Square inches to square centimeters area units conversion factor is 6.4516. To find out how many square centimeters in square inches, multiply the square inch value by 6.4516.
1 Square Inch = 6.4516 Square Centimeters
1 Square Centimeter = 0.15500031 Square Inch
There are 6.4516 square centimeters in a square inch, because one inch is 2.54 centimeters and the area of a square is calculated by multiplying a side by itself, that makes 2.54 * 2.54 = 6.4516 sq. centimeters in a sq. inch.
For example, to find out how many sq. centimeters there are in a square inch and a half, as a formula to convert from sq. inches to sq. centimeters, multiply the sq. inch value by 6.4516, that makes 1.5 in2 * 6.4516 = 9.6774 sq. centimeters in 1.5 sq. inches.
Square inch is an imperial and US Customary area unit and defined as the area of a square with sides 1 inch in length. 1 Square inch is equal to 6.4516 square centimeters. The abbreviation is "in2".
Square centimeter (centimetre) is a metric area unit and defined as the area of a square with sides 1 centimeter in length. 1 Square centimeter is equal to 0.15500031 square inch. The abbreviation is "cm2".