External Length: 20 ft 6.06m External Width: 8 ft 2.44m External Height: 9 ft 6 in 2.89–2.90m Internal Length: 19 ft 4 in 5.89–5.90m Internal Width: 7 ft 8 in 2.35m Internal Height: 8 ft 10 in 2.69–2.70m Door Width: 7 ft 8 in 2.34–2.35m Door Height: 8 ft 6 in 2.58–2.59m Door Opening Width: 2.34m - 2.35m