Square inches to square meters (in2 to m2) conversion factor is 0.00064516. To find out how many square meters in square inches, as a formula, multiply the square inch value by the conversion factor or use the converter.
1 Square Inch = 0.00064516 Square Meter
There are 0.00064516 square meter in a square inch, because one inch is 0.0254 meter and the area of a square is calculated by multiplying a side by itself, that makes 0.0254 * 0.0254 = 0.00064516 square meters in a square inch.
For example, to find out how many sq. meters there are in 5000 sq. inches, as a formula to convert from sq. inches to sq. meters multiply the sq. inch value by 0.00064516, that makes 5000 in2 * 0.00064516 = 3.2258 sq. meters in 5000 sq. inches.
Square inch is an imperial and US Customary area unit and equals to 0.00064516 sq. meters, 0.00694 sq. feet and 6.4516 sq. centimeters. The abbreviation is "in2".
Square meter is an area unit in metric system and equals to 1550 sq. inches and 10.7639104 sq. feet. The abbreviation is "m2".