Square Footage Calculator

Rectangle
Rectangle Border
Circle
Ring
Triangle (Edges)
Triangle (Base & Height)
Trapezoid
Sector
Parallelogram
Width Length
Border Width Width Length
Diameter
Border Width Outer Diameter
a b c
Base Height
Base 1 Base 2 Height
Radius Angle
Base Height

About Square Footage Calculator

Our Square Footage Calculator helps you determine the area of various shapes for your projects. Whether you are planning flooring, painting, landscaping, or construction, this tool provides accurate measurements to help you estimate materials and costs.

How to Use

  1. Select the shape that matches your project area from the tabs above
  2. Enter the required dimensions in your preferred units
  3. Optionally, add a price per unit area to calculate total cost
  4. Click Calculate to get the area and cost estimates

Common Applications

  • Flooring Installation: Calculate how much flooring material you need
  • Painting Projects: Determine wall or ceiling area for paint estimation
  • Landscaping: Measure garden beds, lawns, or hardscape areas
  • Construction: Calculate concrete, roofing, or siding requirements
  • Real Estate: Determine property or room sizes

Unit Conversions

Our calculator automatically converts between different units of measurement. Here are some common conversions:

  • 1 square foot = 0.0929 square meters
  • 1 square yard = 9 square feet
  • 1 acre = 43,560 square feet
  • 1 square meter = 10.764 square feet
Disclaimer: The calculations provided by this tool are estimates only. Actual requirements may vary based on specific project conditions, waste factors, and other variables. Always consult with a professional before making material purchases.

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