Convert square millimeter to hectare
Please provide values below to convert square millimeter [mm^2] to hectare [ha], or Convert hectare to square millimeter.
How to Convert Square Millimeter to Hectare
1 mm^2 = 1e-10 ha
Example: convert 15 mm^2 to ha:
15 mm^2 = 15 × 1e-10 ha = 1.5e-09 ha
Square Millimeter to Hectare Conversion Table
| square millimeter | hectare |
|---|
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.
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.