You can not convert between feet and square feet - those two measure completely different things.
120
120 mm = 0.39 feet.120 mm = 0.39 feet.120 mm = 0.39 feet.120 mm = 0.39 feet.
120 feet = 36.576 meters.
120 kilometers = 393,700.787 feet
120 feet = about 36.6 meters.
120 inches is 10 feet.
120 square feet. (10 x 12 = 120)
10 feet or 120 inches.
60 times 120 = 7200 square feet