CM - Circular Mil Area

Calculate circular mil area and related conversions for wire or cable cross-sections. A circular mil is the equivalent area of a circle whose diameter is 0.001 inch, or approximately 0.7854 millionths of a square inch.

Calculator

Inputs

Wire Diameter (inches)

Results

Mils-- mils

Circular Mil Area-- cmil

Square Inch-- in²

Square Mil-- sq mil

Square Meter-- m²

Square Centimeter-- cm²

Unit	Conversion Factor
1 Circular Mil	0.7854 × 10⁻⁶ Square Inch
1 Circular Mil	0.7854 Square Mil
1 Square Mil	1.27 Circular Mil
1 Circular Mil	5.066 × 10⁻¹⁰ m²
1 Circular Mil	5.066 × 10⁻⁶ cm²
1 m²	1.974 × 10⁹ Circular Mil
1 cm²	1.974 × 10⁵ Circular Mil