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Square Footage Calculator

Square Footage Calculator

Measurements

Results

— Enter values and click Calculate —

Reference Information

Area Formulas:

  • Rectangle: Length × Width
  • Triangle: ½ × Base × Height
  • Circle: π × Radius²
  • Trapezoid: ½ × (Top + Bottom) × Height

Unit Conversions:

  • 1 square foot = 144 square inches
  • 1 square foot = 0.093 square meters
  • 1 square yard = 9 square feet
  • 1 square meter = 10.764 square feet
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