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23 units available
6 categories total
To convert km² to mi²: multiply by 0.3861. To hectares: multiply by 100. To acres: multiply by 247.105.
1 km² = 1,000,000 m² = 100 ha = 247.105 acres ≈ 0.3861 mi².
For example, 1 Square Kilometer (km²) = 100 Hectare (ha).
| Square Kilometer (km²) | Hectare (ha) |
|---|---|
| 0.1 | 10 |
| 0.5 | 50 |
| 1 | 100 |
| 2 | 200 |
| 5 | 500 |
| 10 | 1000 |
| 25 | 2500 |
| 50 | 5000 |
| 100 | 10000 |
| 500 | 50000 |
| 1000 | 100000 |
The square kilometer is a metric unit of area equal to 1,000,000 square meters, or a square with sides of 1 kilometer.
1 km² = 1,000,000 m² = 100 ha = 247.105 acres ≈ 0.3861 mi².
To convert km² to mi²: multiply by 0.3861. To hectares: multiply by 100. To acres: multiply by 247.105.
Country areas, national park sizes, city footprints, forest coverage, and watershed boundaries.
Vatican City = 0.44 km². Manhattan = 59.1 km². Russia = 17,098,242 km² (largest country). Earth's surface = 510,072,000 km².
Thinking 1 km² = 1,000 m² (it's actually 1,000,000 m²). Area scales as the square of the linear dimension.
1 km = 1,000 m, but 1 km² = 1,000² m² = 1,000,000 m². Always square the conversion factor for area.
The hectare is a metric unit of area equal to 10,000 square meters, or 100 ares — the area of a square 100 meters on each side.
1 ha = 10,000 m² = 100 a = 0.01 km² ≈ 2.471 acres.
To convert ha to acres: multiply by 2.471. To km²: divide by 100. To m²: multiply by 10,000.
Farm sizes, vineyard areas, forestry management, urban planning zones, and national park boundaries.
Singapore has a total area of about 72,800 ha. The Amazon rainforest loses about 1 million ha per year to deforestation.
Confusing hectare with acre — a hectare is about 2.47 acres, not equal to one. Also, 1 km² = 100 ha, not 1,000.
A hectare = 100 m × 100 m. A football field is about 0.7 ha. Two football fields ≈ 1.4 ha — close to 1 ha.



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