Area Unit Converter
Convert between acres, hectares, square feet, square meters and more
Conversion Result:
| Unit | Symbol | Equivalent in Square Meters |
|---|---|---|
| Square Meter | m² | 1 |
| Square Kilometer | km² | 1,000,000 |
| Hectare | ha | 10,000 |
| Acre | ac | 4,046.86 |
| Square Foot | ft² | 0.092903 |
| Square Mile | mi² | 2,589,988 |
| Square Yard | yd² | 0.836127 |
Comprehensive Area Conversion Guide
Our Area Converter tool allows you to seamlessly convert between 27 different area measurement units, from common ones like acres and square feet to scientific units like square angstroms and barns. Whether you’re working on real estate, agriculture, construction, or scientific research, this tool provides accurate conversions instantly.
Why Area Conversion Matters
Area measurement is fundamental in numerous fields and applications:
- Real Estate: Property sizes are often listed in different units depending on the country (acres in the US, hectares in Europe)
- Agriculture: Farmers need to convert between units for land measurement and planning
- Construction: Building plans may use different units than the materials being ordered
- Science: Researchers work with everything from microscopic areas (square microns) to astronomical scales
- International Trade: Products like flooring or fabric may be sold in different area units globally
Common Area Unit Definitions
Understanding the units you’re converting between is essential for accurate measurements:
Metric System Units
- Square Meter (m²): The SI unit of area, equal to a square with 1 meter sides
- Hectare (ha): Equal to 10,000 square meters, commonly used for land measurement
- Are (a): Equal to 100 square meters, used in some European countries
Imperial/US Customary Units
- Acre: Traditionally the area a yoke of oxen could plow in one day, now standardized to 4,046.86 m²
- Square Foot (ft²): The area of a square with 1 foot sides, common in real estate
- Square Mile (mi²): Used for large areas like cities or counties (640 acres)
Specialized Units
- Barn: Used in nuclear physics (10⁻²⁸ m²) to measure cross sections
- Ping: A Taiwanese unit equal to about 3.306 m²
- Square Lightyear: An astronomical unit for measuring vast cosmic areas
How to Use the Area Converter
Our tool makes area conversion simple:
- Enter the value you want to convert (supports whole numbers, decimals, and fractions)
- Select the unit you’re converting from
- Select the unit you want to convert to
- Click “Convert Area” for instant results
Frequently Converted Areas
Here are some common area conversions for reference:
- 1 acre = 43,560 square feet = 0.404686 hectares
- 1 hectare = 2.47105 acres = 10,000 square meters
- 1 square mile = 640 acres = 2.58999 square kilometers
- 1 square foot = 0.092903 square meters = 144 square inches
- 1 square kilometer = 247.105 acres = 100 hectares
Tips for Accurate Area Conversion
- When measuring land, verify whether the local standard uses survey acres or international acres
- For scientific work, pay attention to significant figures in your conversions
- When converting between systems, consider using an intermediate conversion to square meters for accuracy
- For large areas, consider using scientific notation to avoid errors with many zeros