Area Converter
Convert square meters, square feet, acres, hectares, and more
💡 Tip: Press Ctrl+D for dark mode, Ctrl+K to focus converter
📐 Area Converter
Convert between square meters, square feet, acres, hectares, and more
Area Conversion Guide
Common Area Conversions
| From | To | Multiply By | Example |
|---|---|---|---|
| Square Meters | Square Feet | 10.7639 | 1 m² = 10.7639 ft² |
| Square Feet | Square Meters | 0.092903 | 1 ft² = 0.092903 m² |
| Acres | Hectares | 0.404686 | 1 acre = 0.4047 ha |
| Hectares | Acres | 2.47105 | 1 ha = 2.471 acres |
| Square Kilometers | Square Miles | 0.386102 | 1 km² = 0.386 mi² |
| Square Miles | Square Kilometers | 2.58999 | 1 mi² = 2.59 km² |
| Square Yards | Square Meters | 0.836127 | 1 yd² = 0.836 m² |
| Hectares | Square Meters | 10,000 | 1 ha = 10,000 m² |
| Acres | Square Feet | 43,560 | 1 acre = 43,560 ft² |
Understanding Area Units
Metric System (International)
Square Meter (m²) - The SI unit of area. Equal to the area of a square with sides of 1 meter. Commonly used for room sizes, apartments, and small land plots.
Square Kilometer (km²) - 1,000,000 square meters. Used for cities, countries, and large geographic areas.
Hectare (ha) - 10,000 square meters or 100m × 100m. Commonly used in agriculture, forestry, and land management. 1 hectare = 2.471 acres.
Square Centimeter (cm²) - 1/10,000 of a square meter. Used for small surface areas like paper, screens, and small objects.
Imperial/US System
Square Foot (ft²) - Equal to the area of a square with sides of 1 foot. Standard unit for房間, homes, and buildings in the US.
Acre - 43,560 square feet or about 4,047 square meters. Traditionally the amount of land a yoke of oxen could plow in one day. Used for farmland and large properties.
Square Yard (yd²) - 9 square feet or 0.836 square meters. Used for carpeting, concrete, and landscaping.
Square Mile (mi²) - 640 acres or 2.59 square kilometers. Used for large land areas, cities, and geographic regions.
Square Inch (in²) - Used for small areas like screens, tiles, and technical drawings.
Practical Examples
- 🏠 Average House: 2,000 ft² (185.8 m²)
- 🏢 Office Space: 1,000 m² (10,764 ft²)
- 🏟️ Football Field: ~5,350 m² (1.32 acres or 57,600 ft²)
- 🌾 Small Farm: 40 hectares (98.8 acres)
- 🏙️ Central Park (NYC): 3.41 km² (1.32 mi² or 843 acres)
- 🌍 Rhode Island: 4,002 km² (1,545 mi²)
- 🏀 Basketball Court: 436.6 m² (4,700 ft²)
- 📱 iPhone Screen: ~100 cm² (15.5 in²)
Why Convert Between Area Units?
Area conversion is essential in many situations:
- 🏡 Real Estate: Property sizes listed in different units globally
- 🌾 Agriculture: Farm and field measurements (acres vs hectares)
- 🏗️ Construction: Building plans may use different units
- 🗺️ Geography: Comparing city, state, and country sizes
- 🎨 Interior Design: Room sizes and flooring calculations
- 🌍 International Business: Land deals across countries
- 📊 Data Analysis: Comparing population density
Area Calculation Formulas
Rectangle:
Area = Length × Width
Square:
Area = Side²
Circle:
Area = π × Radius²
or
Area = π × (Diameter/2)²
Triangle:
Area = (Base × Height) / 2
Quick Mental Math Tips
Square Meters to Square Feet:
- Multiply m² by 10 for rough estimate → Example: 50 m² ≈ 500 ft² (actual: 538 ft²)
- More accurate: multiply by 10.76 or by 11 minus 2%
Acres to Hectares:
- Divide acres by 2.5 (or multiply by 0.4) → Example: 10 acres ÷ 2.5 = 4 hectares ✓
Hectares to Acres:
- Multiply hectares by 2.5 → Example: 4 hectares × 2.5 = 10 acres ✓
Land Measurement History
Interesting Facts:
- 📜 Acre origin: One acre was the amount of land a single yoke of oxen could plow in one day
- 📏 Hectare definition: A hectare is a square with 100m sides (hecto = hundred)
- 🌾 Square mile: Exactly 640 acres (from British land surveys)
- 📐 Square meter: Based on the meter, originally defined as 1/10,000,000 of the distance from equator to North Pole
Frequently Asked Questions
How do I convert square meters to square feet?
Multiply the square meter value by 10.7639. For example, 100 m² × 10.7639 = 1,076.39 ft². This conversion is based on the fact that 1 meter = 3.28084 feet, so 1 m² = (3.28084)² ft².
How many square feet are in a square meter?
There are exactly 10.7639 square feet in one square meter. Conversely, 1 square foot equals 0.092903 square meters.
How do I convert acres to hectares?
Multiply acres by 0.404686. For example, 10 acres × 0.404686 = 4.047 hectares. Or divide acres by 2.471. Remember: 1 hectare ≈ 2.5 acres.
What is a hectare?
A hectare is a metric unit of area equal to 10,000 square meters or a square 100m × 100m. It equals 2.471 acres and is commonly used worldwide for agricultural land and real estate.
How many square feet in an acre?
There are exactly 43,560 square feet in one acre. This comes from the traditional definition: 1 acre = 1 chain × 1 furlong = 66 feet × 660 feet = 43,560 ft².
Can I convert area to length?
No, you cannot directly convert area to length - they measure different things. However, if you know the shape (like a square), you can calculate side length. For a square: Side = √Area.
Quick Reference Chart
1 Square Meter equals:
- 10.7639 square feet
- 1.19599 square yards
- 1,550 square inches
- 10,000 square centimeters
- 0.0001 hectares
- 0.000247105 acres
1 Acre equals:
- 43,560 square feet
- 4,840 square yards
- 4,046.86 square meters
- 0.404686 hectares
- 0.00156 square miles
1 Hectare equals:
- 10,000 square meters
- 2.47105 acres
- 107,639 square feet
- 0.01 square kilometers