压力是垂直于每个单位区域表面施加的力。它是在pascal（PA）中测量的。
1 psf = 0 atm
1 atm = 2,116.215 psf
例子:
将15 每平方英尺转换为气氛：
15 psf = 0.007 atm
| 每平方英尺 | 气氛 |
|---|---|
| 0.01 psf | 4.7254e-6 atm |
| 0.1 psf | 4.7254e-5 atm |
| 1 psf | 0 atm |
| 2 psf | 0.001 atm |
| 3 psf | 0.001 atm |
| 5 psf | 0.002 atm |
| 10 psf | 0.005 atm |
| 20 psf | 0.009 atm |
| 30 psf | 0.014 atm |
| 40 psf | 0.019 atm |
| 50 psf | 0.024 atm |
| 60 psf | 0.028 atm |
| 70 psf | 0.033 atm |
| 80 psf | 0.038 atm |
| 90 psf | 0.043 atm |
| 100 psf | 0.047 atm |
| 250 psf | 0.118 atm |
| 500 psf | 0.236 atm |
| 750 psf | 0.354 atm |
| 1000 psf | 0.473 atm |
| 10000 psf | 4.725 atm |
| 100000 psf | 47.254 atm |
规则