To convert square inches to square mils, multiply the value by 1,000,000. To go the other way, multiply square mils by 1 × 10⁻⁶ to get square inches.
| Square Inches (in²) | Square Mils (mil²) |
|---|---|
| 1 in² | 1,000,000 mil² |
| 2 in² | 2,000,000 mil² |
| 5 in² | 5,000,000 mil² |
| 10 in² | 10,000,000 mil² |
| 20 in² | 20,000,000 mil² |
| 50 in² | 50,000,000 mil² |
| 100 in² | 100,000,000 mil² |
| 500 in² | 500,000,000 mil² |
| 1,000 in² | 1,000,000,000 mil² |
Square inch (in²). A square inch is the area of a square with 1-inch sides (6.4516 cm²).
Square mil (mil²). A square mil is the area of a square of 0.001 inch (a thou).
There are 1,000,000 square mils in one square inch.
Multiply the number of square inches by 1,000,000. For example, 10 square inches equal 10,000,000 square mils.
One square mil equals 1 × 10⁻⁶ square inches.