Hectare to Are Converter

Area Converter

20 units available

Decimals:

From

To

100

1 ha = 100 a

Formula:

a = ha × 100

With your value: 1 ha = 100 a

How big is that?

Everyday references on a logarithmic scale, all expressed in hectare so you can sanity-check the result.

Parking space (1/8.0e+2 your value)0.00125 ha

Tennis court (1/38 your value)0.0261 ha

Football pitch (1/1.4 your value)0.714 ha

Hectare (1.0× your value)1.00 ha

Your value1.00 ha

Central Park (3.4e+2× your value)341 ha

Other Hectare to Are conversions

2 ha to a 3 ha to a 4 ha to a 5 ha to a 6 ha to a 7 ha to a 8 ha to a

Hectare to Are Conversion Table

Hectare (ha)	Are (a)
0.5	50
1	100
2	200
5	500
10	1,000
15	1,500
20	2,000
25	2,500
50	5,000
100	10,000
250	25,000
500	50,000
1000	100,000

Are to Hectare Conversion Table

Are (a)	Hectare (ha)
0.5	0.005
1	0.01
2	0.02
5	0.05
10	0.1
15	0.15
20	0.2
25	0.25
50	0.5
100	1
250	2.5
500	5
1000	10

Where these values come from

Every factor on this page is traced to the document that defines it. See the full provenance dataset or our methodology.

Hectare (ha)

Area

Exact conversion

Derived from the square metre via the length definitions above.

Source: NIST Special Publication 811, Guide for the Use of the International System of Units

National Institute of Standards and Technology (US) · Reviewed 2026-07-01

Are (a)

Area

Exact conversion

Derived from the square metre via the length definitions above.

Source: NIST Special Publication 811, Guide for the Use of the International System of Units

National Institute of Standards and Technology (US) · Reviewed 2026-07-01

How to Convert Hectare to Are

To convert from Hectare (ha) to Are (a), multiply the value by 100.

Formula: a = ha × 100

Reverse: ha = a × 0.01

Step-by-Step Example

Start with your value in Hectare. For example: 5 ha
Multiply by the conversion factor: 5 x 100
The result is: 500 a

About Hectare

The hectare equals 10,000 square meters or about 2.471 acres. It is the primary unit for land measurement in most countries.

Common uses: agriculture, forestry, land planning.

About Are

The are (a) is a unit of area. One are equals 100 square metres. UnitConvertLab converts it against every other area unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.

Common uses: area calculations, engineering and science, education.

Frequently Asked Questions

How many Are are in 1 Hectare?

There are exactly 100 Are in 1 Hectare. This means the conversion factor from Hectare to Are is 100.

What is the formula to convert Hectare to Are?

The formula to convert Hectare to Are is: a = ha × 100. For example, to convert 10 Hectare to Are, you would multiply 10 by 100.

What is a Hectare?