Convert square foot to square inch
square foot
Definition: A square foot (symbol: sq ft) is a unit of area used in the imperial and US customary systems (UCS). It is defined as the area of a square with one-foot sides. One square foot equals 144 square inches.
History/origin: The origin of the square foot can be seen in the term itself. It is a measurement derived from the area of a square with a side length measured in feet.
Current use: The square foot is mainly used in the United States but is also used to some extent in countries such as the United Kingdom, Canada, Malaysia, Singapore, Pakistan, Bangladesh, India, and Hong Kong. In these countries, area in real estate, architecture, and of interior spaces is often specified in terms of square footage.
square inch
Definition: Square inch is a measure of area, the extent of a two-dimensional surface. For conversion purposes, its value is 0.00064516 times the reference unit, square meter.
square foot to square inch Conversion Table
| square foot [ft^2] | square inch [in^2] |
|---|---|
| 0.01 square foot | 1.44 square inch |
| 0.10 square foot | 14.40 square inch |
| 1 square foot | 144.00 square inch |
| 2 square foot | 288.00 square inch |
| 3 square foot | 432.00 square inch |
| 5 square foot | 720.00 square inch |
| 10 square foot | 1440 square inch |
| 20 square foot | 2880 square inch |
| 50 square foot | 7200 square inch |
| 100 square foot | 14400 square inch |
| 1000 square foot | 144000 square inch |
How to Convert square foot to square inch
1 square foot = 144.00 square inch
1 square inch = 0.006944 square foot
Example
Convert 15 square foot to square inch:
15 square foot = 15 × 144.00 square inch = 2160 square inch
