An inch is a linear measure. There is no conversion between inches and square feet, which is an area measure.
50 ft2 = (50 ft2)(12 in/ft)2 = 50*122 in2 = 7200 in2
50 square feet is equal to 7200 square inches.
50 ft2 = (50 ft2)(12 in/ft)2 = 50*122 in2 = 7200 in2
50 square feet is equal to 7200 square inches.