Convert area units — square meters, square feet, acres, hectares, cents, grounds and more.
| Unit | Name | Value |
|---|---|---|
| 0.001 km² | 0.1 ha | |
| 0.01 km² | 1 ha | |
| 0.1 km² | 10 ha | |
| 1 km² | 100 ha | |
| 5 km² | 500 ha | |
| 10 km² | 1000 ha | |
| 50 km² | 5000 ha | |
| 100 km² | 10000 ha | |
| 1000 km² | 100000 ha |
Common square kilometer values converted to hectare — factor: 1 km² = 100 ha
| Square Kilometer (km²) | Hectare (ha) | Context |
|---|---|---|
| 0.001 km² | 0.1 ha | Large park |
| 0.01 km² | 1 ha | Airport |
| 0.1 km² | 10 ha | Town center |
| 0.5 km² | 50 ha | Small suburb |
| 1 km² | 100 ha | Suburb |
| 5 km² | 500 ha | Small town |
| 10 km² | 1,000 ha | Large town |
| 50 km² | 5,000 ha | Small city |
| 100 km² | 1e+04 ha | City |
| 500 km² | 5e+04 ha | Large city |
| 1,000 km² | 1e+05 ha | Metro area |
| 5,000 km² | 5e+05 ha | Small country |
| 1e+04 km² | 1,000,000 ha | Small country |
| 5e+04 km² | 5,000,000 ha | Large country |
| 1e+05 km² | 10,000,000 ha | Large country |
Converting square kilometer to hectare is common in real estate, agriculture, surveying, and construction. Property listings, land records, and planning documents often use different area units depending on the country or industry — making accurate conversion essential for cross-border transactions and international comparisons.
As a practical reference: 5 km² = 500 hectare and 10 km² = 1000 hectare. For larger land areas, 100 km² = 1e+04 hectare — a common benchmark for farm and estate valuations. The reverse: 1 ha = 0.01 km².
All conversions use the internationally recognized factor of exactly 1 km² = 100 ha. Calculations are performed in IEEE 754 double-precision floating point, giving accuracy to at least 8 significant figures — more than sufficient for any practical application.
Formula: Hectare = Square Kilometer × 100
Multiply any square kilometer value by 100 to get hectare. One square kilometer equals 100 ha.
Reverse: Square Kilometer = Hectare × 0.01
km² × 100 = hectares. Simple multiplication.
One square kilometer = exactly 100 hectares.
ha ÷ 100 = km².
Measures and labels geographic features like lakes, forests, and countries in km².
Analyzes land use, population density, and territory size in square kilometers.
Reports national territory, protected area, and urban footprint in km².
Assesses metropolitan area growth and infrastructure needs in km².
Tracks deforestation, desertification, and habitat change in km².
Calculates wildfire, flood, or storm risk exposure over geographic areas in km².
The square kilometer is equal to one million square meters, used for measuring large geographic areas such as countries, forests, lakes, and urban regions.
It became the standard measure for national territories and natural features as cartography evolved in the 19th and 20th centuries alongside the metric system.
Interesting fact: The world's smallest country, Vatican City, covers just 0.44 km². Russia, the largest, spans about 17.1 million km².
The hectare is a metric unit equal to 10,000 m² or 2.471 acres, defined in 1795 as part of the French metric system. The name comes from the Latin area and the Greek hekaton (hundred).
Hectares are the global standard for agricultural land measurement, forest inventories, nature reserves, and urban planning across metric countries.
Interesting fact: One hectare of wheat can produce about 3-8 tonnes of grain. The Amazon rainforest covers roughly 550 million hectares.