Square Millimeter to Hectare Converter
Enter a value to instantly convert between area units.
Precision4 dp
1 Square Millimeter = 1.0000e-10 Hectare
Key Formulas
Acre → Square Foot
ft² = ac × 43560Square Foot → Acre
ac = ft² × 0.0000229568Hectare → Acre
ac = ha × 2.47105Acre → Hectare
ha = ac × 0.404686Formula
ha = mm² × 1.000000e-10Source: NIST SP 811, Table B.8
| Square Millimeter (mm²) | Hectare (ha) |
|---|---|
| 1 | 0 |
| 10 | 0 |
| 100 | 0.00000001 |
| 1,000 | 0.0000001 |
| 10,000 | 0.000001 |
| 100,000 | 0.00001 |