Circular Mil Ohm/Foot to Microhm Centimeter Conversion

Convert between Circular Mil Ohm/Foot and Microhm Centimeter quickly and accurately.

CM·Ω/ft
μΩ·cm

How to Convert Circular Mil Ohm/Foot to Microhm Centimeter

Conversion Formula

1 CM·Ω/ft = 0.166 μΩ·cm
1 μΩ·cm = 6.015 CM·Ω/ft

Example

Convert 15 CM·Ω/ft to μΩ·cm:

15 CM·Ω/ft = 15 × 0.166 μΩ·cm = 2.494 μΩ·cm

Unit Information

Learn about the electric resistivity units you're converting between

Circular Mil Ohm/Foot

CM·Ω/ft

Definition

A specialized unit of electric resistivity used in electrical engineering for wire and cable specifications. Combines the circular mil (area unit) with ohm per foot to express resistivity in terms of wire gauge and length.

History/Origin

Developed specifically for electrical wire and cable manufacturing in North America. The circular mil unit represents the cross-sectional area of a wire, making this unit practical for specifying wire resistivity in electrical applications.

Current Use

Extensively used in electrical wire and cable manufacturing, electrical engineering, and power distribution systems. Essential for calculating voltage drop, power loss, and conductor sizing in electrical installations.

Multiplier

2E-9

Offset

0

Microhm Centimeter

μΩ·cm

Definition

A very small unit of electric resistivity equal to one millionth of an ohm centimeter. Used for measuring extremely low resistivity materials such as highly conductive metals and alloys in precision applications.

History/Origin

Created for measuring very low resistivity materials in precision engineering and materials science. The microhm centimeter unit allows for accurate characterization of highly conductive materials like copper, silver, and aluminum.

Current Use

Essential in precision electrical engineering, semiconductor manufacturing, and materials research for measuring highly conductive materials. Used in quality control for electrical conductors, cables, and electronic components.

Multiplier

1E-8

Offset

0

Circular Mil Ohm/Foot to Microhm Centimeter Conversion Table

Circular Mil Ohm/Foot [CM·Ω/ft] Microhm Centimeter [μΩ·cm]
1 CM·Ω/ft 0.166243 μΩ·cm
10 CM·Ω/ft 1.662426 μΩ·cm
25 CM·Ω/ft 4.156065 μΩ·cm
50 CM·Ω/ft 8.312131 μΩ·cm
100 CM·Ω/ft 16.624261 μΩ·cm
0 CM·Ω/ft 0E+0 μΩ·cm
-10 CM·Ω/ft -1.662426 μΩ·cm
-40 CM·Ω/ft -6.649704 μΩ·cm