Engineering Tools

Square FootageCalculator

Calculate square footage for rooms, buildings, and land. Convert between different area units for construction and real estate.

Area Calculation

Area Results

Area300sq ft
Perimeter70ft

Conversions

Square Meters27.87 m²
Square Yards33.33 yd²
Square Inches43,200 in²
Acres0.007 ac
Cost at $5/sqft$1,500

Common Areas

  • Small room: 100-150 sqft
  • Bedroom: 120-200 sqft
  • Living room: 200-400 sqft
  • 1 car garage: 240-400 sqft

Formulas

  • Rectangle: L × W
  • Circle: π × r²
  • Triangle: ½ × b × h
  • 1 acre = 43,560 sqft

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