Convert hectares to square kilometers

1 ha=0.01km²

Use the converter below to change any hectares value into square kilometers instantly — with formula, conversion table, and real-world examples.

You have

Equals

0.01

Conversion formula

Forward

square kilometers = hectares × 0.01

Reverse

hectares = square kilometers × 100

Example: 10 ha × 0.01 = 0.1 km².

About both units

From

Hectare

The hectare equals 10,000 square metres — a square 100 m on each side. It is the global standard for agricultural land, forests, vineyards and large-scale property. 1 hectare is roughly equivalent to 2.47 acres. European farms are measured in hectares.

Real-world: A rugby pitch is 1 hectare. A Bordeaux vineyard parcel is typically 5–10 ha. The Vatican City covers 44 ha.

Read full hectare reference →

Square Kilometer

km²

The square kilometre equals 1,000,000 m² or 100 hectares. It is used for city, region and country areas. Greater London is about 1572 km². The smallest sovereign countries (Monaco, Vatican City) are under 3 km² each.

Real-world: Greater London is 1572 km². France is 643,801 km². The Serengeti National Park is 14,763 km².

Read full square kilometer reference →

Hectare to Square Kilometer conversion table

Common hectares to square kilometers values for quick reference.

Hectare (ha)	Square Kilometer (km²)
1 ha	0.01 km²
5 ha	0.05 km²
10 ha	0.1 km²
50 ha	0.5 km²
100 ha	1 km²
500 ha	5 km²
1,000 ha	10 km²
5,000 ha	50 km²
10,000 ha	100 km²
50,000 ha	500 km²

Tips & common mistakes

Quick tips

1 ha = 10,000 m² = 100 m × 100 m.
1 ha ≈ 2.47 acres — quick check for US/UK comparison.
Agricultural yields quoted as tonnes/hectare are standard worldwide.

Avoid these

Using hectares for very small plots — m² is clearer.
Converting acres to hectares with 2.5 factor — correct is 2.47 (1.2% error).
Treating "a few hectares" as an exact figure in contracts — always specify.

Frequently asked questions

How many square kilometers in a hectare?

One hectare equals 0.01 square kilometers.

How do I convert hectares to square kilometers?

Multiply the hectare value by 0.01 to get the equivalent in square kilometers.

What is 100 hectares in square kilometers?

100 hectares equals 1 square kilometers.

Is a hectare bigger than a square kilometer?

No. 1 hectare equals 0.01 square kilometers, so one hectare is smaller.

How to convert hectares to square kilometers without a calculator?

Multiply by 0.01 for a quick estimate; use a calculator for precise results.

Related area conversions

📊 See full comparison matrix →

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