When you are mulling over your various luggage size options, you have to think about the amount of stuff you are going to bring and the additional stuff you are going to pack when leaving the place. You wouldn't want to buy a huge travel bag for your short trip and vice versa. To avoid luggage disasters, you should get the right bag size. Here are some of the things you should consider: 1. Get to know the standard sizes today. Basically, most luggage companies measure their bags from the top of the bag up to the wheels. It does not include the measurement of the retractable handle. Moreover, they also offer information about the size of the bag if it can be expanded. A large bag has the dimensions 30x19x11 inches. A medium-sized bag has the dimensions 26x18x10 inches. A compact bag has the dimensions 25x14x8 inches and a typical cabin bag has the dimensions 19x13x7 inches. That being said, cabin bag is your smallest option. 2. You should know the capacity inside the suitcase. While a bag can look huge based on how it looks on the outside, it can still provide limited space inside. They are the ones with a lot of stuffing or inner lining. When you are buying, you have to check the main compartments. Flatten your hands on the bag to find out how thick the stuffing or the lining is. Large luggage sets can usually hold up to 100 litres stuff while the cabin bags can only hold up to 20 litres of stuff. For international trips, the large to medium sets of bags are advisable. For local or short trips, a cabin or a compact bag should be a good choice. 3. Aside from the whole size of the bag, you should also check out the material and the construction. This will also determine the size of the bag you are buying. If you are eyeing bags made from leather materials, you might opt for the smaller ones as leather can get a little heavy. Using a big bag can be quite heavy if you have a small frame. Also consider if you are buying soft cases or hard cases. You can basically store more in soft-cased luggage sets as they are equipped with extra compartments. Moreover, they are generally expandable than the hard-cased ones. The large soft-cased ones weigh about 5 kilograms. The hard-cased ones might weight a kilogram more. There are also super lightweight models that let you carry more without giving the bag an "overstuffed" appearance. You should find the right luggage size for your travel needs right now. Determining the right luggage for your needs is the first step in having a smooth-sailing vacation.