免費且便捷的平方英吋與平方英呎換算器，輸入平方英吋數量，點擊“換算”即可馬上知道平方英吋換算平方英呎的結果。
平方英吋（Square inch）是一個英制的面積單位，其定義是「邊長為1英吋的正方形的面積」，簡寫 sq.in 或 in²。
平方英呎（Square foot）是一個英制面積單位，簡寫為sq. ft 或 ft²，1平方英呎約等於929.0304 平方釐米。
| 平方英吋 (in²) | 平方英呎 (ft²) |
|---|---|
| 0.1 in² | 0.000694488 ft² |
| 0.5 in² | 0.00347244 ft² |
| 1 in² | 0.00694488 ft² |
| 1.5 in² | 0.0104173 ft² |
| 2 in² | 0.0138898 ft² |
| 3 in² | 0.0208346 ft² |
| 4 in² | 0.0277795 ft² |
| 5 in² | 0.0347244 ft² |
| 6 in² | 0.0416693 ft² |
| 7 in² | 0.0486141 ft² |
| 8 in² | 0.055559 ft² |
| 9 in² | 0.0625039 ft² |
| 10 in² | 0.0694488 ft² |
| 11 in² | 0.0763937 ft² |
| 12 in² | 0.0833385 ft² |
| 13 in² | 0.0902834 ft² |
| 14 in² | 0.0972283 ft² |
| 15 in² | 0.104173 ft² |
| 16 in² | 0.111118 ft² |
| 17 in² | 0.118063 ft² |
| 18 in² | 0.125008 ft² |
| 19 in² | 0.131953 ft² |
| 20 in² | 0.138898 ft² |
| 25 in² | 0.173622 ft² |
| 30 in² | 0.208346 ft² |
| 35 in² | 0.243071 ft² |
| 40 in² | 0.277795 ft² |
| 45 in² | 0.31252 ft² |
| 50 in² | 0.347244 ft² |
| 平方英吋 (in²) | 平方英呎 (ft²) |
|---|---|
| 55 in² | 0.381968 ft² |
| 60 in² | 0.416693 ft² |
| 65 in² | 0.451417 ft² |
| 70 in² | 0.486141 ft² |
| 75 in² | 0.520866 ft² |
| 80 in² | 0.55559 ft² |
| 85 in² | 0.590315 ft² |
| 90 in² | 0.625039 ft² |
| 95 in² | 0.659763 ft² |
| 100 in² | 0.694488 ft² |
| 150 in² | 1.04173 ft² |
| 200 in² | 1.38898 ft² |
| 250 in² | 1.73622 ft² |
| 300 in² | 2.08346 ft² |
| 350 in² | 2.43071 ft² |
| 400 in² | 2.77795 ft² |
| 450 in² | 3.1252 ft² |
| 500 in² | 3.47244 ft² |
| 550 in² | 3.81968 ft² |
| 600 in² | 4.16693 ft² |
| 650 in² | 4.51417 ft² |
| 700 in² | 4.86141 ft² |
| 750 in² | 5.20866 ft² |
| 800 in² | 5.5559 ft² |
| 850 in² | 5.90315 ft² |
| 900 in² | 6.25039 ft² |
| 950 in² | 6.59763 ft² |
| 1000 in² | 6.94488 ft² |
| 5000 in² | 34.7244 ft² |