The size of a 4-man tent can vary depending on the manufacturer and the specific design of the tent. Generally, a 4-man tent is designed to comfortably accommodate four average-sized adults for sleeping purposes. However, it's important to keep in mind that the actual dimensions and layout of the tent can vary.
A typical 4-man tent might have dimensions around 8 feet by 8 feet (2.4 meters by 2.4 meters) for the floor area, with a peak height of around 5 to 6 feet (1.5 to 1.8 meters). These dimensions provide enough space for four sleeping pads or air mattresses, with some extra room for gear storage.
It's worth noting that the capacity listed by manufacturers is often based on the assumption that occupants will be using sleeping pads or mattresses without additional gear storage space. If you plan to store a lot of gear inside the tent along with four people, you may find that a larger tent is more comfortable.
When selecting a tent, it's also important to consider factors like the tent's shape, peak height, and layout to ensure it meets your specific needs and preferences for camping comfort.