1 磅力每平方英尺（psf）等於 0.19222156 inH₂O，1 英寸水柱（inH₂O）等於 5.20233005 psf。
| 磅力每平方英尺 | 英寸水柱 |
|---|---|
| 0.01 psf | 0.0019222156 inH₂O |
| 0.1 psf | 0.019222156 inH₂O |
| 1 psf | 0.19222156 inH₂O |
| 2 psf | 0.384443121 inH₂O |
| 3 psf | 0.576664681 inH₂O |
| 4 psf | 0.768886242 inH₂O |
| 5 psf | 0.961107802 inH₂O |
| 6 psf | 1.15332936 inH₂O |
| 7 psf | 1.34555092 inH₂O |
| 8 psf | 1.53777248 inH₂O |
| 9 psf | 1.72999404 inH₂O |
| 10 psf | 1.9222156 inH₂O |
| 20 psf | 3.84443121 inH₂O |
| 30 psf | 5.76664681 inH₂O |
| 40 psf | 7.68886242 inH₂O |
| 50 psf | 9.61107802 inH₂O |
| 60 psf | 11.5332936 inH₂O |
| 70 psf | 13.4555092 inH₂O |
| 80 psf | 15.3777248 inH₂O |
| 90 psf | 17.2999404 inH₂O |
| 100 psf | 19.222156 inH₂O |
| 200 psf | 38.4443121 inH₂O |
| 300 psf | 57.6664681 inH₂O |
| 500 psf | 96.1107802 inH₂O |
| 1,000 psf | 192.22156 inH₂O |
| 10,000 psf | 1,922.2156 inH₂O |
| 帕斯卡 | 47.880259 Pa |
| 百帕 | 0.47880259 hPa |
| 千帕 | 0.047880259 kPa |
| 兆帕 | 0.000047880259 MPa |
| 吉帕 | 0.000000047880259 GPa |
| 巴 | 0.00047880259 bar |
| 毫巴 | 0.47880259 mbar |
| 磅力每平方英寸 | 0.00694444444 psi |
| 千磅力每平方英寸 | 0.00000694444444 ksi |
| 磅力每平方英尺 | 1 psf |
| 公斤力每平方公分 | 0.000488242764 kgf/cm² |
| 大氣壓 | 0.000472541416 atm |
| 托 | 0.359131476 Torr |
| 毫米汞柱 | 0.359131425 mmHg |
| 英寸汞柱 | 0.014139031 inHg |
| 毫米水柱 | 4.88242764 mmH₂O |
| 英寸水柱 | 0.19222156 inH₂O |
| 帕斯卡 | 249.08891 Pa |
| 百帕 | 2.4908891 hPa |
| 千帕 | 0.24908891 kPa |
| 兆帕 | 0.00024908891 MPa |
| 吉帕 | 0.00000024908891 GPa |
| 巴 | 0.0024908891 bar |
| 毫巴 | 2.4908891 mbar |
| 磅力每平方英寸 | 0.036127292 psi |
| 千磅力每平方英寸 | 0.000036127292 ksi |
| 磅力每平方英尺 | 5.20233005 psf |
| 公斤力每平方公分 | 0.00254 kgf/cm² |
| 大氣壓 | 0.00245831641 atm |
| 托 | 1.86832047 Torr |
| 毫米汞柱 | 1.8683202 mmHg |
| 英寸汞柱 | 0.0735559057 inHg |
| 毫米水柱 | 25.4 mmH₂O |
| 英寸水柱 | 1 inH₂O |