Carry-On Bag Size & Weight Checker 2026
Enter your bag’s three sides and weight to compare them with the selected airline’s carry-on allowance from an official source.
Quick answer
Cabin-bag size depends on the airline, flight type and fare. 55 × 40 × 23 cm is common, but free under-seat bags, Light fares and Priority allowances are different.
Economy includes 1 cabin bag; Turkish Airlines also lists a 40 × 30 × 15 cm, 4 kg personal item.
Carry-On Bag Size & Weight Checker
The order does not matter; the checker compares your largest, middle and smallest sides.
Leave it blank if you do not know it. If the profile has no numeric weight limit, the result says so.
Check result
Fits this profile
Largest side
55 cm
Allowed: 55 cm
Fits this profile
Middle side
40 cm
Allowed: 40 cm
Fits this profile
Smallest side
23 cm
Allowed: 23 cm
Fits this profile
Weight check
8 kg
Allowed: 8 kg
Fits this profile
Allowance details
Economy includes 1 cabin bag; Turkish Airlines also lists a 40 × 30 × 15 cm, 4 kg personal item.
Dimensions are compared against the selected airline profile. For codeshares or connections, the operating airline and the allowance shown on your ticket control.
Which airlines and fares are covered?
Verified profiles cover Turkish Airlines, Pegasus, SunExpress and AJet in Türkiye, plus Wizz Air and Ryanair globally.
Türkiye
Turkish Airlines
- Economy cabin bag55 × 40 × 23 cm / 8 kg
- Personal item40 × 30 × 15 cm / 4 kg
Pegasus
- Domestic cabin bag55 × 40 × 23 cm / 8 kg
- International Light under-seat bag40 × 30 × 15 cm / 3 kg
- International Super Eco and above cabin bag55 × 40 × 23 cm / 8 kg
SunExpress
- SunLight under-seat bag40 × 30 × 20 cm / 4 kg
- SunValue / SunEco+ / SunComfort cabin bag55 × 40 × 23 cm / 8 kg
AJet
- Domestic cabin bag55 × 40 × 23 cm / 8 kg
- International personal item40 × 30 × 15 cm / 4 kg
Global
Wizz Air
- Free under-seat carry-on40 × 30 × 20 cm
- WIZZ Priority trolley bag55 × 40 × 23 cm / 10 kg
Ryanair
- Free small personal bag40 × 30 × 20 cm
- Priority 10 kg cabin bag55 × 40 × 20 cm / 10 kg
How it works
- 1Choose the Türkiye or Global airline group.
- 2Choose the airline and the baggage allowance on your ticket.
- 3Enter the three sides and weight, then review the separate dimension and weight checks.
Coverage and freshness
Limits come from official airline baggage pages and show a last-checked date. An airline may apply special rules by ticket, route, aircraft or airport; check your booking and the official source again before travel.
Frequently asked questions
What size is a carry-on bag?
There is no universal size. The standard profiles in this checker commonly use 55 × 40 × 23 cm, while free under-seat bags and Light fares are smaller.
What are the Wizz Air cabin bag dimensions?
Wizz Air’s free under-seat bag is listed as 40 × 30 × 20 cm. WIZZ Priority adds a trolley bag up to 55 × 40 × 23 cm and 10 kg.
How big can my personal item be?
The limit depends on the airline and fare. The profiles here range from 40 × 30 × 15 cm for some Turkish-airline personal items to 40 × 30 × 20 cm for Wizz Air and Ryanair.
What is the Ryanair small bag size?
Ryanair’s current official bag policy lists a 40 × 30 × 20 cm small personal bag under the seat. Priority & 2 Cabin Bags adds a 55 × 40 × 20 cm, 10 kg cabin bag.
What happens if my cabin bag is too large?
The airline may refuse it at the gate, place it in the hold or charge a fee. Check the allowance on your booking and the operating airline’s current policy.