Luggage Size Inch to CM Converter Table
Use this chart as a quick reference when airline rules are listed in inches but your suitcase labels are in centimeters.
Quick Facts
Inches to centimeters conversion guide that matches airline comparison needs.
- Conversion core
- 1 inch = 2.54 cm
- What to compare
- Compare same unit and same side-dimension definition (outer dimensions)
- Best use
- Use this table before you buy or pack, then confirm airline policy for your route
- Linear size note
- Checked linear size (L+W+H) can be converted as the same unit sum
1) Enter your bag outer dimensions
3) Result
Visual Reference for Common Limits
Use this visual to quickly map common airline limits (often published in inches) to what you see on luggage labels (often in centimeters).
Inch to CM Quick Conversion
This table is designed for fast decision-making: identify your label size in centimeters, convert it to inches (or vice versa), and compare against your airline limit using the same dimension definition.
| Inches | Centimeters | Usage Context |
|---|---|---|
| 22 x 14 x 9 | 55.9 x 35.6 x 22.9 | Carry-on dimensions (from airline dataset) |
| 24 x 16 x 10 | 61 x 40.6 x 25.4 | Carry-on dimensions (from airline dataset) |
| 22 x 16 x 10 | 55.9 x 40.6 x 25.4 | Carry-on dimensions (from airline dataset) |
| 22 x 18 x 10 | 55.9 x 45.7 x 25.4 | Carry-on dimensions (from airline dataset) |
| 21.7 x 15.7 x 7.9 | 55.1 x 39.9 x 20.1 | Carry-on dimensions (from airline dataset) |
| 17.7 x 14.2 x 7.9 | 45 x 36.1 x 20.1 | Carry-on dimensions (from airline dataset) |
| 18 x 14 x 8 | 45.7 x 35.6 x 20.3 | Personal item dimensions (exact, from airline dataset) |
| 15.7 x 7.9 x 9.8 | 39.9 x 20.1 x 24.9 | Personal item dimensions (exact, from airline dataset) |
| 62 linear in | 158 linear cm | Common checked linear threshold (L+W+H) |
60-Second Conversion Checklist
- Find the closest luggage dimensions on your suitcase label (use centimeters if listed).
- Convert units using the same definition airlines use (outer dimensions including wheels/handles when applicable).
- Compare your converted size to the airline’s published limit for your route and fare.
- If you are close to the limit, create a small buffer before packing to reduce gate-check risk.
Worked Example (Carry-on Baseline)
Airline baseline often appears as 22 x 14 x 9 in. Converting using 1 inch = 2.54 cm gives:
22 in → 55.88 cm, 14 in → 35.56 cm, 9 in → 22.86 cm.
In practice, airlines and guides often round to clean figures like 56 x 36 x 23 cm for readability. Always compare after rounding consistently with the airline’s published reference style.
Related Pages
- TSA carry-on size FAQType: official | Last verified: 2026-03-20https://www.tsa.gov/travel/frequently-asked-questions/what-are-size-restrictions-carry-bags