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Convert hectares to square kilometers (ha to km²)

Type a value in hectares or in square kilometers: the other field updates as you type. Below you will find the formula, a worked example and a ha to km² chart.

Updated on

1 ha = 0.01 km²

How to convert hectares to square kilometers

Formula: km² = ha × 0.01

Worked example: 10 ha → 10 × 0.01 = 0.1 km²

Hectares to square kilometers conversion chart

Hectares (ha)Square kilometers (km²)
1 ha0.01 km²
2 ha0.02 km²
3 ha0.03 km²
4 ha0.04 km²
5 ha0.05 km²
6 ha0.06 km²
7 ha0.07 km²
8 ha0.08 km²
9 ha0.09 km²
10 ha0.1 km²
12 ha0.12 km²
15 ha0.15 km²
20 ha0.2 km²
25 ha0.25 km²
30 ha0.3 km²
40 ha0.4 km²
50 ha0.5 km²
75 ha0.75 km²
100 ha1 km²
250 ha2.5 km²
500 ha5 km²
1,000 ha10 km²

What is a hectare?

The hectare equals 10,000 square meters, a square 100 m on each side. It is the international unit for farms, forests and land plots. One hectare is about 2.47 acres; a full-size soccer pitch covers about 0.7 hectare.

What is a square kilometer?

The square kilometer equals one million square meters, or 100 hectares. It measures cities, lakes, parks and countries; Manhattan covers about 59 km² of land. One square kilometer is about 0.386 square mile.

Frequently asked questions

How many square kilometers are in a hectare?

A hectare equals 0.01 square kilometers. To convert any value, multiply the number of hectares by 0.01.

How do you convert hectares to square kilometers?

Use the formula km² = ha × 0.01. Example: 10 ha → 10 × 0.01 = 0.1 km².

How many hectares are in a square kilometer?

A square kilometer equals 100 hectares. That is the reverse conversion, from square kilometers to hectares.

Results are rounded to 6 significant digits; the conversion factors are the exact legal definitions.