JetSMART carry-on size and weight in 2026
JetSMART (Chile, IATA code JA) allows cabin bags up to 55 cm long, 35 cm wide and 25 cm deep; the weight limit is 10 kg.
The dimensions include wheels, handles and outer pockets. A soft bag can usually be squeezed a little, but a hard-shell suitcase cannot lose that extra centimetre — and that is exactly when gate staff ask you to pay.
Instead of guessing, open Kalibrator: pick JetSMART, enter the size of your suitcase or bag and see in 3D whether it fits the sizer and where exactly it sticks out.
Source: official JetSMART rules. Data as of 2026-11-03.

Frequently asked questions
What is the JetSMART carry-on size?
Up to 55×35×25 cm (length × width × depth), including wheels and handles.
How much can JetSMART hand luggage weigh?
Up to 10 kg.
How do I check whether my suitcase fits?
Open Kalibrator with JetSMART selected and enter three dimensions — the site shows your suitcase in a 3D sizer and tells you where it sticks out.
How accurate is this data?
The allowances come from the airline's official website (link below). Rules change from time to time, so check with the airline before your flight.