| centimeter of water (4 °C) | 1 cmH2O | 2 cmH2O | 3 cmH2O | 4 cmH2O | 5 cmH2O | 6 cmH2O | 7 cmH2O | 8 cmH2O | 9 cmH2O | 10 cmH2O | 11 cmH2O | 12 cmH2O | 13 cmH2O | 14 cmH2O | 15 cmH2O | 16 cmH2O | 17 cmH2O | 18 cmH2O | 19 cmH2O | 20 cmH2O | 21 cmH2O | 22 cmH2O | 23 cmH2O | 24 cmH2O | 25 cmH2O | 26 cmH2O | 27 cmH2O | 28 cmH2O | 29 cmH2O | 30 cmH2O | 31 cmH2O | 32 cmH2O | 33 cmH2O | 34 cmH2O | 35 cmH2O | 36 cmH2O | 37 cmH2O | 38 cmH2O | 39 cmH2O | 40 cmH2O | 41 cmH2O | 42 cmH2O | 43 cmH2O | 44 cmH2O | 45 cmH2O | 46 cmH2O | 47 cmH2O | 48 cmH2O | 49 cmH2O | 50 cmH2O | 51 cmH2O | 52 cmH2O | 53 cmH2O | 54 cmH2O | 55 cmH2O | 56 cmH2O | 57 cmH2O | 58 cmH2O | 59 cmH2O | 60 cmH2O | 61 cmH2O | 62 cmH2O | 63 cmH2O | 64 cmH2O | 65 cmH2O | 66 cmH2O | 67 cmH2O | 68 cmH2O | 69 cmH2O | 70 cmH2O | 71 cmH2O | 72 cmH2O | 73 cmH2O | 74 cmH2O | 75 cmH2O | 76 cmH2O | 77 cmH2O | 78 cmH2O | 79 cmH2O | 80 cmH2O | 81 cmH2O | 82 cmH2O | 83 cmH2O | 84 cmH2O | 85 cmH2O | 86 cmH2O | 87 cmH2O | 88 cmH2O | 89 cmH2O | 90 cmH2O | 91 cmH2O | 92 cmH2O | 93 cmH2O | 94 cmH2O | 95 cmH2O | 96 cmH2O | 97 cmH2O | 98 cmH2O | 99 cmH2O | 100 cmH2O |
| foot of mercury | 0.0024132 ftHg | 0.0048264 ftHg | 0.0072396 ftHg | 0.0096527 ftHg | 0.0120659 ftHg | 0.0144791 ftHg | 0.0168923 ftHg | 0.0193055 ftHg | 0.0217187 ftHg | 0.0241319 ftHg | 0.0265450 ftHg | 0.0289582 ftHg | 0.0313714 ftHg | 0.0337846 ftHg | 0.0361978 ftHg | 0.0386110 ftHg | 0.0410242 ftHg | 0.0434373 ftHg | 0.0458505 ftHg | 0.0482637 ftHg | 0.0506769 ftHg | 0.0530901 ftHg | 0.0555033 ftHg | 0.0579165 ftHg | 0.0603296 ftHg | 0.0627428 ftHg | 0.0651560 ftHg | 0.0675692 ftHg | 0.0699824 ftHg | 0.0723956 ftHg | 0.0748088 ftHg | 0.0772219 ftHg | 0.0796351 ftHg | 0.0820483 ftHg | 0.0844615 ftHg | 0.0868747 ftHg | 0.0892879 ftHg | 0.0917011 ftHg | 0.0941142 ftHg | 0.0965274 ftHg | 0.0989406 ftHg | 0.1013538 ftHg | 0.1037670 ftHg | 0.1061802 ftHg | 0.1085933 ftHg | 0.1110065 ftHg | 0.1134197 ftHg | 0.1158329 ftHg | 0.1182461 ftHg | 0.1206593 ftHg | 0.1230725 ftHg | 0.1254856 ftHg | 0.1278988 ftHg | 0.1303120 ftHg | 0.1327252 ftHg | 0.1351384 ftHg | 0.1375516 ftHg | 0.1399648 ftHg | 0.1423779 ftHg | 0.1447911 ftHg | 0.1472043 ftHg | 0.1496175 ftHg | 0.1520307 ftHg | 0.1544439 ftHg | 0.1568571 ftHg | 0.1592702 ftHg | 0.1616834 ftHg | 0.1640966 ftHg | 0.1665098 ftHg | 0.1689230 ftHg | 0.1713362 ftHg | 0.1737494 ftHg | 0.1761625 ftHg | 0.1785757 ftHg | 0.1809889 ftHg | 0.1834021 ftHg | 0.1858153 ftHg | 0.1882285 ftHg | 0.1906417 ftHg | 0.1930548 ftHg | 0.1954680 ftHg | 0.1978812 ftHg | 0.2002944 ftHg | 0.2027076 ftHg | 0.2051208 ftHg | 0.2075340 ftHg | 0.2099471 ftHg | 0.2123603 ftHg | 0.2147735 ftHg | 0.2171867 ftHg | 0.2195999 ftHg | 0.2220131 ftHg | 0.2244263 ftHg | 0.2268394 ftHg | 0.2292526 ftHg | 0.2316658 ftHg | 0.2340790 ftHg | 0.2364922 ftHg | 0.2389054 ftHg | 0.2413186 ftHg |
A centimetre of water (US spelling centimeter of water, abbreviated cm H2O or cm H2O) is a less commonly used unit of pressure derived from pressure head calculations using metrology.
| 1 centimeter of water (4 °C) ≈ 0.0024131855324724 feet of mercury | 6 centimeter of water (4 °C) ≈ 0.014479113194834 feet of mercury |
| 2 centimeter of water (4 °C) ≈ 0.0048263710649448 feet of mercury | 7 centimeter of water (4 °C) ≈ 0.016892298727307 feet of mercury |
| 3 centimeter of water (4 °C) ≈ 0.0072395565974172 feet of mercury | 8 centimeter of water (4 °C) ≈ 0.019305484259779 feet of mercury |
| 4 centimeter of water (4 °C) ≈ 0.0096527421298896 feet of mercury | 9 centimeter of water (4 °C) ≈ 0.021718669792252 feet of mercury |
| 5 centimeter of water (4 °C) ≈ 0.012065927662362 feet of mercury | 10 centimeter of water (4 °C) ≈ 0.024131855324724 feet of mercury |
A foot of mercury is the unit of pressure.
| 1 feet of mercury ≈ 414.3900195587 centimeter of water (4 °C) | 6 feet of mercury ≈ 2486.3401173522 centimeter of water (4 °C) |
| 2 feet of mercury ≈ 828.78003911739 centimeter of water (4 °C) | 7 feet of mercury ≈ 2900.7301369109 centimeter of water (4 °C) |
| 3 feet of mercury ≈ 1243.1700586761 centimeter of water (4 °C) | 8 feet of mercury ≈ 3315.1201564696 centimeter of water (4 °C) |
| 4 feet of mercury ≈ 1657.5600782348 centimeter of water (4 °C) | 9 feet of mercury ≈ 3729.5101760283 centimeter of water (4 °C) |
| 5 feet of mercury ≈ 2071.9500977935 centimeter of water (4 °C) | 10 feet of mercury ≈ 4143.900195587 centimeter of water (4 °C) |
| 1 centimeter of water (4 °C) ≈ 0.0024132 feet of mercury |
| 1 feet of mercury ≈ 414.3900196 centimeter of water (4 °C) |