Square feet to Square inches – square foot to square inch Converter
1 ft² = 144 in²
Formula
in² = ft² × 144
Square feet to square inches conversion table
| square feet (ft²) | square inches (in²) |
|---|---|
| 0.5 ft² | 72 in² |
| 1 ft² | 144 in² |
| 2 ft² | 288 in² |
| 3 ft² | 432 in² |
| 5 ft² | 720 in² |
| 10 ft² | 1440 in² |
| 20 ft² | 2880 in² |
| 25 ft² | 3600 in² |
| 50 ft² | 7200 in² |
| 75 ft² | 10800 in² |
| 100 ft² | 14400 in² |
| 250 ft² | 36000 in² |
| 500 ft² | 72000 in² |
| 1000 ft² | 144000 in² |
| 5000 ft² | 720000 in² |
Square feet and square inches are both area units. One square foot equals 144 square inches; enter any value above for an instant result, or use the table for common conversions.
Sanity-check examples
1 ft² = 144 in²10 ft² = 1440 in²100 ft² = 14400 in²
Common pitfalls and look-alike units
The mu is a Chinese market unit: 1 mu = 666.667 m² (about 666.67), not to be confused with the acre (≈ 4046.86 m²) or the hectare (10000 m² = 15 mu). Confirm which unit a land figure uses before converting.
Frequently asked questions
How many square inches are in a square foot?
1 square foot (ft²) equals 144 square inch (in²).
How do I convert square feet to square inches?
Multiply the square foot value by 144 to get square inch — for example, 2 square feet = 288 square inch.
How do I convert square inches back to square feet?
1 square inch is approximately 0.00694444 square foot. Use the swap button or the reverse conversion page linked on this page.