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 = 0.007 psi
1 psi = 144 psf
例子:
将15 每平方英尺转换为每平方英寸：
15 psf = 0.104 psi
| 每平方英尺 | 每平方英寸 |
|---|---|
| 0.01 psf | 6.9444e-5 psi |
| 0.1 psf | 0.001 psi |
| 1 psf | 0.007 psi |
| 2 psf | 0.014 psi |
| 3 psf | 0.021 psi |
| 5 psf | 0.035 psi |
| 10 psf | 0.069 psi |
| 20 psf | 0.139 psi |
| 30 psf | 0.208 psi |
| 40 psf | 0.278 psi |
| 50 psf | 0.347 psi |
| 60 psf | 0.417 psi |
| 70 psf | 0.486 psi |
| 80 psf | 0.556 psi |
| 90 psf | 0.625 psi |
| 100 psf | 0.694 psi |
| 250 psf | 1.736 psi |
| 500 psf | 3.472 psi |
| 750 psf | 5.208 psi |
| 1000 psf | 6.944 psi |
| 10000 psf | 69.444 psi |
| 100000 psf | 694.445 psi |
规则