Convert Square Meters (m²) to Ares (a)

1 square meter equals 0.01 ares.

Formula: a = m² × 0.01

Square Meter to Are Converter

Choose the type of measurement to convert
Select the source unit to convert from
Select the target unit to convert to
Enter a numeric value or fraction to convert
Sig. Figures:

How to Convert Square Meter to Are

1 square meter = 0.01 ares

Are = Square Meter × 0.01

Example: 1 m² × 0.01 = 0.01 a

Reverse Conversion

To convert ares back to square meters:

  • Remember, 1 are equals 100 square meters.
  • To convert 0.01 a to m², multiply 0.01 x 100, resulting in 1 m².

Common Square Meter to Are Conversions

Square Meter to Are (Part 1)
Square Meter to Are common conversions part 1
Square Meter Are Actions
1 square meter 0.01 ares
5 square meters 0.05 ares
10 square meters 0.1 ares
25 square meters 14 ares
Square Meter to Are (Part 2)
Square Meter to Are common conversions part 2
Square Meter Are Actions
50 square meters 12 ares
100 square meters 1 are
500 square meters 5 ares
1000 square meters 10 ares

Square meters to ares Conversion Table

Reference table with common square meters to ares conversions. All values calculated with high precision.

Square Meters to Ares Table
0.01 to 50

Square meters Ares Actions
0.01 m² 0.0001 a
0.025 m² 0.00025 a
0.05 m² 0.0005 a
0.1 m² 0.001 a
14 0.0025 a
12 0.005 a
1 m² 0.01 a
12 0.025 a
5 m² 0.05 a
10 m² 0.1 a
25 m² 14 a
50 m² 12 a

Square Meters to Ares Table
100 to 10000000

Square meters Ares Actions
100 m² 1 a
250 m² 12 a
500 m² 5 a
1000 m² 10 a
2500 m² 25 a
5000 m² 50 a
10000 m² 100 a
25000 m² 250 a
50000 m² 500 a
100000 m² 1000 a
250000 m² 2500 a
500000 m² 5000 a
1000000 m² 10000 a
2500000 m² 25000 a
5000000 m² 50000 a
10000000 m² 100000 a

Ares to Square Meters Table
0.0001 to 12

Ares Square meters Actions
0.0001 a 0.01 m²
0.00025 a 0.025 m²
0.0005 a 0.05 m²
0.001 a 0.1 m²
0.0025 a 14
0.005 a 12
0.01 a 1 m²
0.025 a 12
0.05 a 5 m²
0.1 a 10 m²
14 a 25 m²
12 a 50 m²

Ares to Square Meters Table
1 to 100000

Ares Square meters Actions
1 a 100 m²
12 a 250 m²
5 a 500 m²
10 a 1000 m²
25 a 2500 m²
50 a 5000 m²
100 a 10000 m²
250 a 25000 m²
500 a 50000 m²
1000 a 100000 m²
2500 a 250000 m²
5000 a 500000 m²
10000 a 1000000 m²
25000 a 2500000 m²
50000 a 5000000 m²
100000 a 10000000 m²

Definition of Square Meter

Definition

— The square meter is the SI-derived unit of area. It is defined as the area of a square whose sides each measure exactly 1 meter, the SI base unit of length.

The square meter is the fundamental area unit in science, engineering, and international commerce. It is used worldwide for expressing room sizes, land parcels, building footprints, and material quantities.

As an SI-derived unit, the square meter forms the basis from which all other metric area units are defined: 1 cm² = 10⁻⁴ m², 1 a = 100 m², 1 ha = 10⁴ m², and 1 km² = 10⁶ m².

Exact factor
1 m² = 1 m²
Examples
  • 170 m² = 1,829.86 ft²
  • 934 m² = 10,053.49 ft²
  • 0.06 m² = 0.0006 a

Definition of Are

Definition

a — The are is a metric unit of area equal to exactly 100 square meters. It corresponds to the area of a square with sides of 10 meters.

The are was introduced with the metric system in France and is accepted for use with the SI, though it is not an SI unit itself. It is primarily used in land measurement in parts of Europe and in legal or cadastral contexts.

The symbol a is the internationally recognized abbreviation for the are, as documented by the BIPM. Its decimal multiple, the hectare (ha), is far more common in everyday use.

Exact factor
1 a = 100 m²
Examples
  • 3 a = 300
  • 11 a = 11,840.3 ft²
  • 0.93 a = 1,001.04 ft²

About the Square Meter

Facts & Uses

  • SI derived unit of area: 1 m² = the area of a square 1 meter on each side. Foundation for all metric area calculations.
  • Standard for real estate outside the US/UK (apartment sizes, land plots), flooring (m² of tile/laminate), and construction (concrete pours, paint coverage).
  • Used in solar panels (kW per m² rating), HVAC (BTU per m² heating load), and fabric (g/m² fabric weight, GSM).
  • Subdivisions: cm² (microscopy, electronics), mm² (precision manufacturing); multiples: km² (geography), hectare (agriculture).

Curiosities

  • The square meter is one of the few SI derived units that doesn't have a special name — it's just "meter squared", sometimes informally called "centiare" (1 ca = 1 m²).
  • Solar irradiance at Earth's surface is about 1000 W/m² on a clear day at solar noon — the basis for all photovoltaic and solar thermal calculations.
  • The average city has ~10-30 m² of street pavement per resident; a Manhattan apartment averages 50-90 m²; a US suburban house typically 150-250 m².
  • Approximate equivalents: 1 m² ≈ 10.764 ft² ≈ 1.196 yd² ≈ 1550 in².

Sources

Frequently Asked Questions

How many ares are in one square meter?

One square meter equals 0.01 ares. To convert, multiply the square meter value by 0.01. For the reverse, divide the are value by 0.01 (or multiply by 100).

What is 1000 square meters in ares?

1000 square meters = 10 ares. This is one of the most commonly searched conversions for this pair.

Is the square meter-to-are conversion exact?

Yes. The factor 0.01 is exact by international definition, not an approximation. Any imprecision comes only from the original measurement, not the conversion.

Looking for the reverse? Convert Are to Square Meter

Related in other categories:

Conversion factors verified against NIST, BIPM, ISO 80000-3 Derived from SI base units (m², BIPM). Last reviewed: March 2026
Tiago Fernandes Reviewed by Tiago Fernandes

All unit conversions on CoolConversion use conversion factors defined or documented by internationally recognised standards bodies (such as ISO and NIST), including both SI and non-SI units.