Although there are various shapes and sizes, most 23 kg suitcases have large and extra large suitcase dimensions and are appropriate for checked-in travel on airlines. Typically, a 23kg suitcase size will have the following measurements: Length: 71-81 cm (28-32 inches )Width: 43-51 cm (17-20 inches)
Large suitcases have a height of around 75cm. These suitcases are ideal for a 2 to 3-week trip, like to the French Riviera. The suitcases have a capacity of about 75 to 91L, which equals to about 15 to 20kg of luggage.
50-75 liters: For a trip that lasts one to two weeks, many people jump up to a bag in this range. 75 liters-100+ liters: For big expeditions, travelers typically need several large bags that can hold 75 liters or more each. (Keep in mind, of course, that the larger the bag, the heavier it is to haul.
How do I know if my luggage is 23 kg? Another method to measure your luggage without a scale is to simply lift it with one hand. Assuming that your baggage allowance is 50 pounds (23 kilograms), most people typically struggle to lift items weighing more than this weight with one hand.