Area
Square Kilometer vs Square Mile vs Hectare
Quick reference table for unit conversions with key differences.
Reference Table
| Square Kilometerkm² | Square Milemi² | Hectareha |
|---|---|---|
| 0.5 | 0.1930511 | 50 |
| 1 | 0.3861022 | 100 |
| 5 | 1.930511 | 500 |
| 10 | 3.861022 | 1,000 |
| 50 | 19.30511 | 5,000 |
| 100 | 38.61022 | 10,000 |
| 500 | 193.0511 | 50,000 |
| 1,000 | 386.1022 | 100,000 |
| 5,000 | 1,930.511 | 500,000 |
| 10,000 | 3,861.022 | 1,000,000 |
About These Units
km²
Square Kilometer
Symbol: km²
The square kilometer equals one million square meters. Used for cities, countries, and large geographic areas.
Used in: Worldwide
mi²
Square Mile
Symbol: mi²
The square mile is used for large land areas, cities, and geographic regions in the US and UK.
Used in: United States, United Kingdom
ha
Hectare
Symbol: ha
The hectare equals 10,000 square meters. Used internationally for measuring agricultural land and parks.
Used in: Worldwide
Key Differences
- 1 km² is equal to 0.3861022 mi².
- 1 km² is equal to 100 ha.
- 1 mi² is equal to 258.9988 ha.