1 inch = 2.54 cm, so 1 square inch = 2.542 square centimeters = 6.45 sq cm
Algebraic Steps / Dimensional Analysis Formula
1in²
* 6.4516 cm²
1 in²
= 6.4516
cm²
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3.50 square inches
The answer is 80.645 square centimeters. 1 square inch is equal to 6.4516 square centimeters. So multiply the number of square inches by 6.4516 to convert.
Note that "11 inches squared" means 11 x 11 or 121 square inches. 11 square inches would be 70.97 square centimeters (1 square inch = 6.4516 square centimeters) 121 square inches would be 780.64 square centimeters.
To convert square inches to square mm, multiply square inches by 645.16
1 square inch = 5.08 square cm 1 square foot = 144 square inches Therefore 116 square inches to square centimetres will be 116*5.08=589.28.