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 mbar = 1.02 cmH₂O
1 cmH₂O = 0.981 mbar
例子:
将15 中间的转换为水的厘米：
15 mbar = 15.296 cmH₂O
| 中间的 | 水的厘米 |
|---|---|
| 0.01 mbar | 0.01 cmH₂O |
| 0.1 mbar | 0.102 cmH₂O |
| 1 mbar | 1.02 cmH₂O |
| 2 mbar | 2.039 cmH₂O |
| 3 mbar | 3.059 cmH₂O |
| 5 mbar | 5.099 cmH₂O |
| 10 mbar | 10.197 cmH₂O |
| 20 mbar | 20.394 cmH₂O |
| 30 mbar | 30.591 cmH₂O |
| 40 mbar | 40.789 cmH₂O |
| 50 mbar | 50.986 cmH₂O |
| 60 mbar | 61.183 cmH₂O |
| 70 mbar | 71.38 cmH₂O |
| 80 mbar | 81.577 cmH₂O |
| 90 mbar | 91.774 cmH₂O |
| 100 mbar | 101.972 cmH₂O |
| 250 mbar | 254.929 cmH₂O |
| 500 mbar | 509.858 cmH₂O |
| 750 mbar | 764.787 cmH₂O |
| 1000 mbar | 1,019.716 cmH₂O |
| 10000 mbar | 10,197.162 cmH₂O |
| 100000 mbar | 101,971.621 cmH₂O |
规则