Convert circular mil to hectare
Please provide values below to convert circular mil [circ mil] to hectare [ha], or Convert hectare to circular mil.
How to Convert Circular Mil to Hectare
1 circ mil = 5.06707479e-14 ha
Example: convert 15 circ mil to ha:
15 circ mil = 15 × 5.06707479e-14 ha = 7.600612185e-13 ha
Circular Mil to Hectare Conversion Table
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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.
Hectare
A hectare is a metric unit of area equal to 10,000 square meters, commonly used to measure land.
History/Origin
The hectare was introduced in the metric system in the 19th century to provide a practical unit for land measurement, especially in agriculture and forestry.
Current Use
Hectares are widely used worldwide for measuring large land areas, such as farms, forests, and parks, particularly in countries using the metric system.