Area Formulas:
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Square footage is a measurement of area expressed in square feet (sq ft). It's commonly used in real estate, construction, and interior design to measure the size of spaces, rooms, or properties.
The calculator uses different formulas based on shape:
Where:
Details: Accurate area calculations are essential for determining material quantities, space planning, property valuation, and construction projects.
Tips: Select the shape, then enter the required dimensions in feet. All values must be positive numbers.
Q1: How do I measure irregular shapes?
A: Break them down into regular shapes (rectangles, triangles), calculate each area separately, then sum them.
Q2: How many square feet in an acre?
A: 1 acre = 43,560 square feet.
Q3: What's the difference between sq ft and linear ft?
A: Square feet measures area (length × width), while linear feet measures length only.
Q4: How accurate should measurements be?
A: For most purposes, measuring to the nearest 1/4 foot (3 inches) is sufficient.
Q5: How to convert sq ft to other units?
A: 1 sq ft = 0.0929 sq meters; 1 sq meter = 10.764 sq ft.