About

Large-scale land management, forestry, and agricultural planning often require converting between metric regional units (square kilometers) and functional plot units (hectares). A single square kilometer represents a significant area, often too coarse for specific plot valuation or crop planning, while the hectare offers a granular metric suitable for farming and real estate development.

The conversion is based on the metric definition where one square kilometer contains exactly one hundred hectares. This tool is optimized to handle "Big Numbers" often found in national survey data or large estate acquisitions. It provides visual text analogies to help users comprehend the scale of the area being converted, bridging the gap between abstract numbers and physical reality.

Formulas

The hectare is a non-SI metric unit of area equal to a square with 100-meter sides. The square kilometer is a square with 1,000-meter sides. Therefore, the relationship is a factor of 100.

A_ha = A_km² × 100

Where:

A_ha is the area in Hectares.
A_km² is the area in Square Kilometers.

Reference Data

Location / Object	Area (km²)	Area (ha)	Approx. Football Fields
Standard FIFA Pitch	0.00714	0.714	1
Disneyland (California)	0.34	34	~47
Vatican City	0.44	44	~61
Monaco	2.02	202	~280
Central Park (NYC)	3.41	341	~477
Gibraltar	6.8	680	~952
Heathrow Airport	12.27	1,227	~1,718
Manhattan Island	59.1	5,910	~8,277
Paris (City proper)	105.4	10,540	~14,760
London (Greater)	1,572	157,200	~220,000

Frequently Asked Questions

A hectare (symbol: ha) is a metric unit of area defined as 10,000 square meters (100 m x 100 m). It is primarily used in the measurement of land.

Square kilometers are often too large for individual property plots or farms. A hectare is roughly equivalent to 2.47 acres, making it a manageable unit for agriculture and real estate that aligns better with human-scale land use.

It is an approximation. A standard FIFA recommended field is 105 meters by 68 meters, which is 7,140 square meters or 0.714 hectares. This tool uses this standard to estimate the number of fields for visualization purposes.

Yes, the tool supports decimal inputs. For example, inputting 0.0001 km² will correctly calculate 0.01 hectares, which represents 100 square meters.