Square Millimeter [mm2] to Hectare [ha] Converter
Quick Reference
1 Square Millimeter (mm2) = 1.0000e-10 Hectare (ha)
1 Hectare (ha) = 1.0000e+10 Square Millimeter (mm2)
How to Convert Square Millimeter to Hectare
1 mm2 = 9.999999999999999e-11 ha
1 ha = 10000000000 mm2
To convert Square Millimeter to Hectare, divide the value by 1.0000e+10 (equivalently, multiply by 1.0000e-10). To convert Hectare back to Square Millimeter, multiply by 1.0000e+10.
Example: convert 10 mm2 to ha:
10 mm2 = 10 x 9.999999999999999e-11 = 9.999999999999999e-10 ha
Square Millimeter
Definition: A square millimeter (mm²) is a unit of area in the metric system. It is the area of a square with sides that are one millimeter in length. It is equal to one millionth of a square meter.
History/origin: The square millimeter is derived from the millimeter, which is a decimal fraction of the meter, the SI base unit of length. As a unit of area, it follows the same historical development as the meter.
Current use: Square millimeters are used for measuring very small areas, such as the cross-sectional area of wires, thin films, or small electronic components. They are common in scientific research, engineering, and manufacturing where precise measurement of small areas is required.
Hectare
Definition: A hectare (ha) is a non-SI metric unit of area equal to 10,000 square meters. It is primarily used for measuring land area.
History/origin: The hectare was adopted as a unit of area following the French Revolution, along with the metric system. It is derived from the word 'hecto,' meaning one hundred, and 'are,' which is a unit of area equal to 100 square meters.
Current use: Hectares are commonly used in agriculture, forestry, land management, and urban planning to measure large areas of land. It's a widely used unit in many countries, particularly for agricultural land.
Square Millimeter to Hectare Conversion Table
| Square Millimeter [mm2] | Hectare [ha] |
|---|---|
| 1 mm2 | 9.999999999999999e-11 ha |
| 2 mm2 | 1.9999999999999998e-10 ha |
| 5 mm2 | 4.999999999999999e-10 ha |
| 10 mm2 | 9.999999999999999e-10 ha |
| 20 mm2 | 1.9999999999999997e-9 ha |
| 50 mm2 | 4.999999999999999e-9 ha |
| 100 mm2 | 9.999999999999999e-9 ha |
| 200 mm2 | 1.9999999999999997e-8 ha |
| 500 mm2 | 5e-8 ha |
| 1000 mm2 | 1e-7 ha |
Common pairs of Area
Square Millimeter
Centimeter
Square Meter
Hectare
Square Kilometer
Square Inch
Square Yard
Square Foot
Acre