159 m2 is 1,711.46 sq feet.
1 sq metre = 10.764 sq feet so 20 m2 = 215.28 sq feet (to 2 dp)
325.16 m2
3.71612 m2
13 m2
1 ft2= .0929 m2 3200ft2 = 297.28 m2
464.5 m2
10.7639104 square feet
5,000 square feet = 464.5 m2
40 m2 = 430.556 ft2 (rounded)
100 m2 = 1076.4 sq feet
960 sq feet