Square Feet Formula:
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Square feet calculation is a method to determine the area of a two-dimensional space. When working with measurements in inches, we convert to square feet by dividing the product of length and width by 144 (since 1 square foot = 144 square inches).
The calculator uses the formula:
Where:
Explanation: This formula converts the area from square inches to square feet by dividing by 144, which represents the number of square inches in one square foot.
Details: Accurate area calculation is essential for various applications including construction, flooring installation, painting projects, landscaping, and material estimation for home improvement projects.
Tips: Enter both length and width measurements in inches. Use decimal values for fractional inches (e.g., 6.5 for 6½ inches). Both values must be greater than zero.
Q1: Why divide by 144?
A: Because 1 square foot equals 12 inches × 12 inches = 144 square inches. Dividing by 144 converts square inches to square feet.
Q2: Can I use feet and inches together?
A: For this calculator, convert all measurements to inches first (1 foot = 12 inches) before entering values.
Q3: How accurate is this calculation?
A: The calculation is mathematically precise. Accuracy depends on the precision of your measurements.
Q4: What if I have irregular shapes?
A: This calculator is for rectangular areas. For irregular shapes, break them down into rectangular sections and calculate each separately.
Q5: Can I calculate square yards instead?
A: To get square yards, first calculate square feet, then divide by 9 (since 1 square yard = 9 square feet).