Carry-on Luggage Checker
Lifestyle Tools3 airline standards, volume
Quick Answer
Carry-on Luggage Checker: 3 airline standards, volume. Carry-on Luggage Checker uses standard everyday life formulas to compute accurate results instantly.
Airline
cm
cm
cm
kg
Air China verdict
FAIL
limit 20×40×55 cm / 5 kg
SizeOK
WeightOver 4.0 kg
Headroom—
Check steps
- 1Size check (sorted): yours 55×40×20 vs limit 55×40×20 → OK
- 2Weight 9 kg vs limit 5 kg → over by 4.0 kg
- 3Liquids: ≤100ml per container, all in one 1L transparent bag. Power banks ≤100Wh carry-on only.
Same bag across airlines
| Airline | Limit | Verdict |
|---|---|---|
| Air China | 5 kg | Over |
| China Eastern | 8 kg | Over |
| China Southern | 8 kg | Over |
| Hainan Airlines | 7 kg | Over |
| Spring Airlines | 7 kg | Over |
| Cathay Pacific | 7 kg | Over |
| Singapore Airlines | 7 kg | Over |
| Emirates | 7 kg | Over |
国内 20kg / 国际 23kg. Rules change frequently — verify on the airline's official page before departure, especially for codeshare flights where the operating carrier's rules apply.
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How to Use
- Enter scenario values: fill real-life numbers into the Carry-on Luggage Checker (defaults work for a quick try).
- Instant results: everything computes live, no button needed.
- Read the advice: results come with practical tips, reference standards and pitfalls.
- Compare options: adjust parameters to compare choices side by side.
Key Points
- Carry-on Luggage Checker is a free online everyday life tool — open and use, no sign-up.
- All calculations run locally in your browser; your data never leaves the device.
- Key capability: 3 airline standards, volume.
- Results come with formulas and reference tables so you can verify every number.
Formula & How It Works
Carry-on Luggage Checker formula
Carry-on Luggage Checker uses standard everyday life formulas to compute accurate results instantly.
FAQ
How do I use the Carry-on Luggage Checker?
Open the page and fill in the input fields — results update automatically. 3 airline standards, volume.
Are the results accurate?
Yes. Standard formulas and conversion factors are used and verified.
Is it free? Do I need to sign up?
Completely free. No registration, login or download required.
Does it work on mobile?
Yes. The responsive design works on phones, tablets and desktops.
Is my data saved?
No. Everything runs locally in your browser.
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Source & Updates
Based on common formulas and industry conventions. Last updated: 2025-07
Last updated:
Formulas and content on this page are reviewed by the YiJianSuan team. For reference only — official sources prevail.
Maintained and periodically reviewed by the YiJianSuan editorial team — review process in ourEditorial Policy.
Cite this page: YiJianSuan. Carry-on Luggage Checker[EB/OL]. https://www.yijiansuan.com/en/c/life/luggage
Results provided by this tool are for reference only and do not constitute professional advice.