Yes, 7kg (15.4 lbs) is the standard maximum weight limit for "hand carry" or cabin baggage for the majority of airlines globally, particularly in 2026. This limit is strictly enforced by low-cost carriers like AirAsia, IndiGo, and Jetstar, but it is also the standard for many full-service airlines like Singapore Airlines, Emirates, and Qatar Airways. The weight is intended to ensure that overhead bins are not overloaded and that passengers can safely lift their own bags. Some legacy carriers like Air India or Lufthansa might allow slightly more (8kg), and U.S. domestic airlines often do not have a specific weight limit as long as the bag fits in the sizer. However, for most international travel, 7kg is the "magic number." If your bag exceeds this, you may be forced to check it at the gate and pay a high fee. It is always wise to use a portable luggage scale to ensure your backpack or small suitcase stays under this threshold before you head to the airport.