An inch is a linear measure. There is no conversion between inches and square feet, which is an area measure.

50 ft

50 square feet is equal to 7200 square inches.

50 ft

^{2}= (50 ft^{2})(12 in/ft)^{2}= 50*12^{2}in^{2}= 7200 in^{2}50 square feet is equal to 7200 square inches.