Home Back

Square Feet From Inches Calculator

Square Feet Formula:

\[ SF = \frac{L \times W}{144} \]

inches
inches

Unit Converter ▲

Unit Converter ▼

From: To:

1. What is the Square Feet Calculation?

The square feet calculation converts area measurements from square inches to square feet. This is particularly useful in construction, flooring, and various measurement applications where imperial units are used.

2. How Does the Calculator Work?

The calculator uses the square feet formula:

\[ SF = \frac{L \times W}{144} \]

Where:

Explanation: The formula converts the area from square inches to square feet by dividing by 144, since there are 144 square inches in one square foot.

3. Importance of Square Feet Calculation

Details: Accurate square footage calculation is essential for construction projects, flooring installation, painting estimates, and various real estate applications where precise area measurements are required.

4. Using the Calculator

Tips: Enter length and width measurements in inches. Both values must be positive numbers. The calculator will automatically convert to square feet.

5. Frequently Asked Questions (FAQ)

Q1: Why divide by 144?
A: Because 1 square foot equals 12 inches × 12 inches = 144 square inches.

Q2: Can I use this for circular areas?
A: No, this formula is for rectangular areas. For circles, use πr² and then divide by 144.

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 should my measurements be?
A: For most applications, measurements to the nearest 1/4 inch are sufficient, but precision depends on your specific needs.

Q5: Can I convert square feet back to square inches?
A: Yes, simply multiply square feet by 144 to get square inches.

Square Feet From Inches Calculator© - All Rights Reserved 2025