Are to Square Meter Converter

Area Converter

20 units available

Decimals:

From

To

100

1 a = 100 m²

Formula:

m² = a × 100

With your value: 1 a = 100 m²

How big is that?

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

A4 sheet (1/1.6e+3 your value)0.000625 a

Parking space (1/8.0 your value)0.125 a

Your value1.00 a

Tennis court (2.6× your value)2.61 a

Football pitch (71× your value)71.4 a

Hectare (1.0e+2× your value)100 a

Other Are to Square Meter conversions

2 a to m² 3 a to m² 4 a to m² 5 a to m² 6 a to m² 7 a to m² 8 a to m²

Are to Square Meter Conversion Table

Are (a)	Square Meter (m²)
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

Square Meter to Are Conversion Table

Square Meter (m²)	Are (a)
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.

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

Square Meter (m²)

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 Are to Square Meter

To convert from Are (a) to Square Meter (m²), multiply the value by 100.

Formula: m² = a × 100

Reverse: a = m² × 0.01

Step-by-Step Example

Start with your value in Are. For example: 5 a
Multiply by the conversion factor: 5 x 100
The result is: 500 m²

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.

About Square Meter

The square meter is the SI unit of area. It is widely used for measuring floor space, land, and surfaces.

Common uses: real estate, construction, painting.

Frequently Asked Questions

How many Square Meter are in 1 Are?

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

What is the formula to convert Are to Square Meter?

The formula to convert Are to Square Meter is: m² = a × 100. For example, to convert 10 Are to Square Meter, you would multiply 10 by 100.

What is a Are?