Convert square feet to square inches
Square feet to square inches. Enter a value to convert, or use the square feet to square inches chart further down the page.
1 square foot equals 144 square inches. Going the other way, 1 square inch = 0.006944444444 square feet.
How to convert square feet to square inches
To convert square feet to square inches, multiply the square foot value by 144. You can also divide by 0.006944444444 to get the same answer.
in² = ft² × 144
Worked example
Convert 15 ft² to square inches:
15 ft² = 2,160 in²
square feet to square inches conversion chart
Use this square feet to square inches table for quick reference without typing anything.
| square feet (ft²) | square inches (in²) |
|---|---|
| 0.01 ft² | 1.44 in² |
| 0.1 ft² | 14.4 in² |
| 1 ft² | 144 in² |
| 2 ft² | 288 in² |
| 3 ft² | 432 in² |
| 5 ft² | 720 in² |
| 10 ft² | 1,440 in² |
| 20 ft² | 2,880 in² |
| 50 ft² | 7,200 in² |
| 100 ft² | 14,400 in² |
| 1,000 ft² | 144,000 in² |
What is a square foot?
The square foot is exactly 0.09290304 square meters. It is the standard unit for stating floor area in US and UK real estate.
What is a square inch?
A square inch is exactly 6.4516 square centimeters, and there are 144 of them in a square foot. Material strength and pressure ratings are quoted per square inch.
Frequently asked questions
How many square inches are in a square foot?
1 square feet equals 144 square inches. Going the other way, 1 square inches is 0.006944444444 square feet.
How do you convert square feet to square inches?
To convert square feet to square inches, multiply the square foot value by 144. You can also divide by 0.006944444444 to get the same answer.
What is 10 square feet in square inches?
10 square feet equals 1,440 square inches. The conversion chart on this page lists the other values people look up most often.
Related area conversions
Convert square feet to other units
- square inches to square feet
- square feet to square meters
- square feet to acres
- square feet to hectares
- square feet to square kilometers
- square feet to square miles
- square feet to square yards
- square feet to square centimeters
Convert other units to square inches
- square meters to square inches
- acres to square inches
- hectares to square inches
- square kilometers to square inches
- square miles to square inches
- square yards to square inches
- square centimeters to square inches
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