3,600 square feet
When a person speaks of a 'yard' of dirt, sand, cement or similar material, they actually mean a 'cubic yard'. A yard is a measurement of length. A cubic yard is a measurement of volume. 60 (cubic)...
A yard is 36 inches long, or 3 feet, or about nine tenths of a metre.
704,000
400 yards is 1200 feet. 1 foot is 0.305 meter. So 400 yards is 1200 x 0.305 meters, which is 366 meters.400 yards = 365.76 meters