Square feet to square millimeters (ft2 to mm2) area units conversion factor is 92 903.04. To find out how many square millimeters in square feet, multiply the square foot value by 92 903.04 or use the converter.
1 Sq. Foot = 92 903.04 Sq. Millimeters
There are 92 903.04 square millimeters in a square foot, because one foot is defined as 304.8 millimeters and the area of a square is calculated by multiplying a side by itself, that makes 304.8 * 304.8 = 92 903.04 sq. millimeters in a sq. foot.
For example, to find out how many sq. millimeters there are in a sq. foot and a half, as a formula to convert from sq. feet to sq. millimeters, multiply the sq. foot value by 92 903.04, that makes 1.5 ft2 * 92 903.04 = 139 355 sq. millimeters in 1.5 sq. feet.
Square foot is an imperial and US customary area unit and equals to 92 903.04 sq. millimeters, 929.03 sq. centimeters and 144 sq. inches. The abbreviation is "ft2".
Square millimeter is an area unit in metric system. The abbreviation is "mm2".