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Convert ares to square meters instantly with our free online calculator. Essential for European property measurement, land surveying, garden planning, and understanding metric area units.
100 m²
Square Meters per Are
0.01 a
Ares per Square Meter
100 a = 1 ha
Ares per Hectare
Formula: Square Meters = Ares × 100
| Ares (a) | Square Meters (m²) | Context |
|---|---|---|
| 0.5 a | 50 m² | Studio apartment footprint |
| 1 a | 100 m² | Large apartment or small house floor area |
| 1.5 a | 150 m² | Typical European family apartment |
| 2 a | 200 m² | Generous flat or duplex footprint |
| 3 a | 300 m² | Small urban building plot |
| 4 a | 400 m² | Typical French allotment garden |
| 5 a | 500 m² | Medium building plot in suburbs |
| 8 a | 800 m² | Large residential garden plot |
| 10 a | 1,000 m² | Standard European building lot |
| 15 a | 1,500 m² | Large suburban property |
| 20 a | 2,000 m² | Small vineyard parcel |
| 25 a | 2,500 m² | Quarter hectare plot |
| 50 a | 5,000 m² | Half hectare / medium farm parcel |
| 75 a | 7,500 m² | Three-quarter hectare field |
| 100 a | 10,000 m² | One hectare (standard reference) |
| 250 a | 25,000 m² | 2.5 hectares — small farm |
| 500 a | 50,000 m² | 5 hectares — medium agricultural plot |
The are (symbol: a) is a metric unit of area equal to exactly 100 square meters. It was introduced in 1795 during the French Revolution as part of the original metric system. The word derives from the Latin area, meaning "a level piece of ground." An are represents the area of a square with sides of 10 meters. Although it is not a formal SI unit, the are and its multiples — the centiare (1 m²) and the hectare (10,000 m²) — are officially accepted for use alongside the International System of Units, particularly for land measurement.
The square meter (symbol: m²) is the SI derived unit of area. It is defined as the area of a square whose sides are each exactly one meter long. The square meter is the fundamental unit used worldwide for measuring floor space in buildings, room dimensions, construction materials, and smaller land parcels. In real estate across Europe and Asia, apartment and house sizes are almost universally quoted in square meters.
The are occupies a practical middle ground in the metric area hierarchy. While the square meter is ideal for rooms and apartments, and the hectare suits large farms and forests, the are is perfectly sized for residential building plots, gardens, allotments, and small agricultural parcels — areas typically between 100 and a few thousand square meters. This is why the are remains in everyday use across much of continental Europe, even though it has no formal SI status.
The conversion between these units is elegantly simple: 1 are = 100 square meters, exactly. There is no rounding, no approximation — the relationship is defined by powers of ten. This places the are in a clean decimal chain: 1 centiare = 1 m², 1 are = 100 m², 1 hectare = 10,000 m².
The formula is straightforward: Square Meters = Ares × 100. Because the conversion factor is an exact power of ten, you simply move the decimal point two places to the right. No calculator is needed for whole-number conversions.
Question: A French allotment garden is listed at 3 ares. How many square meters is that?
Question: A residential building lot in Belgium is advertised as 8.5 ares. Convert to square meters for comparison with other listings.
This is a good-sized suburban lot — roughly 29 m × 29 m if square.
Question: A vineyard in Burgundy covers 47 ares. What is this in square meters and hectares?
Since the factor is exactly 100, mental math is trivial: just append two zeros to the number of ares (for whole numbers) or shift the decimal point two places right (for decimals). For instance, 12 ares = 1,200 m²; 0.75 ares = 75 m²; 6.3 ares = 630 m². To go the reverse direction (m² to ares), move the decimal two places left: 2,500 m² = 25 ares.
