How many feet does 120cm *160cm equals?

1inch ≈ 2.54 cm

1 ft ≈ 30.48 cm

So......  120 / 30.48  ≈ 3.937 ft

And .... 160 / 30.48 ≈  5.249 ft

So  120 cm * 160 cm  =  [3.937 ft  * 5.249 ft ]  ≈  20.665 sq ft