Convert circular mil to acre
Please provide values below to convert circular mil [circ mil] to acre [ac], or Convert acre to circular mil.
How to Convert Circular Mil to Acre
1 circ mil = 1.25210144890561e-13 ac
Example: convert 15 circ mil to ac:
15 circ mil = 15 Γ 1.25210144890561e-13 ac = 1.87815217335841e-12 ac
Circular Mil to Acre Conversion Table
circular mil | acre |
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Circular Mil
A circular mil is a unit of area used to measure the cross-sectional size of wires, representing the area of a circle with a diameter of one mil (one thousandth of an inch).
History/Origin
The circular mil originated in the electrical industry to specify wire sizes before the adoption of metric units. It has been a standard measurement in North America for wire gauge sizes for many decades.
Current Use
Circular mils are still used today in the electrical industry to specify wire cross-sectional areas, especially in North America, although metric units are increasingly common.
Acre
An acre is a unit of area commonly used in the United States and the UK, equal to 43,560 square feet or approximately 4,047 square meters.
History/Origin
The acre originated in medieval England as a measure of land area that could be plowed in one day with a yoke of oxen. It was standardized in the 19th century and has since been used primarily for measuring land, especially in agriculture.
Current Use
Today, the acre is primarily used in real estate, agriculture, and land planning in the United States, the UK, and other countries that use imperial or customary units.