Square Millimeters to Hectares
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sqmm
ha
Quick reference
| Square Millimeters (sqmm) | Hectares (ha) |
|---|
Formula
Hectares = square millimeters ÷ 10000000000
Multiply the square millimeters value by 9.999999999999999e-11 to get hectares. To reverse — divide hectares by 9.999999999999999e-11 to get square millimeters.
About this conversion
The square millimeter (mm²) is a metric unit of area equal to 0.000001 square meters, used in electronics and precision engineering. Learn more →
The hectare (ha) is equal to 10,000 square meters, used internationally for land and agriculture. Learn more →
Source: NIST International Reference