What is the average size of an armchair？

· Seat width: 20 to 24 inches (50 to 60 cm)

· Seat depth: 22 to 24 inches (56 to 61 cm)

· Seat height: 16 to 20 inches (40 to 50 cm)

· Overall width: 30 to 36 inches (76 to 91 cm)

· Overall depth: 32 to 38 inches (81 to 97 cm)

· Overall height: 36 to 42 inches (91 to 107 cm)

These dimensions are approximate and can vary, so it's always a good idea to check the specific measurements of an armchair if you're considering purchasing one to ensure it fits well in your space.