circular mil to mm²
39 unitsResult5.067075e-4
0.0005067074791mm²
1 circular mil × 0.0005067074791 = 0.0005067074791 mm²
Convert Circular mil to Square millimeter (circular mil to mm²)
1 circular mil = 0.0005067074791 square millimeters. Convert circular mils to square millimeters instantly, with the exact factor, the formula and a reference table of common values.
Formula
square millimeters = circular mils × 0.0005067074791
circular mil to mm² conversion table
| circular mil | mm² |
|---|---|
| 1 circular mil | 0.0005067074791 mm² |
| 2 circular mil | 0.001013414958 mm² |
| 3 circular mil | 0.001520122437 mm² |
| 5 circular mil | 0.002533537395 mm² |
| 10 circular mil | 0.005067074791 mm² |
| 20 circular mil | 0.01013414958 mm² |
| 50 circular mil | 0.02533537395 mm² |
| 100 circular mil | 0.05067074791 mm² |
| 250 circular mil | 0.1266768698 mm² |
| 500 circular mil | 0.2533537395 mm² |
| 1000 circular mil | 0.5067074791 mm² |
What is a circular mil?
A circular mil is the area of a circle one mil — one thousandth of an inch — in diameter: about 5.067 × 10⁻¹⁰ square meters.
Electricians use it constantly because wire sizes in North America are quoted in circular mils, and the resistance of a wire follows directly from that figure.