There are many different types of sizes of used cargo containers but the most common sizes are 10 ft, 20 ft, and 40 ft. Standard cargo containers are 8.5' high, and 8' wide. A 10 foot used cargo container can usually store a standard one car garage or one large bedroom full of goods. A 20 foot used cargo container can usually store roughly a two car garage full of stuff or a standard one bedroom apartment. A 40 foot used cargo container can roughly store two times the size of a two car garage or as much as a three to four bedroom house. Used cargo containers can also be refurbished depending on needs. You can get used storage containers with roll up doors, side doors, ventilation shafts, shelving, and air conditioning among other things. The most popular sizes of used cargo containers on the market include: