Square Foot Formula:
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Square foot calculation converts measurements in inches to square feet, which is a standard unit of area measurement used in construction, real estate, and interior design.
The calculator uses the square foot formula:
Where:
Explanation: Since 1 square foot equals 144 square inches (12 inches × 12 inches), we divide the product of length and width by 144 to convert to square feet.
Details: Accurate area calculation is essential for determining material quantities, estimating costs, planning spaces, and complying with building codes and regulations.
Tips: Enter length and width in inches. Both values must be positive numbers. The calculator will automatically compute the area in square feet.
Q1: Why divide by 144?
A: Because 1 square foot equals 144 square inches (12 inches × 12 inches), so dividing by 144 converts square inches to square feet.
Q2: Can I use this for irregular shapes?
A: No, this calculator is designed for rectangular areas only. For irregular shapes, you would need to break them down into rectangular sections.
Q3: What's the difference between square feet and square inches?
A: Square feet is a larger unit of area measurement. 1 square foot = 144 square inches.
Q4: How accurate is this calculation?
A: The calculation is mathematically precise. Accuracy depends on the precision of your input measurements.
Q5: Can I use decimal values for inches?
A: Yes, the calculator accepts decimal values for more precise calculations.