| Property Type | Ares | Square Meters |
|---|---|---|
| City apartment floor area | 0.5–1.5 | 50–150 |
| Terrace house garden | 1–2 | 100–200 |
| Suburban garden plot | 2–5 | 200–500 |
| Standard building lot (France) | 5–10 | 500–1,000 |
| Large suburban property | 10–15 | 1,000–1,500 |
| Country house with grounds | 15–30 | 1,500–3,000 |
| Small estate | 50–100 | 5,000–10,000 |
| Land Use | Ares | Square Meters |
|---|---|---|
| Community allotment plot | 1–3 | 100–300 |
| Market garden / potager | 3–10 | 300–1,000 |
| Small vineyard row block | 10–30 | 1,000–3,000 |
| Olive grove parcel | 20–50 | 2,000–5,000 |
| Small orchard | 30–80 | 3,000–8,000 |
| Medium crop field | 100–500 | 10,000–50,000 |
| Large agricultural parcel | 500–2,000 | 50,000–200,000 |
| Reference | Ares | Square Meters |
|---|---|---|
| Standard parking space | 0.12 | 12 |
| Tennis court (singles) | 1.95 | 195 |
| Basketball court | 4.20 | 420 |
| Olympic swimming pool area | 12.50 | 1,250 |
| Football/soccer pitch (typical) | 71.4 | 7,140 |
| Rugby pitch | 70.0 | 7,000 |
Property listings in France, Belgium, Switzerland, and Germany frequently quote land area in ares. Buyers need the square meter equivalent to compare plots, calculate building coverage ratios, and verify zoning compliance. Converting to m² is essential for making informed purchasing decisions.
Gardeners and landscape architects across Europe work with ares when discussing plot sizes, but need square meters for calculating material quantities — soil, mulch, paving, fencing, and turf. Converting to m² enables accurate cost estimates and material orders.
European farmers often describe parcels in ares but report crop yields per square meter or per hectare. Converting between these units is necessary for calculating seed density, fertilizer application rates, and irrigation needs for specific plot sizes.
Land registry offices in many European countries record property areas using the centiare-are-hectare system. Attorneys, notaries, and surveyors must fluently convert between ares and square meters when preparing deeds, title transfers, and boundary descriptions.
Since 1 are = 100 m² exactly, converting is as simple as appending two zeros or moving the decimal point two places to the right. No calculator needed for most values.
Remember the hierarchy: 1 centiare = 1 m², 1 are = 100 m², 1 hectare = 10,000 m². Each step is a factor of 100, keeping mental math clean and easy.
Despite the similar spelling, ares and acres are completely different units. One acre = 4,046.86 m², while one are = 100 m². An acre is over 40 times larger than an are.
One hectare = 100 ares = 10,000 m². Mixing up ares and hectares means being off by a factor of 100 — a costly mistake in real estate or agriculture.
To convert ares to square meters, multiply by 100. Dividing by 100 gives square meters to ares — the reverse direction. Always double-check: the m² number should be larger than the ares number.
One are equals exactly 100 square meters. The are is defined as a square with sides of 10 meters (10 m x 10 m = 100 m²). To convert any number of ares to square meters, simply multiply by 100.
One hectare equals exactly 100 ares. Since 1 are = 100 m² and 1 hectare = 10,000 m², there are 100 ares in a hectare. The progression is: 1 m² (centiare) → 1 are (100 m²) → 1 hectare (10,000 m² or 100 ares).
Ares are primarily used in France, Belgium, Luxembourg, Switzerland, Germany, and several Eastern European countries including Poland, Czech Republic, and the Baltic states. In these regions, property sizes for gardens, building plots, and small agricultural parcels are often quoted in ares.
One are (100 square meters) is roughly the floor area of a large apartment or the footprint of a small detached house. It is equivalent to a square plot measuring 10 meters by 10 meters, or about 32.8 feet by 32.8 feet — roughly one-quarter of a standard tennis court.
The are was deliberately defined during the French Revolution as part of the metric system to equal exactly 100 square meters. This base-10 relationship mirrors the broader metric principle: 100 centiares = 1 are, 100 ares = 1 hectare. The clean factor of 100 makes mental arithmetic trivial.
The are is not an official SI unit, but it is accepted for use with the SI system. The official SI unit of area is the square meter. However, the are and its multiple the hectare are explicitly listed by the International Bureau of Weights and Measures (BIPM) as units accepted for use alongside SI, especially for land measurement.
A centiare is one hundredth of an are, which equals exactly 1 square meter. The term is used in French-speaking countries and in official land registries. So the metric area hierarchy is: 1 centiare = 1 m², 1 are = 100 centiares = 100 m², 1 hectare = 100 ares = 10,000 m².
Yes. Since 1 are equals exactly 100 square meters with no rounding or approximation, this conversion is mathematically exact and suitable for all official purposes including land surveying, cadastral records, property titles, and legal documentation.
This calculator uses the exact conversion factor of 1 are = 100 square meters as defined by the metric system. For legal land descriptions, official cadastral records, and property transactions, always verify measurements with a licensed surveyor or refer to your jurisdiction's official measurement standards.