Area Converter
Welcome to the comprehensive area conversion calculator designed for converting between square meters, square feet, acres, hectares, and all major area units. Whether you're working on real estate measurements, land surveying, construction projects, gardening, interior design, or international property transactions, our calculator provides instant, accurate conversions with detailed formulas and explanations.
Universal Area Converter
Convert Any Area Unit
Select your units and enter a value to convert instantly between all major area measurements.
Conversion Result
Quick Conversions
Common Area Conversions
1 Square Meter
1 Acre
1 Hectare
1 Square Mile
Area Conversion Formulas
Square Meters to Square Feet
\[ \text{Square Feet} = \text{Square Meters} \times 10.7639 \]
Example: 100 m² = 100 × 10.7639 = 1,076.39 ft²
Acres to Hectares
\[ \text{Hectares} = \text{Acres} \times 0.404686 \]
Example: 5 acres = 5 × 0.404686 = 2.023 ha
General Area Conversion Formula
\[ A_{\text{new}} = A_{\text{original}} \times \left(\frac{L_{\text{new}}}{L_{\text{original}}}\right)^2 \]
Where L represents the length conversion factor between units
Understanding Area Units
Square Meter (m²)
The square meter is the SI unit of area, defined as the area of a square with sides of one meter. It's the standard unit for measuring floor space, land area, and surface areas in most countries worldwide. One square meter equals approximately 10.764 square feet.
Square Foot (ft²)
The square foot is the imperial unit of area, defined as the area of a square with sides of one foot. Commonly used in the United States, United Kingdom, and Canada for real estate, construction, and interior spaces. One square foot equals approximately 0.0929 square meters.
Acre
An acre is a unit of area commonly used in the United States and United Kingdom for measuring land. Historically defined as the area one could plow in a day with a yoke of oxen, it now equals exactly 43,560 square feet or approximately 4,047 square meters. One acre is about 90% of an American football field.
Hectare (ha)
The hectare is a metric unit of area equal to 10,000 square meters or 100 ares. It's widely used for measuring land, particularly agricultural land, forests, and large properties. One hectare equals approximately 2.471 acres and represents a square with 100-meter sides.
Square Kilometer (km²)
A square kilometer is a unit of area equal to one million square meters. It's used for measuring large land areas such as cities, countries, lakes, and forests. One square kilometer equals approximately 0.386 square miles or 247 acres.
Square Mile (mi²)
The square mile is an imperial unit of area used primarily in the United States and United Kingdom for measuring large land areas. One square mile equals exactly 640 acres or approximately 2.59 square kilometers.
Comprehensive Conversion Tables
Metric Area Units Conversion
| Unit | Square Meters (m²) | Square Feet (ft²) | Acres |
|---|---|---|---|
| 1 Square Meter | 1 m² | 10.764 ft² | 0.000247 acres |
| 1 Square Kilometer | 1,000,000 m² | 10,763,910 ft² | 247.105 acres |
| 1 Hectare | 10,000 m² | 107,639 ft² | 2.471 acres |
| 1 Square Centimeter | 0.0001 m² | 0.00108 ft² | 2.47×10⁻⁸ acres |
Imperial Area Units Conversion
| Unit | Square Feet (ft²) | Square Meters (m²) | Acres |
|---|---|---|---|
| 1 Square Foot | 1 ft² | 0.0929 m² | 0.0000229 acres |
| 1 Square Yard | 9 ft² | 0.836 m² | 0.000206 acres |
| 1 Square Mile | 27,878,400 ft² | 2,589,988 m² | 640 acres |
| 1 Acre | 43,560 ft² | 4,046.86 m² | 1 acre |
Quick Reference: Common Area Conversions
| From | To | Multiply By | Example |
|---|---|---|---|
| m² to ft² | Square Feet | 10.7639 | 50 m² = 538.20 ft² |
| ft² to m² | Square Meters | 0.092903 | 1,000 ft² = 92.90 m² |
| Acres to m² | Square Meters | 4,046.86 | 2 acres = 8,093.71 m² |
| Hectares to Acres | Acres | 2.47105 | 5 ha = 12.36 acres |
| km² to mi² | Square Miles | 0.386102 | 10 km² = 3.86 mi² |
| mi² to km² | Square Kilometers | 2.58999 | 5 mi² = 12.95 km² |
Practical Conversion Examples
Example 1: Converting a House Floor Plan
A house has 150 square meters of floor space. Convert to square feet.
