take lenght of one size and multiply it by itself.
Surface Area: 1,001,450 square km or 386662 square miles
Squares do not have a surface area. They simply have an area. This square's area is 144m^2
Surface Area=length x width
Volume does not, surface area does.
France has a surface area of about 220,668 square miles (571,530 square kilometers).
Surface area of a 3 inch square is 54 inches.
Mars' surface area is 55.91 million square miles.
The moon has a surface area of about 37.93 million square kilometers.
The surface area of Pluto is about 17,646,012 square kilometers or 6,800,000 square miles.
Surface area in square units = pi*radius2
The surface area is 24 square units.
It is 502,320 square yards in surface area.