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Square Footage Calculator

Calculate area for various shapes including rectangles, circles, triangles, and more

Shape Dimensions
Enter dimensions for your shape
Area Calculation
Calculated area in selected units
100
Square Feet
Formula: Area = Length × Width
Common Area Conversions
Quick reference for area unit conversions

Square Feet

  • 1 ft² = 144 in²
  • 1 ft² = 0.0929 m²
  • 1 ft² = 929 cm²
  • 1 ft² = 0.111 yd²

Acres

  • 1 acre = 43,560 ft²
  • 1 acre = 4,840 yd²
  • 1 acre = 0.4047 hectares
  • 1 acre = 4,047 m²

Square Meters

  • 1 m² = 10.764 ft²
  • 1 m² = 1.196 yd²
  • 1 m² = 10,000 cm²
  • 1 m² = 0.0001 hectares
Common Room Sizes
Typical square footage for common rooms and spaces

Residential Rooms

  • Bedroom: 120-200 ft²
  • Living Room: 250-400 ft²
  • Kitchen: 150-300 ft²
  • Bathroom: 40-100 ft²
  • Dining Room: 150-250 ft²

Home Sizes

  • Studio Apartment: 400-600 ft²
  • 1 Bedroom: 600-900 ft²
  • 2 Bedroom: 900-1,400 ft²
  • 3 Bedroom: 1,400-2,000 ft²
  • 4+ Bedroom: 2,000+ ft²

Commercial Spaces

  • Small Office: 150-300 ft²
  • Retail Store: 1,000-5,000 ft²
  • Restaurant: 2,000-6,000 ft²
  • Warehouse: 5,000-50,000+ ft²