Square kilometers to hectares

Type a value in square kilometers to see it in hectares straight away, or type in the second box to convert back.

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Processing and privacy: The result is calculated inside your browser and your data is not sent to any server.

How to use it

  1. Type the value in the square kilometers box.
  2. Read the result in hectares as you type, and pick the precision you need.
  3. Swap the direction to convert back, or copy the result.

How it is calculated

ha = km² × 100

Multiply the value in square kilometers by 100 to get hectares.

Example

To convert 25 km² to hectares: 25 × 100 = 2,500 ha.

Conversion table

Square kilometers (km²)Hectares (ha)
1100
2200
3300
5500
101,000
202,000
252,500
505,000
10010,000
25025,000
50050,000
1,000100,000

About the units

Square kilometer
A square kilometer is exactly 1,000,000 square meters, used for the area of cities and countries.
Hectare
A hectare is exactly 10,000 square meters, a square 100 m on each side, used for farmland.

Limits and caveats

  • Results are rounded for display and computed with the browser's floating point precision (about 15 significant digits).
  • Both unit factors are exact by their official definitions.

Questions about this tool

How many hectares are in one square kilometer?

1 km² = 100 ha exactly.

How do I convert square kilometers to hectares?

Use ha = km² × 100. For example, 25 km² = 2,500 ha.

How many square kilometers are in one hectare?

1 ha = 0.01 km².

How do I convert square meters to square feet?

Divide the square meters by 0.09290304, or multiply by about 10.7639. The factor is exact because a foot is exactly 0.3048 m.

Are the dunam, feddan and acre the same size?

No. A metric dunam is 1000 m², an Iraqi dunam 2500 m², an Egyptian feddan about 4200.83 m² and an acre 4046.8564224 m².