1 英寸水柱（inH₂O）等於 5.20233005 psf，1 磅力每平方英尺（psf）等於 0.19222156 inH₂O。
| 英寸水柱 | 磅力每平方英尺 |
|---|---|
| 0.01 inH₂O | 0.0520233005 psf |
| 0.1 inH₂O | 0.520233005 psf |
| 1 inH₂O | 5.20233005 psf |
| 2 inH₂O | 10.4046601 psf |
| 3 inH₂O | 15.6069901 psf |
| 4 inH₂O | 20.8093202 psf |
| 5 inH₂O | 26.0116502 psf |
| 6 inH₂O | 31.2139803 psf |
| 7 inH₂O | 36.4163103 psf |
| 8 inH₂O | 41.6186404 psf |
| 9 inH₂O | 46.8209704 psf |
| 10 inH₂O | 52.0233005 psf |
| 20 inH₂O | 104.046601 psf |
| 30 inH₂O | 156.069901 psf |
| 40 inH₂O | 208.093202 psf |
| 50 inH₂O | 260.116502 psf |
| 60 inH₂O | 312.139803 psf |
| 70 inH₂O | 364.163103 psf |
| 80 inH₂O | 416.186404 psf |
| 90 inH₂O | 468.209704 psf |
| 100 inH₂O | 520.233005 psf |
| 200 inH₂O | 1,040.46601 psf |
| 300 inH₂O | 1,560.69901 psf |
| 500 inH₂O | 2,601.16502 psf |
| 1,000 inH₂O | 5,202.33005 psf |
| 10,000 inH₂O | 52,023.3005 psf |
| 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 |
| 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 |