Convert Are to Square Foot
Convert ares to square feet instantly. 1 are = 1076.391041671 square foot — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Square Foot to Are converter for the reverse conversion.
Units explained
Are
An are is a metric unit of area equal to 100 square meters. It is used in some European countries for land measurement, especially for smaller plots like vineyards and gardens.
Introduced as part of the French metric system in 1795. The name comes from the Latin 'area' meaning surface or open ground.
Ares are still used in some European countries (especially Switzerland and France) for small-plot land measurement. In Switzerland, an are is a common unit for vineyard size. Most modern contexts prefer square meters or hectares.
Defined in 1795 in France as part of the original metric system.
Square Foot
A square foot is an imperial unit of area equal to exactly 0.09290304 m². It is the dominant unit for real estate area measurement in the United States and is widely used in India for residential property listings.
Derived by squaring the foot. The foot was standardized to exactly 0.3048 m via the 1959 International Yard and Pound Agreement.
Square feet are the standard unit for US real estate floor area, HVAC capacity ratings (BTU per ft²), commercial leasing, and construction. In India, square feet is the dominant unit for residential property advertisements alongside traditional regional units.
Foot dates to ancient civilizations; modern exact value standardized in 1959.
Are to Square Foot conversion formula
The relationship between ares and square feet:
To convert ares to square feet, multiply the value in ares by 1076.391041671. To reverse, multiply square feet by 0.0009290304.
How to use this converter
Type a value into the calculator. The result in square feet updates as you type. Tap a quick value, copy the result with one click, or use the swap arrow to jump straight to the Square Foot to Are converter for the reverse direction.
Step-by-step: convert ares to square feet
- Write down the value in ares (a).
- Multiply that value by the factor 1076.391041671.
- The product is the equivalent value in square feet (ft²).
- To reverse, multiply the square foot value by 0.0009290304.
Worked examples
Example 1 — Convert 1 a to ft²:
1 × 1076.391041671 = 1076.391041671 ft²
Example 2 — Convert 100 a to ft²:
100 × 1076.391041671 = 107639.1041670972 ft²
Are to Square Foot conversion table
Standard reference values for converting ares to square feet:
| Are [a] | Square Foot [ft²] |
|---|---|
| 0.01 | 10.7639104167 |
| 0.1 | 107.6391041671 |
| 1 | 1076.391041671 |
| 2 | 2152.7820833419 |
| 3 | 3229.1731250129 |
| 4 | 4305.5641666839 |
| 5 | 5381.9552083549 |
| 10 | 10763.9104167097 |
| 20 | 21527.8208334194 |
| 30 | 32291.7312501292 |
| 40 | 43055.6416668389 |
| 50 | 53819.5520835486 |
| 100 | 107639.1041670972 |
| 500 | 538195.520835486 |
| 1000 | 1076391.041670972 |
Frequently asked questions
How many square feet is 1 are?
How do I convert ares to square feet?
How do I convert square feet back to ares?
How many square feet is 100 ares?
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Metric / SI (15 units)
Imperial / US Customary (3 units)
Sources & references
Conversion factor (1 a = 1076.391041671 ft²) verified against the following authoritative sources:
- BIPM — The International System of Units (SI Brochure 9th ed.)
Official BIPM publication defining the seven SI base units (including the meter) and the rules for their use. The global authority on units of measurement.
- NIST — Guide to the SI
US National Institute of Standards and Technology reference covering the SI base and derived units with definitions and usage rules for US technical practice.
- NIST Special Publication 811 — Guide for the Use of the International System of Units
Detailed NIST guide covering exact conversion factors between SI and US customary units along with formatting and rounding conventions.
- NIST — Refinement of values for the yard and pound (Federal Register 1959)
The treaty (signed by US
- International Astronomical Union — System of Astronomical Constants
The IAU defines astronomical units including the AU (149597870700 m exactly) light-year and parsec used in astronomy and astrophysics.