Convert acre (US survey) to square hectometer
Please provide values below to convert acre (US survey) [ac (US)] to square hectometer [hm^2], or Convert square hectometer to acre (US survey).
How to Convert Acre (Us Survey) to Square Hectometer
1 ac (US) = 0.404687260987 hm^2
Example: convert 15 ac (US) to hm^2:
15 ac (US) = 15 × 0.404687260987 hm^2 = 6.070308914805 hm^2
Acre (Us Survey) to Square Hectometer Conversion Table
| acre (US survey) | square hectometer |
|---|
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.
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.