Inch to Square Feet Converter
Enter an area in square inches to convert it to square feet.
What your result means
This divides square inches by 144, since a square foot is 12 by 12 inches. It's handy when a material is spec'd in square inches but sold by the square foot, like tile or fabric. A 12 by 12 inch tile is exactly one square foot.
How to use this calculator
- Enter area in square inches.
- Read result in square feet.
- 1 sq ft = 144 sq inches.
- Useful for tile, fabric, small material calculations.
- Divide by 144 to convert.
The formula
sqFt = sqIn / 144
Divide the area in square inches by 144, since a square foot is 12 inches by 12 inches.
Worked example
Say you've got 864 sq inches. Divided by 144, that's 6 sq ft.
Area conversions
| Conversion | Value |
|---|---|
| 1 sq ft | 144 sq in |
| 1 sq yard | 9 sq ft (1,296 sq in) |
| 12 x 12 tile | 1 sq ft |
Tips & gotchas
- 1 sq ft is 144 sq inches (12 by 12).
- 1 sq yard is 9 sq ft, or 1,296 sq inches.
- Tile sizes are given in inches but ordered in square feet.
- Quick mental math: divide square inches by 144.
- A 12 by 12 inch tile is one square foot.
Frequently asked questions
How many sq inches in a sq foot?
144, which is 12 times 12.
How do I convert sq inches to sq feet?
Divide by 144.
Why is the conversion 144?
Because there are 12 inches in a foot, and for area you square it (12 by 12).
When would I use this?
Tile, fabric, paper, and small material orders that are spec'd in square inches.
How many sq ft in a 12 by 12 tile?
Exactly one square foot.
Related calculators
All Area & Volume Calculatorscalculator
Square Feet to Acres Calculatorcalculator
Tile Calculatorcalculator
Estimates only — see our full disclaimer.