Conversion square centimeters to square inches, cm2 to inch2.The conversion factor is 0.155000310001; so 1 square centimeter = 0.155000310001 square inches. In other words, the value in cm2 divide by 6.4516 to get a value in inch2. The calculator gives the answer to the question: 20 cm^2 is how many inch^2?
1 cm2 = 0.155 inch21 square centimeter is 0.155 square inches.
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