XinY Units - Convert area units from Square Feet to Square Millimetres
For all your unit conversions. Quickly and simply convert from x to y, from this to that.
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Square Feet
The square foot is an imperial unit and U.S. customary unit of area, used mainly in the United States. It is defined as the area of a square with sides of 1 foot. A standard tennis court is 78 feet x 36 feet, which means it is 2,808 square feet.
Square Millimetres
The area equal to a square that is 1 millimeter on each side.