Square Foot to Square Inch Converter
Convert Square Feet to Square Inches
Quick Conversions
How to Convert Square Feet to Square Inches
To convert from square feet (ft²) to square inches (in²), you multiply the area in square feet by 144. For more information about square feet as a unit of measurement, visit our square feet page.
Formula
Square Inches = Square Feet × 144
or
in² = ft² × 144
Step-by-step process
- Take the area in square feet.
- Multiply it by 144.
- The result is the equivalent area in square inches.
Examples
- 1 ft² = 1 × 144 = 144 in²
- 5 ft² = 5 × 144 = 720 in²
- 10 ft² = 10 × 144 = 1,440 in²
- 25 ft² = 25 × 144 = 3,600 in²
When to Convert Square Feet to Square Inches
This conversion is useful when working with smaller areas, such as in design and manufacturing.
Design and Art
Artists and designers often work with smaller dimensions where square inches are a more practical unit of measurement.
Manufacturing
In manufacturing, the dimensions of small parts are often measured in inches, making square inches a useful unit for area.
Common Square Feet to Square Inches Conversions
Here is a table of common conversions for quick reference:
| Square Feet (ft²) | Square Inches (in²) | Square Feet (ft²) | Square Inches (in²) |
|---|---|---|---|
| 1 | 144 | 20 | 2,880 |
| 2 | 288 | 30 | 4,320 |
| 5 | 720 | 40 | 5,760 |
| 10 | 1,440 | 50 | 7,200 |
| 15 | 2,160 | 100 | 14,400 |
Frequently Asked Questions
How many square inches are in a square foot?
There are 144 square inches in a square foot.
How do I convert square inches to square feet?
To convert from square inches to square feet, you divide the area in square inches by 144. For example, 720 in² is equal to 720 / 144 = 5 ft².