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 cmH₂O = 0.981 hPa
1 hPa = 1.02 cmH₂O
例子:
将15 水的厘米转换为海毛：
15 cmH₂O = 14.71 hPa
| 水的厘米 | 海毛 |
|---|---|
| 0.01 cmH₂O | 0.01 hPa |
| 0.1 cmH₂O | 0.098 hPa |
| 1 cmH₂O | 0.981 hPa |
| 2 cmH₂O | 1.961 hPa |
| 3 cmH₂O | 2.942 hPa |
| 5 cmH₂O | 4.903 hPa |
| 10 cmH₂O | 9.807 hPa |
| 20 cmH₂O | 19.613 hPa |
| 30 cmH₂O | 29.42 hPa |
| 40 cmH₂O | 39.227 hPa |
| 50 cmH₂O | 49.033 hPa |
| 60 cmH₂O | 58.84 hPa |
| 70 cmH₂O | 68.647 hPa |
| 80 cmH₂O | 78.453 hPa |
| 90 cmH₂O | 88.26 hPa |
| 100 cmH₂O | 98.067 hPa |
| 250 cmH₂O | 245.166 hPa |
| 500 cmH₂O | 490.333 hPa |
| 750 cmH₂O | 735.499 hPa |
| 1000 cmH₂O | 980.665 hPa |
| 10000 cmH₂O | 9,806.65 hPa |
| 100000 cmH₂O | 98,066.5 hPa |
规则