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Hectare to Square Kilometer Conversion Calculator: Free Online Tool

Convert hectares to square kilometers with our free online area converter.

Hectare to Square Kilometer Calculator

Hectare
Square Kilometer

How to Use the Calculator:

  1. Enter the value you want to convert in the 'From' field (Hectare).
  2. The converted value in Square Kilometer will appear automatically in the 'To' field.
  3. Use the dropdown menus to select different units within the Area category.
  4. Click the swap button (⇌) to reverse the conversion direction.

How to Convert Hectare to Square Kilometer

Converting Hectare to Square Kilometer involves multiplying the value by a specific conversion factor, as shown in the formula below.

Formula:

1 Hectare = 0.01 square kilometers

Example Calculation:

Convert 10 hectares: 10 × 0.01 = 0.1 square kilometers

Disclaimer: For Reference Only

These conversion results are provided for informational purposes only. While we strive for accuracy, we make no guarantees regarding the precision of these results, especially for conversions involving extremely large or small numbers which may be subject to the inherent limitations of standard computer floating-point arithmetic.

Not for professional use. Results should be verified before use in any critical application. View our Terms of Service for more information.

What is a Hectare and a Square Kilometer?

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

The square kilometer (symbol: km²) is a decimal multiple of the SI unit of area, the square meter. It represents the area of a square with sides that are each one kilometer long (1 km² = 1,000,000 m²).

Note: The Hectare is part of the imperial/US customary system, primarily used in the US, UK, and Canada for everyday measurements. The Square Kilometer belongs to the metric (SI) system.

History of the Hectare and Square Kilometer

Introduced during the French Revolution with the original metric system in 1795, the hectare provided a convenient metric unit for land measurement, larger than the square meter but smaller than the square kilometer. It gained widespread international acceptance, particularly with the adoption of the SI system, becoming the standard for land sales and management in many countries.

As a multiple of the square meter, the square kilometer came into use alongside the metric system for measuring large areas like land masses, cities, and countries. Its adoption followed the establishment of the kilometer as a standard unit of distance.

Common Uses for hectares and square kilometers

Explore the typical applications for both Hectare (imperial/US) and Square Kilometer (metric) to understand their common contexts.

Common Uses for hectares

  • Land Measurement (Global Metric): The primary unit for selling and managing land, especially agricultural land, forestry, and large real estate plots, in most countries worldwide using the metric system.
  • Agriculture & Forestry: Standard unit for reporting crop yields, farm sizes, and forest areas.
  • Urban Planning: Measuring parks, large developments, and zoning areas.
  • Environmental Management: Quantifying the area of conservation zones or affected land areas.

Common Uses for square kilometers

  • Geography & Cartography: Standard unit for measuring the land area of cities, regions, countries, and continents.
  • Demographics: Used to calculate population density (people per km²).
  • Environmental Science: Measuring the extent of forests, deserts, lakes, or areas affected by environmental changes (e.g., deforestation, wildfires).
  • Urban Planning: Assessing land use and zoning areas within large municipalities.

Frequently Asked Questions

Questions About Hectare (ha)

How many square meters are in a hectare?

There are exactly 10,000 square meters in one hectare.

How many acres are in a hectare?

One hectare is equal to approximately 2.471 acres.

How many hectares are in a square kilometer?

There are 100 hectares in one square kilometer (since 1 km² = 1,000,000 m² and 1 ha = 10,000 m²).

Is the hectare an official SI unit?

While not technically an SI unit (the SI unit of area is the square meter), the hectare is accepted for use with the International System of Units (SI) and is the standard metric unit for land area globally.

About Square Kilometer (km²)

How many square meters are in a square kilometer?

There are 1,000,000 square meters in one square kilometer (1 km x 1 km = 1000 m x 1000 m).

How many square miles are in a square kilometer?

One square kilometer is approximately 0.3861 square miles.

Is km² used for small areas?

No, it's generally used for very large areas like cities or countries. Square meters, hectares, or acres are used for smaller plots.

Is km² an official SI unit?

While based on the SI unit meter, the official SI derived unit for area is the square meter (m²). However, the square kilometer is a standard metric unit widely accepted for use with SI.

Conversion Table: Hectare to Square Kilometer

Hectare (ha)Square Kilometer (km²)
10.01
50.05
100.1
250.25
500.5
1001
5005
1,00010

All Area Conversions

Square Meter to Square KilometerSquare Meter to Square CentimeterSquare Meter to Square MillimeterSquare Meter to Square InchSquare Meter to Square FootSquare Meter to Square YardSquare Meter to Square MileSquare Meter to AcreSquare Meter to HectareSquare Kilometer to Square MeterSquare Kilometer to Square CentimeterSquare Kilometer to Square MillimeterSquare Kilometer to Square InchSquare Kilometer to Square FootSquare Kilometer to Square YardSquare Kilometer to Square MileSquare Kilometer to AcreSquare Kilometer to HectareSquare Centimeter to Square MeterSquare Centimeter to Square KilometerSquare Centimeter to Square MillimeterSquare Centimeter to Square InchSquare Centimeter to Square FootSquare Centimeter to Square YardSquare Centimeter to Square MileSquare Centimeter to AcreSquare Centimeter to HectareSquare Millimeter to Square MeterSquare Millimeter to Square KilometerSquare Millimeter to Square CentimeterSquare Millimeter to Square InchSquare Millimeter to Square FootSquare Millimeter to Square YardSquare Millimeter to Square MileSquare Millimeter to AcreSquare Millimeter to HectareSquare Inch to Square MeterSquare Inch to Square KilometerSquare Inch to Square CentimeterSquare Inch to Square MillimeterSquare Inch to Square FootSquare Inch to Square YardSquare Inch to Square MileSquare Inch to AcreSquare Inch to HectareSquare Foot to Square MeterSquare Foot to Square KilometerSquare Foot to Square CentimeterSquare Foot to Square MillimeterSquare Foot to Square InchSquare Foot to Square YardSquare Foot to Square MileSquare Foot to AcreSquare Foot to HectareSquare Yard to Square MeterSquare Yard to Square KilometerSquare Yard to Square CentimeterSquare Yard to Square MillimeterSquare Yard to Square InchSquare Yard to Square FootSquare Yard to Square MileSquare Yard to AcreSquare Yard to HectareSquare Mile to Square MeterSquare Mile to Square KilometerSquare Mile to Square CentimeterSquare Mile to Square MillimeterSquare Mile to Square InchSquare Mile to Square FootSquare Mile to Square YardSquare Mile to AcreSquare Mile to HectareAcre to Square MeterAcre to Square KilometerAcre to Square CentimeterAcre to Square MillimeterAcre to Square InchAcre to Square FootAcre to Square YardAcre to Square MileAcre to HectareHectare to Square MeterHectare to Square CentimeterHectare to Square MillimeterHectare to Square InchHectare to Square FootHectare to Square YardHectare to Square MileHectare to Acre

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