400 square meters is 4,305.56 square feet.
400 square feet are 37.16 square meters. Scroll down to related links and look at "Conversions of area and surface units".
400 meters = 1312.33596 feet
Answer: 1 m² = 10.7639 ft² so:400 x 10.7639 = 4305.564 ft²
400 square feet = 37.16 square meters.
400 square meters are 4.3 thousand square feet.
1 foot = 0.3048 meter 400 sq feet = 400 x 0.3048 x 0.3048 sq meters
400 square ft = 37.16 square m