1 ft² equals 144 in². To convert Square foot to Square inch, multiply the value by 144; divide by 144 to convert back. Enter any number above and the result appears instantly — free and entirely in your browser.
How do you convert Square foot to Square inch?
The conversion formula is in² = ft² × 144. The conversion factor is fixed by definition, so the result is always exact.
Square foot to Square inch conversion table
| ft² | in² |
|---|---|
| 1 ft² | 144 in² |
| 5 ft² | 720 in² |
| 10 ft² | 1,440 in² |
| 50 ft² | 7,200 in² |
| 100 ft² | 14,400 in² |
| 1,000 ft² | 144,000 in² |
What is Square foot (ft²)?
The square foot (ft²) is the imperial area unit for homes and offices in the US and UK, equal to exactly 0.09290304 m². A 1,000 ft² apartment is about 93 m².
What is Square inch (in²)?
The square inch (in²) is the area of a square with one-inch sides, exactly 6.4516 cm². It is used in the US and UK for small areas such as displays, pipes and material cross-sections.
Why convert Square foot to Square inch?
Metric countries measure land in square metres and hectares, while the US and UK use square feet and acres. Flats, plots and farmland constantly mix these units, so converting area is routine in real estate, gardening and agriculture.
One hectare is defined as exactly 10,000 m² (BIPM SI brochure), and one international acre is exactly 4,046.8564224 m² — so 1 ha equals about 2.4711 acres. A standard football pitch covers roughly 0.7 ha.
How to convert Square foot to Square inch
- Enter the value in Square foot into the left field of the converter.
- Read the result in Square inch instantly in the right field — it updates automatically.
- Use the swap button to reverse the direction (Square inch to Square foot).
The converter runs entirely in your browser: no uploads, no queue, no limits. You can even use it offline.