Carry-on clarity before the gate
Will your bag fit?
Check one airline or a whole route. See dimensions, weight, personal-item rules, fees, and the strictest leg before the gate.
- airlines
- 169 active
- comparisons
- 119
- guides
- 1,200+
- tools
- Free
Live preview — sample bag
55×40×20 cm
85
fit/limit
0
personal
Free
no account
Sample result. Scroll down to check your own bag.
- ✓ 169 active airlines
- ✓ every rule links to its official source
- ✓ multi-airline route check
- ✓ free, no account
Check your bag
Full checker →More tools
Route Compliance
Check a multi-segment route — each airline, strictest leg wins.
Fee Calculator
Estimate overweight, oversize, and extra bag fees before you fly.
Compare Airlines
Side-by-side carry-on policy comparison for any two airlines.
Best Picks
Top-rated carry-on bags, packing cubes, and travel accessories.
Popular guides
All guides →Why CarrySizer?
Always sourced
Every rule links to its airline source. We distinguish a recorded check from manual verification.
All classes covered
Economy, premium economy, business, first — limits differ and we track them.
Real-world tools
Not just tables. Check your exact bag, plan a multi-leg route, calculate fees.