Packing 23 kg luggage for a flight to the US? Quick answer: 23 kg is 50.7 lbs. But careful with the reverse: a 50 lb allowance is only 22.7 kg, not 23. That 50 lb standard is written in pounds into US carriers’ rules (American Airlines’ checked bag policy, for instance).
For any other weight, the kg to lbs converter works it out live.
That 300-gram gap sounds like nothing. On an airport scale, it is the difference between walking through and repacking your bag in front of the queue, or paying an overweight fee that often costs more than the ticket sale you hunted for.
The baggage conversion chart
| Allowance | In the other unit | Where you meet it |
|---|---|---|
| 7 kg | 15.4 lbs | Cabin bag, many Asian and low-cost carriers |
| 10 kg | 22 lbs | Cabin bag, European low-cost |
| 23 kg | 50.7 lbs | Checked bag, international economy standard |
| 50 lbs | 22.7 kg | Checked bag, US domestic standard |
| 32 kg | 70.5 lbs | Checked bag, business and first |
| 70 lbs | 31.8 kg | US premium allowance |
Why kilos and pounds collide
Airlines write rules in their home unit. A transatlantic itinerary can involve a European leg filed in kilograms and a US domestic leg filed in pounds. Your bag did not change, the limit did. Packing to exactly 23.0 kg is fine for the 23 kg leg and 300 g over the 50 lb bag limit on the other one.
The rule of thumb: 1 kg is about 2.2 lbs. For a quick check in your head, double the kilos and add 10 percent.
How big can 23 kg luggage be?
Weight is only half of the rule. Air France, KLM, Lufthansa and Iberia pair the 23 kg suitcase with a size limit of 158 cm, length plus width plus height, handles and wheels included at KLM and Iberia. American Airlines writes the same standard bag as 62 in and 50 lb, United as 62 linear in (157 cm). Above 158 cm, Lufthansa counts the bag as excess baggage even when the scale reads under 23 kg.
Weighing without a luggage scale
Bathroom scale method for your baggage weight: weigh yourself holding the bag, then without it, subtract. Cheap scales drift, so keep a 500 g margin under the limit. If the hotel has no scale at all, the app converts what the tag or the airline site says in one tap, offline included, which is exactly the airport situation it was designed for.
Your US carrier allows 50 lbs. Your bag weighs 23.0 kg. Are you fine?
50 lbs = 22.68 kg. A bag packed to exactly 23 kg is about 300 g over a 50 lb allowance.
The app answers this kind of question in one tap.
One tap at the check-in desk
Type 23 into Conversion Calculator and read pounds, kilograms, even stones at once, with no signal in the terminal. Packing is one of the everyday scenes the app covers, and once you land, the oven in your rental kitchen speaks Fahrenheit too. For the bag that goes in the overhead locker, the cabin bag sizes by airline chart has every limit in cm and inches, and what the gate charges. For the one that goes in the hold, the checked bag allowance of 34 airlines has the weight, the size and what one kilo over costs.
Get the app free before your next check-in.