📏 Area Unit Converter

Convert between square meters, hectares, acres, and square feet for land, real estate, and construction measurements.

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Common Units
Formulas
Examples
Guide

📏 Area Unit Converter

⚡ Quick Conversions

1 ha → m²
1 acre → m²
100 m² → ft²
1 km² → ha
1000 ft² → m²
1 mi² → km²
10000 m² → ha
1 yd² → ft²

📏 Common Area Conversions

📊 Essential Area Conversions

🌍 Metric ↔ Imperial Land

  • 1 hectare 10,000 m² = 2.471 acres
  • 1 acre 4,047 m² = 0.405 hectares
  • 1 km² 100 hectares = 247.1 acres
  • 1 mi² 2.59 km² = 640 acres
  • 1 are 100 m² = 0.0247 acres

🏠 Construction & Real Estate

  • 1 m² 10.764 ft² = 1.196 yd²
  • 1 ft² 0.0929 m² = 144 in²
  • 1 yd² 0.836 m² = 9 ft²
  • 100 m² 1,076 ft² = 119.6 yd²
  • 1000 ft² 92.9 m² = 111.1 yd²

🌾 Agriculture & Farming

  • 1 hectare 2.471 acres = 10,000 m²
  • 1 acre 4,047 m² = 43,560 ft²
  • 100 hectares 1 km² = 247.1 acres
  • 640 acres 1 mi² = 2.59 km²
  • 10 acres 40,469 m² = 4.05 hectares

🌏 Regional & Cultural Units

  • 1 dunam 1,000 m² = 0.1 hectares
  • 1 pyeong 3.306 m² = 35.58 ft²
  • 1 tatami 1.653 m² = 17.8 ft²
  • 1 barn 10⁝²⁸ m² (nuclear physics)
  • 1 are 100 m² = 1,076 ft²

🧮 Area Conversion Formulas

📏 Area Conversion Formulas

Metric Conversions

km² = m² á 1,000,000
hectares = m² á 10,000
ares = m² á 100
cm² = m² × 10,000
mm² = m² × 1,000,000

Imperial Conversions

ft² = in² á 144
yd² = ft² á 9
acres = ft² á 43,560
mi² = acres á 640

Metric ↔ Imperial

ft² = m² × 10.7639
m² = ft² × 0.092903
acres = hectares × 2.47105
hectares = acres × 0.404686

Common Area Calculations

Rectangle: Area = length × width
Circle: Area = π × radius²
Triangle: Area = (base × height) ÷ 2
Trapezoid: Area = (base1 + base2) × height ÷ 2

Regional Units

dunam = m² á 1,000
pyeong = m² á 3.306
tatami = m² á 1.653
barn = m² á 10⁝²⁸ (nuclear physics)

📋 Real-World Examples

🏠 Real Estate & Property

Property listings, house sizes, lot measurements, apartment areas. Essential for real estate agents, property developers, and homebuyers comparing properties across different regions.

🌾 Agriculture & Farming

Farm field sizes, crop planning, land management, irrigation coverage. Critical for farmers, agricultural consultants, and land management professionals planning cultivation areas.

🏗️ Construction & Architecture

Building floor areas, material calculations, site planning, zoning requirements. Important for architects, engineers, contractors, and construction project managers.

🗺️ Urban Planning & Development

City zoning, park areas, development projects, land use planning. Used by urban planners, municipal authorities, and development project coordinators.

🌍 Environmental & Conservation

Forest coverage, protected areas, habitat measurements, ecological studies. Essential for environmental scientists, conservationists, and wildlife researchers.

🎨 Interior Design & Flooring

Room sizes, flooring calculations, carpet measurements, space planning. Important for interior designers, flooring contractors, and home renovation professionals.

📊 Geographic Information Systems

GIS mapping, spatial analysis, geographic data processing, cartography. Used by GIS specialists, geographers, and spatial data analysts.

⚖️ Legal & Land Surveying

Property boundaries, legal descriptions, land disputes, surveying records. Critical for surveyors, legal professionals, and property boundary specialists.

📖 Area Measurement Guide

Understanding Area Measurements

Area measures the amount of space inside a two-dimensional shape or surface. Different systems and regions use various units for area measurement, making conversions essential for international communication and accurate calculations.

Metric System Area Units

Unit Symbol Equivalent (m²) Common Use
Square Meter m² 1 Base SI unit, general use
Square Kilometer km² 1,000,000 Large areas, countries, cities
Hectare ha 10,000 Agriculture, land management
Are a 100 Small land plots
Square Centimeter cm² 0.0001 Small surfaces, materials

Imperial System Area Units

  • Square Inch (in²): Smallest common unit, used for small surfaces
  • Square Foot (ft²): Standard for room sizes, floor areas
  • Square Yard (yd²): Carpeting, landscaping materials
  • Acre: Traditional land measurement, still widely used
  • Square Mile (mi²): Large geographic areas, territories

Land Measurement Systems

  • Hectare: International standard for land, exactly 10,000 m²
  • Acre: Traditional English unit, approximately 4,047 m²
  • Section: 1 square mile or 640 acres (US land surveying)
  • Quarter Section: 160 acres (historical homestead size)

Regional and Cultural Units

  • Dunam: Used in Middle East, exactly 1,000 m²
  • Pyeong: Korean unit, approximately 3.306 m²
  • Tatami: Japanese unit, varies but ~1.653 m²
  • Rai: Thai unit, 1,600 m²
  • Manzana: Central American unit, varies by country

Conversion Tips and Techniques

  • Metric conversions: Use powers of 10 (100, 1000, 10000)
  • Imperial conversions: Remember 144 in²/ft², 9 ft²/yd², 43,560 ft²/acre
  • Quick estimates: 1 hectare ≈ 2.5 acres, 1 m² ≈ 11 ft²
  • Land surveying: Use precise decimal conversions for legal work
  • Construction: Always verify units in building plans and specifications

Common Mistakes to Avoid

  • Confusing linear measurements with area measurements
  • Using approximate conversions for legal or construction work
  • Mixing different measurement systems in calculations
  • Forgetting to square linear conversion factors for area
  • Not accounting for irregular shapes in real-world applications

Professional Applications

  • Real Estate: Property listings, valuation, market analysis
  • Agriculture: Crop planning, yield calculations, land management
  • Construction: Material quantities, site planning, building codes
  • Urban Planning: Zoning, development density, public spaces
  • Environmental Science: Habitat conservation, impact assessment
  • Legal: Property boundaries, easements, land rights

Measurement Tools and Technology

  • Traditional: Measuring tapes, surveyor's chains, wheel measures
  • Modern: Laser rangefinders, GPS devices, digital measuring tools
  • Software: CAD programs, GIS systems, area calculation apps
  • Satellite: Remote sensing, aerial photography, satellite imagery