Total Hectares
0
Equivalent area
Accurate area conversion tool for km² to hectares and hectares to km²
Convert square kilometres to hectares instantly with precise calculations. Includes bidirectional conversion and detailed area breakdowns for 2026.
Professional area conversion for land, agriculture, geography, and urban planning
Convert square kilometres to hectares with full accuracy using the exact factor of 100 hectares per km². Whether you are measuring farmland, national parks, city districts, or country borders, our tool delivers reliable results for any scale of area measurement.
Switch instantly between km² to hectares and hectares to km² conversion modes. Results also include other key area units — square metres, acres, and square miles — giving you a complete measurement picture from a single input.
Essential for farmers, land surveyors, geographers, urban planners, real estate professionals, and students. Whether you are reading a map, filing land records, or planning crop coverage, this tool gives you the right conversion instantly.
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The conversion between square kilometres and hectares is one of the simplest in the metric system because both units are part of the same measurement family. 1 square kilometre equals exactly 100 hectares — this is a defined exact value with no rounding or approximation. The relationship comes directly from the metric prefix system: 1 km = 1,000 m, so 1 km² = 1,000,000 m², and since 1 hectare = 10,000 m², dividing gives 1 km² = 100 ha exactly.
The hectare (ha) is the standard unit for measuring land area in agriculture, forestry, and land management in most countries. Square kilometres are used for larger areas such as cities, countries, lakes, and national parks. According to the Food and Agriculture Organization of the United Nations (FAO), the hectare remains the primary unit of land measurement in global agricultural statistics and land-use reporting in 2026.
All values shown are equal to exactly 1 square kilometre expressed in different area units.
Use this quick-reference table to find common km² to hectares conversions instantly. All values use the exact factor of 100 hectares per km².
| Square Kilometres (km²) | Hectares (ha) | Acres | Square Metres (m²) |
|---|---|---|---|
| 0.01 km² | 1 ha | 2.471 acres | 10,000 m² |
| 0.1 km² | 10 ha | 24.711 acres | 100,000 m² |
| 0.5 km² | 50 ha | 123.553 acres | 500,000 m² |
| 1 km² | 100 ha | 247.105 acres | 1,000,000 m² |
| 2 km² | 200 ha | 494.211 acres | 2,000,000 m² |
| 5 km² | 500 ha | 1,235.527 acres | 5,000,000 m² |
| 10 km² | 1,000 ha | 2,471.054 acres | 10,000,000 m² |
| 25 km² | 2,500 ha | 6,177.635 acres | 25,000,000 m² |
| 50 km² | 5,000 ha | 12,355.269 acres | 50,000,000 m² |
| 100 km² | 10,000 ha | 24,710.538 acres | 100,000,000 m² |
| 500 km² | 50,000 ha | 123,552.691 acres | 500,000,000 m² |
| 1,000 km² | 100,000 ha | 247,105.381 acres | 1,000,000,000 m² |
Need to convert the other way? Use this reverse reference table for hectares to km² conversions at a glance.
| Hectares (ha) | Square Kilometres (km²) | Acres | Square Metres (m²) |
|---|---|---|---|
| 1 ha | 0.01 km² | 2.471 acres | 10,000 m² |
| 5 ha | 0.05 km² | 12.355 acres | 50,000 m² |
| 10 ha | 0.10 km² | 24.711 acres | 100,000 m² |
| 50 ha | 0.50 km² | 123.553 acres | 500,000 m² |
| 100 ha | 1.00 km² | 247.105 acres | 1,000,000 m² |
| 250 ha | 2.50 km² | 617.763 acres | 2,500,000 m² |
| 500 ha | 5.00 km² | 1,235.527 acres | 5,000,000 m² |
| 1,000 ha | 10.00 km² | 2,471.054 acres | 10,000,000 m² |
| 10,000 ha | 100.00 km² | 24,710.538 acres | 100,000,000 m² |
Converting square kilometres to hectares is straightforward because the relationship is a clean power of ten. Since 1 km² = 100 ha exactly, you simply multiply your km² value by 100 to get hectares. No decimal shifting, no complex factors — this is one of the easiest area conversions in the metric system and a great example of the metric system's practical design.
Follow these simple steps to manually convert any square kilometre value to hectares without using a calculator:
Convert 7.5 km² to hectares:
7.5 × 100 = 750 hectares
Convert 3,200 hectares to km²:
3,200 ÷ 100 = 32 km²
Convert 0.25 km² to hectares:
0.25 × 100 = 25 hectares
This conversion is used daily across agriculture, environmental science, urban planning, and government land records. In farming and agriculture, crop fields are measured in hectares while entire farm properties or regional statistics are expressed in km². In geography and cartography, country and city sizes are given in km² while national parks and forest reserves are listed in hectares. For standardised global land-use data, visit the FAO land-use statistics database.
Farmers, agronomists, and agricultural planners use hectares for field measurements and crop yield reporting. Converting to km² helps when referencing regional or national agricultural statistics.
Forest coverage, deforestation rates, and conservation areas are commonly reported in both hectares and km². The conversion is essential for comparing data across international environmental reports and policy documents.
City planners and local councils measure suburb zones, parks, and development areas in hectares while city-wide or regional plans use km². Accurate conversion ensures consistent reporting across planning documents.
Geographers and map-makers regularly switch between km² for country or region sizes and hectares for specific land parcels, nature reserves, and designated zones within those larger areas.
The most common error is confusing kilometres to metres (multiply by 1,000) with square kilometres to hectares (multiply by 100). These are different conversions and must not be mixed up. Another frequent mistake is forgetting that area units scale as the square of length units — 1 km is 1,000 m, but 1 km² is 1,000,000 m², not 1,000 m².
Access the United Nations Food and Agriculture Organization's global land-use statistics, reported in hectares and km² for every country worldwide.
Visit FAO →Learn about SI units and how area measurements including the hectare and square kilometre are defined and standardised for international scientific use.
Visit NIST →Explore all free area conversion tools on ConcreteMetric including acres to square metres, acres to square yards, and many more — all mobile friendly.
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