The question, as stated, cannot be answered sensibly. A square foot is a measure of area, with dimensions [L2]. A millimetre (mm) is a measure of distance, with dimensions [L]. The two measure different things and elementary dimensional analysis teaches that you cannot convert between measures with different dimensions such as these without additional information.
The area equals the total square feet.
About 10.764 square feet.
200 square feet
1 square foot equals 0.3048 square meters. 3400 square feet equals 1036.32 square meters.
64 square feet.
The area equals the total square feet.
About 10.764 square feet.
1500
0.18 acre equals 7,840.8 square feet.
First find how many square feet 19 ft x 11 feet equals. It equals 209 square feet. Now, convert 209 square feet to square meters. 1 square foot equals 0.3048 square meters. 209 square feet equals 63.7032 square meters.
600 square feet
1.77 square feet.
9.618 square feet.
97,951.6 square feet.
One square meter equals 10.7639104 square feet. So, 240 square meters equals 2583 square feet.
871,200 square feet.
10.76 square feet