Convert hectare to square millimeter
Please provide values below to convert hectare [ha] to square millimeter [mm^2], or Convert square millimeter to hectare.
How to Convert Hectare to Square Millimeter
1 ha = 10000000000 mm^2
Example: convert 15 ha to mm^2:
15 ha = 15 × 10000000000 mm^2 = 150000000000 mm^2
Hectare to Square Millimeter Conversion Table
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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.
Square Millimeter
A square millimeter (mm²) is a unit of area equal to the area of a square with sides measuring one millimeter.
History/Origin
The square millimeter has been used in scientific and engineering contexts for precise measurement of small areas, especially in fields like electronics and material science, as a subdivision of the metric system established in the 19th century.
Current Use
It is commonly used today in fields such as electronics, manufacturing, and scientific research to measure small surface areas, including the cross-sectional areas of wires and components.