Microhm Inch to Circular Mil Ohm/Foot Conversion

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

From Microhm Inch

μΩ·in

To Circular Mil Ohm/Foot

CM·Ω/ft

How to Convert Microhm Inch to Circular Mil Ohm/Foot

Conversion Formula

1 μΩ·in = 15.279 CM·Ω/ft

1 CM·Ω/ft = 0.065 μΩ·in

Example

Convert 15 μΩ·in to CM·Ω/ft:

15 μΩ·in = 15 × 15.279 CM·Ω/ft = 229.183 CM·Ω/ft

Unit Information

Learn about the electric resistivity units you're converting between

Microhm Inch

μΩ·in

Definition

An imperial unit for very low electric resistivity equal to 2.5400000000102E-8 ohm meters. Used for precision measurements of highly conductive materials in imperial measurement systems.

History/Origin

Developed as an imperial equivalent to microhm centimeter for precision resistivity measurements. Used in North American industries where imperial units are preferred for high-precision electrical measurements.

Current Use

Used in North American precision electrical engineering and manufacturing for measuring highly conductive materials. Common in aerospace, automotive, and electronics industries that require imperial unit precision.

Multiplier

3E-8

Offset

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