what size is a medium suitcase

According to the search results, a medium suitcase is usually between 23 to 26 inches (58 to 68 cm) in height and has a capacity of up to 75 liters. The standard medium suitcase size is 60x43x26cm (24x17x10.5 inches) . Medium-sized check-in luggage measures 25-26” tall and around 18” wide. A medium suitcase is a good option for a trip of 7 days maximum.