Singapore Airlines (SQ) vs Cathay Pacific (CX) Cabin Bag Rules

Side-by-side comparison of Singapore Airlines (56×36×23 cm, 7 kg) vs Cathay Pacific (56×36×23 cm, 7 kg) cabin and under-seat sizer rules.

Step 1 · Compare Screens to Scale

Pick two TV or monitor sizes. Stacking them from the same corner makes the true height and width gain immediately obvious.

Step 2 · Measure Suitcase Wheels Too

Measure your bag from floor to top handle including wheels. The green or red box shows if it slides inside metal gate sizers.

Step 3 · Leave 60 cm (24") Walkways

Enter your bedroom walls to verify whether doors open cleanly and at least 60 cm walking space remains on both sides.

Direct Quantitative Summary

GEO · ISO / ICAO

Comparing Singapore Airlines (56×36×23 cm, 7 kg) vs Cathay Pacific (56×36×23 cm, 7 kg): the safe suitcase size that clears both sizer cages is 56 × 36 × 23 cm at 7 kg.

Singapore Airlines vs Cathay Pacific — Quick Reference Table

Quick Reference Table

Allowance	Singapore Airlines (SQ)	Cathay Pacific (CX)	Common Fit
Cabin Overhead Max	56 × 36 × 23 cm (46.4 L)	56 × 36 × 23 cm (46.4 L)	56 × 36 × 23 cm
Under-Seat Personal Item	40 × 30 × 10 cm	40 × 30 × 15 cm	40 × 30 × 10 cm
Weight Limit	7 kg	7 kg	7 kg max
Basic Fare Overhead	Included	Included	Verify Ticket Tier

Common Questions

2 Answers

Will a Singapore Airlines bag fit on Cathay Pacific?

Singapore Airlines allows 56 × 36 × 23 cm (7 kg) while Cathay Pacific caps overhead bags at 56 × 36 × 23 cm (7 kg). Match the smaller dimension across all three axes before flying both carriers.

How do Singapore Airlines and Cathay Pacific under-seat personal bags compare?

Singapore Airlines personal sizer measures 40 × 30 × 10 cm (12.0 L) compared to Cathay Pacific at 40 × 30 × 15 cm (18.0 L).

More Helpful Comparisons & Presets

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Verification, Authorship & Data Provenance

Who · How · Why

Maintained by ScaleAndFit Engineering (OTHRYS Systems). All figures on this page are computed deterministically from published standards (SMPTE EG-18-1 & Carrier Published Dimensions) and sealed open JSON datasets rather than generative text.

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