Convert square inches to square centimeters (sq in to sq cm) and square centimeters to square inches (sq cm to sq in) Online Conversion Calculator - Converter

This calculator-converter provides conversion of square inches to square centimeters (sq in to sq cm) and backwards square centimeters to square inches (sq cm to sq in).

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Conversion Chart / Table
 square inch to square centimeters Conversion Chart / Table: square centimeters to square inches Conversion Chart / Table: sq in = sq cm 1.0 = 6.45 2.0 = 12.90 3.0 = 19.35 4.0 = 25.81 5.0 = 32.26 6.0 = 38.71 7.0 = 45.16 8.0 = 51.61 9.0 = 58.06 square inch = square centimeters 10 = 64.52 20 = 129.03 30 = 193.55 40 = 258.06 50 = 322.58 100 = 645.16 500 = 3225.80 1000 = 6451.60 5000 = 32258.00 sq cm = sq in 1.0 = 0.155 2.0 = 0.310 3.0 = 0.465 4.0 = 0.620 5.0 = 0.775 6.0 = 0.930 7.0 = 1.085 8.0 = 1.240 9.0 = 1.395 square centimeters = square inches 10 = 1.550 20 = 3.100 30 = 4.650 40 = 6.200 50 = 7.750 100 = 15.500 500 = 77.500 1000 = 155.000 5000 = 775.002

The square inch (plural form: square inches; symbol or abbreviation: sq in or in2) is a derived unit of area used in British Imperial units and United States customary units. Square inch is mostly used in the United States, the United Kingdom and less widely in Canada. One square inch = 6.4516 square centimeters (sq cm) = 0.00694 square feet (1 square foot = 144 square inches).