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Convert ares to hectares (a to ha)

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

Updated on

1 a = 0.01 ha

How to convert ares to hectares

Formula: ha = a × 0.01

Worked example: 5 a → 5 × 0.01 = 0.05 ha

Ares to hectares conversion chart

Ares (a)Hectares (ha)
1 a0.01 ha
2 a0.02 ha
3 a0.03 ha
4 a0.04 ha
5 a0.05 ha
6 a0.06 ha
7 a0.07 ha
8 a0.08 ha
9 a0.09 ha
10 a0.1 ha
12 a0.12 ha
15 a0.15 ha
20 a0.2 ha
25 a0.25 ha
30 a0.3 ha
40 a0.4 ha
50 a0.5 ha
75 a0.75 ha
100 a1 ha
250 a2.5 ha
500 a5 ha
1,000 a10 ha

What is an are?

The are equals 100 square meters, a square 10 m on each side. It is rare in English but still used in land registries in France, Switzerland and elsewhere in Europe, and in India, where a cent is close to 40 square meters.

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.

Frequently asked questions

How many hectares are in an are?

An are equals 0.01 hectares. To convert any value, multiply the number of ares by 0.01.

How do you convert ares to hectares?

Use the formula ha = a × 0.01. Example: 5 a → 5 × 0.01 = 0.05 ha.

How many ares are in a hectare?

A hectare equals 100 ares. That is the reverse conversion, from hectares to ares.

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