Convert acre to square hectometer
Please provide values below to convert acre [ac] to square hectometer [hm^2], or Convert square hectometer to acre.
How to Convert Acre to Square Hectometer
1 ac = 0.40468564224 hm^2
Example: convert 15 ac to hm^2:
15 ac = 15 × 0.40468564224 hm^2 = 6.0702846336 hm^2
Acre to Square Hectometer Conversion Table
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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.
Square Hectometer
A square hectometer (hm^2) is a unit of area equal to the area of a square with sides of one hectometer (100 meters).
History/Origin
The square hectometer originated from the metric system's adoption, where 'hecto' denotes a factor of 100. It has been used primarily in scientific and geographical contexts to measure large areas.
Current Use
The square hectometer is rarely used in everyday measurements but is occasionally employed in scientific, environmental, and geographical studies to express large land or area measurements.