Square Footage Calculator

Calculate the square footage of various shapes including rectangles, circles, triangles, and more. Perfect for property areas, room measurements, and construction projects.

How to use: Select a shape below, enter the dimensions, and get instant square footage calculations with optional pricing estimates.
Rectangle
Circle
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Triangle
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Trapezoid

Rectangle Area Calculator

Rectangle Area Result

Understanding Square Footage Calculations

Square footage calculation involves determining the area of different geometric shapes using specific mathematical formulas. Our calculator supports the most common shapes used in construction, landscaping, and property measurement.

Whether you're planning a flooring project, calculating property area, or determining material needs for construction, understanding square footage is essential for accurate estimates and cost calculations.

Measurement Conversion Reference

For accurate calculations, use these common area conversions:

• 1 acre = 43,560 square feet
• 1 square yard = 9 square feet
• 1 square meter = 10.76 square feet
• 1 square inch = 0.00064516 square feet

Practical Applications

Square footage calculations are essential for various projects and planning activities. Whether you're calculating flooring needs, paint coverage, or property values, accurate area measurements ensure proper material estimates and cost calculations.

Tips for Accurate Measurements

For complex areas, break them down into simpler shapes and add the results together. Always double-check your measurements and consider adding 5-10% extra for waste when ordering materials. Different units can be mixed - our calculator automatically handles conversions.

Common Use Cases

Real estate professionals use square footage for property valuations, contractors need it for material estimates, and homeowners calculate it for renovation planning. Garden and landscape projects also rely on accurate area calculations for soil, mulch, and seed requirements.