Square Footage Formula:
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Square footage calculation measures the area of a space in square feet. It's commonly used in construction, real estate, flooring, painting, and landscaping to determine material quantities and project costs.
The calculator uses the simple area formula:
Where:
Conversion factors:
Details: Accurate square footage calculation is essential for material estimation, cost calculation, space planning, and compliance with building codes and regulations.
Tips: Enter measurements in any combination of feet, inches, and millimeters. The calculator automatically converts all inputs to feet before calculating the area. Use decimal values for partial measurements.
Q1: Why use multiple measurement units?
A: Different industries and regions use different measurement systems. This calculator accommodates feet (imperial), inches (imperial), and millimeters (metric) for flexibility.
Q2: How accurate is the conversion?
A: The conversion uses precise factors: 1 inch = 0.0833333 feet and 1 mm = 0.00328084 feet, providing high accuracy for most practical applications.
Q3: Can I use only one measurement unit?
A: Yes, you can enter values in just one unit (feet, inches, or mm) and leave the others at zero for each dimension.
Q4: What about irregular shapes?
A: This calculator is for rectangular areas. For irregular shapes, break the area into rectangular sections and calculate each separately.
Q5: How do I calculate square meters?
A: Multiply square feet by 0.092903 to convert to square meters, or use a dedicated metric area calculator.