\[ 150 \text{ m}^2 \times 10.7639 = 1,614.59 \text{ ft}^2 \]
Result: 150 m² = 1,614.59 square feet
Example 2: Converting Agricultural Land
A farm measures 25 acres. Convert to hectares.
\[ 25 \text{ acres} \times 0.404686 = 10.117 \text{ hectares} \]
Result: 25 acres = 10.12 hectares
Example 3: Converting a City's Area
A city covers 500 square kilometers. Convert to square miles.
\[ 500 \text{ km}^2 \times 0.386102 = 193.051 \text{ mi}^2 \]
Result: 500 km² = 193.05 square miles
Applications of Area Conversion
- Real Estate: Converting property sizes for international listings, comparing prices per square foot/meter
- Construction: Calculating material requirements, floor areas, and site measurements
- Agriculture: Measuring farmland, crop areas, and irrigation zones across different systems
- Interior Design: Planning floor coverings, paint quantities, and furniture placement
- Land Surveying: Professional land measurements for property boundaries and development
- Urban Planning: City development, zoning regulations, and infrastructure planning
- Environmental Science: Forest coverage, habitat areas, and conservation measurements
- Education: Teaching students about measurement systems and geometric calculations
Tips for Accurate Area Conversions
- Remember It's Squared: Area conversions require squaring the length conversion factor (e.g., 1 m = 3.28 ft, so 1 m² = 10.76 ft²)
- Use Exact Factors: For professional work, use precise conversion factors: 1 m² = 10.763910417 ft² exactly
- Check Your Units: Always verify whether you're working with linear or area measurements
- Consider Context: Real estate often rounds to whole numbers; surveying requires precision
- Visualize the Scale: Know common references like a tennis court (≈260 m²) or football field (≈5,350 m²)
- Double-Check Large Conversions: Verify conversions between acres/hectares and square meters carefully
- Use Appropriate Precision: Round based on application—construction needs precision, estimates can be approximate
Common Area Measurement Questions
How many square feet in a square meter?
There are approximately 10.764 square feet in one square meter. This means one square meter is slightly larger than 10 square feet. For quick mental math, you can use 10.8 as an approximation.
How many acres in a hectare?
There are approximately 2.471 acres in one hectare. A hectare is larger than an acre—specifically about 2.5 times larger. One hectare equals exactly 10,000 square meters.
How do I calculate square footage?
To calculate square footage of a rectangular area, multiply length by width (both in feet). For example, a room 12 feet long and 10 feet wide has 120 square feet. For irregular shapes, divide into rectangles and sum the areas.
What's the difference between linear and area measurements?
Linear measurements are one-dimensional (length, width, height) measured in feet, meters, etc. Area measurements are two-dimensional (length × width) measured in square feet, square meters, etc. When converting area units, you must square the length conversion factor.
Why Choose RevisionTown for Conversion Tools?
RevisionTown specializes in creating accurate, user-friendly calculators and educational resources for students, professionals, and anyone needing reliable measurement conversions. Our area conversion calculator is designed by expert educators who understand both the mathematics and practical applications across multiple fields.
Whether you're a student learning about measurement systems in IB, AP, GCSE, IGCSE curricula, a real estate professional comparing international properties, an engineer working on construction projects, or anyone needing accurate area conversions, our calculator provides instant results with clear explanations.
Our commitment to educational excellence extends beyond simple conversion—we provide context, formulas, comprehensive tables, and practical understanding. The area converter exemplifies our approach: support for all major area units, clear mathematical formulas, extensive reference tables, real-world examples, and tools that serve genuine needs in education, business, and daily life.
Disclaimer: This area conversion calculator is provided for educational and general purposes. While we strive for maximum accuracy using internationally standardized conversion factors, results should be verified for critical applications such as legal property boundaries, construction specifications, or official land surveys. Different rounding conventions may produce slight variations. For legal, engineering, or safety-critical applications, consult professional surveyors and verify all conversions. Conversion factors used: 1 m² = 10.7639104167 ft² exactly, 1 acre = 4,046.8564224 m² exactly, 1 hectare = 10,000 m² exactly.
