Convert square mil to acre (US survey)
Please provide values below to convert square mil [mil^2] to acre (US survey) [ac (US)], or Convert acre (US survey) to square mil.
How to Convert Square Mil to Acre (Us Survey)
1 mil^2 = 1.5942187021813e-13 ac (US)
Example: convert 15 mil^2 to ac (US):
15 mil^2 = 15 × 1.5942187021813e-13 ac (US) = 2.39132805327195e-12 ac (US)
Square Mil to Acre (Us Survey) Conversion Table
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Square Mil
A square mil is a unit of area equal to the area of a square with sides measuring one mil (thousandth of an inch).
History/Origin
The square mil has been used primarily in engineering and manufacturing to measure very small areas, especially in fields like electronics and materials science, where precision at a microscopic scale is required.
Current Use
Today, the square mil is mainly used in the electronics industry to specify the cross-sectional area of wires and conductors, as well as in materials science for measuring tiny surface areas.
Acre (Us Survey)
An acre (US survey) is a unit of area used primarily in land measurement, equal to 43,560 square feet or approximately 4,046.86 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 United States based on the survey system, maintaining its traditional size for land measurement purposes.
Current Use
The acre (US survey) is still used in the United States for real estate, agriculture, and land planning, especially in rural and agricultural contexts, although the metric system is increasingly adopted globally.