you can't. they're different units
To convert square inches to square mm, multiply square inches by 645.16
Multiply square mm by 0.000010764 to get square feet.
Divide by 1 million.
Square inches x 645.16 = square millimeters
Divide by 1,000,000 (1 million).
You can't convert that.
No such formula exists. The diameter of a circle is a linear measure, square measure are for areas.
convert 100 millimeters to meters
To convert millimeters to inches, you divide by 25.4 (an inch has exactly 25.4 millimeters).
That depends what you want to convert it to. For example, it is equal to 10,000 square centimeters, a million square millimeters, 1/10,000 ha, or a millionth of a square kilometer.
134 square millimeters
First, convert inches to centimeters. One inch is equivalent to 2.5 centimeters. Then, convert to millimeters- one centimeter is ten millimeters.