (4.00 CAP)75% – 79%
3.3 GPAB+
B (3.50 CAP)70% – 74%
3.0 GPAB
B- (3.00 CAP)65% – 69%
2.7 GPAB-
C+ / C (2.0–2.5 CAP)55% – 64%
2.0 GPAC
D+ / D (1.0–1.5 CAP)45% – 54%
1.0 GPAD
F (0.00 CAP)< 45%
0.0 GPAF

About Singapore Grading System & US GPA Conversion

National University of Singapore (NUS) and Nanyang Technological University (NTU) use a 5.0 CAP scale with Honors degree classifications based on cumulative CAP scores.

Conversion Methodology

NUS and NTU Registrar Academic Regulations and WES Singapore equivalency benchmarks.

Scoring Standards

A+ / A (5.0 / 85%+) = 4.0, A- (4.5 / 80–84%) = 3.7, B+ (4.0 / 75–79%) = 3.3, B (3.5 / 70–74%) = 3.0, B- (3.0 / 65–69%) = 2.7, C+ (2.5) = 2.3, C (2.0) = 2.0, D+ (1.5) = 1.3, D (1.0) = 1.0, F = 0.0.

Authority References:NUS Registrar Academic Structure •NTU Academic Grading Guidelines

Frequently Asked Questions: Singapore Grades & GPA

What CAP is required for First Class Honours at NUS?

A minimum Cumulative Average Point (CAP) of 4.50 out of 5.00 is required for Honours (Highest Distinction).

Explore All 20 International GPA Scales

Select any country to view official credential evaluation and US 4.0 GPA equivalence tables.

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Academic Calculation Formulas & Frequently Asked Questions

Everything you need to know about calculating college GPA, weighted high school credits, test curves, and final exam scores.

How to Calculate College & Weighted GPA

Your Grade Point Average (GPA) represents the average quality points earned across all credit hours. On a standard unweighted 4.0 GPA scale, grades are assigned fixed values: A (4.0), B (3.0), C (2.0), D (1.0), and F (0.0).

With a weighted GPA calculator, rigorous courses award bonus points: Honors (+0.5 weight, 4.5 max) and AP / IB / Dual Enrollment (+1.0 weight, 5.0 max).

GPA = Σ(Grade Points × Credits) / Total Credits

What Grade Do I Need on My Final Exam?

To calculate the minimum test score needed on your final exam to pass or secure a target letter grade (such as an A or B), determine your current overall class percentage and the final exam weighting.

Use the formula below or enter your grades into our instant final grade calculator to test what-if scenarios in seconds.

Score Needed = [Target - Current × (1 - Weight)] / Weight

How Grade Curve Normalization Works

Professors frequently apply curves to adjust test scores when exam difficulty is unusually high. The Square Root Curve (10 × √Raw Score) is the standard academic method, offering larger point boosts to lower raw scores while fairly rewarding top performers.

Alternatively, linear scaling boosts the highest student score to 100% and scales all submissions proportionately.

Square Root Curve = 10 × √(Raw Score)

International Credential & WES GPA Scales

When applying for US university admissions or study abroad programs, international grading systems require conversion. UK First-Class Honours (70%+) equates to a 4.0 US GPA. Indian 10-point CGPA systems convert via official university division boundaries.

German grades use the Modified Bavarian Formula where 1.0 (Sehr Gut) translates to a 4.0 GPA.

Standard WES & UK ENIC alignedRead Full Guide