| inch of water (39.2 °F) | 1 inH2O | 2 inH2O | 3 inH2O | 4 inH2O | 5 inH2O | 6 inH2O | 7 inH2O | 8 inH2O | 9 inH2O | 10 inH2O | 11 inH2O | 12 inH2O | 13 inH2O | 14 inH2O | 15 inH2O | 16 inH2O | 17 inH2O | 18 inH2O | 19 inH2O | 20 inH2O | 21 inH2O | 22 inH2O | 23 inH2O | 24 inH2O | 25 inH2O | 26 inH2O | 27 inH2O | 28 inH2O | 29 inH2O | 30 inH2O | 31 inH2O | 32 inH2O | 33 inH2O | 34 inH2O | 35 inH2O | 36 inH2O | 37 inH2O | 38 inH2O | 39 inH2O | 40 inH2O | 41 inH2O | 42 inH2O | 43 inH2O | 44 inH2O | 45 inH2O | 46 inH2O | 47 inH2O | 48 inH2O | 49 inH2O | 50 inH2O | 51 inH2O | 52 inH2O | 53 inH2O | 54 inH2O | 55 inH2O | 56 inH2O | 57 inH2O | 58 inH2O | 59 inH2O | 60 inH2O | 61 inH2O | 62 inH2O | 63 inH2O | 64 inH2O | 65 inH2O | 66 inH2O | 67 inH2O | 68 inH2O | 69 inH2O | 70 inH2O | 71 inH2O | 72 inH2O | 73 inH2O | 74 inH2O | 75 inH2O | 76 inH2O | 77 inH2O | 78 inH2O | 79 inH2O | 80 inH2O | 81 inH2O | 82 inH2O | 83 inH2O | 84 inH2O | 85 inH2O | 86 inH2O | 87 inH2O | 88 inH2O | 89 inH2O | 90 inH2O | 91 inH2O | 92 inH2O | 93 inH2O | 94 inH2O | 95 inH2O | 96 inH2O | 97 inH2O | 98 inH2O | 99 inH2O | 100 inH2O |
| centimeter of water (4 °C) | 2.5399995 cmH2O | 5.0799989 cmH2O | 7.6199984 cmH2O | 10.1599979 cmH2O | 12.6999973 cmH2O | 15.2399968 cmH2O | 17.7799963 cmH2O | 20.3199958 cmH2O | 22.8599952 cmH2O | 25.3999947 cmH2O | 27.9399942 cmH2O | 30.4799936 cmH2O | 33.0199931 cmH2O | 35.5599926 cmH2O | 38.0999920 cmH2O | 40.6399915 cmH2O | 43.1799910 cmH2O | 45.7199905 cmH2O | 48.2599899 cmH2O | 50.7999894 cmH2O | 53.3399889 cmH2O | 55.8799883 cmH2O | 58.4199878 cmH2O | 60.9599873 cmH2O | 63.4999867 cmH2O | 66.0399862 cmH2O | 68.5799857 cmH2O | 71.1199852 cmH2O | 73.6599846 cmH2O | 76.1999841 cmH2O | 78.7399836 cmH2O | 81.2799830 cmH2O | 83.8199825 cmH2O | 86.3599820 cmH2O | 88.8999814 cmH2O | 91.4399809 cmH2O | 93.9799804 cmH2O | 96.5199798 cmH2O | 99.0599793 cmH2O | 101.5999788 cmH2O | 104.1399783 cmH2O | 106.6799777 cmH2O | 109.2199772 cmH2O | 111.7599767 cmH2O | 114.2999761 cmH2O | 116.8399756 cmH2O | 119.3799751 cmH2O | 121.9199745 cmH2O | 124.4599740 cmH2O | 126.9999735 cmH2O | 129.5399730 cmH2O | 132.0799724 cmH2O | 134.6199719 cmH2O | 137.1599714 cmH2O | 139.6999708 cmH2O | 142.2399703 cmH2O | 144.7799698 cmH2O | 147.3199692 cmH2O | 149.8599687 cmH2O | 152.3999682 cmH2O | 154.9399677 cmH2O | 157.4799671 cmH2O | 160.0199666 cmH2O | 162.5599661 cmH2O | 165.0999655 cmH2O | 167.6399650 cmH2O | 170.1799645 cmH2O | 172.7199639 cmH2O | 175.2599634 cmH2O | 177.7999629 cmH2O | 180.3399624 cmH2O | 182.8799618 cmH2O | 185.4199613 cmH2O | 187.9599608 cmH2O | 190.4999602 cmH2O | 193.0399597 cmH2O | 195.5799592 cmH2O | 198.1199586 cmH2O | 200.6599581 cmH2O | 203.1999576 cmH2O | 205.7399570 cmH2O | 208.2799565 cmH2O | 210.8199560 cmH2O | 213.3599555 cmH2O | 215.8999549 cmH2O | 218.4399544 cmH2O | 220.9799539 cmH2O | 223.5199533 cmH2O | 226.0599528 cmH2O | 228.5999523 cmH2O | 231.1399517 cmH2O | 233.6799512 cmH2O | 236.2199507 cmH2O | 238.7599502 cmH2O | 241.2999496 cmH2O | 243.8399491 cmH2O | 246.3799486 cmH2O | 248.9199480 cmH2O | 251.4599475 cmH2O | 253.9999470 cmH2O |
inch of water (39.2 °F) is a unit of measurement for pressure.
| 1 inches of water (39.2 °F) ≈ 2.539999469733 centimeter of water (4 °C) | 6 inches of water (39.2 °F) ≈ 15.239996818398 centimeter of water (4 °C) |
| 2 inches of water (39.2 °F) ≈ 5.0799989394659 centimeter of water (4 °C) | 7 inches of water (39.2 °F) ≈ 17.779996288131 centimeter of water (4 °C) |
| 3 inches of water (39.2 °F) ≈ 7.6199984091989 centimeter of water (4 °C) | 8 inches of water (39.2 °F) ≈ 20.319995757864 centimeter of water (4 °C) |
| 4 inches of water (39.2 °F) ≈ 10.159997878932 centimeter of water (4 °C) | 9 inches of water (39.2 °F) ≈ 22.859995227597 centimeter of water (4 °C) |
| 5 inches of water (39.2 °F) ≈ 12.699997348665 centimeter of water (4 °C) | 10 inches of water (39.2 °F) ≈ 25.39999469733 centimeter of water (4 °C) |
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) ≈ 0.39370086959315 inches of water (39.2 °F) | 6 centimeter of water (4 °C) ≈ 2.3622052175589 inches of water (39.2 °F) |
| 2 centimeter of water (4 °C) ≈ 0.78740173918629 inches of water (39.2 °F) | 7 centimeter of water (4 °C) ≈ 2.755906087152 inches of water (39.2 °F) |
| 3 centimeter of water (4 °C) ≈ 1.1811026087794 inches of water (39.2 °F) | 8 centimeter of water (4 °C) ≈ 3.1496069567452 inches of water (39.2 °F) |
| 4 centimeter of water (4 °C) ≈ 1.5748034783726 inches of water (39.2 °F) | 9 centimeter of water (4 °C) ≈ 3.5433078263383 inches of water (39.2 °F) |
| 5 centimeter of water (4 °C) ≈ 1.9685043479657 inches of water (39.2 °F) | 10 centimeter of water (4 °C) ≈ 3.9370086959315 inches of water (39.2 °F) |
| 1 inches of water (39.2 °F) ≈ 2.5399995 centimeter of water (4 °C) |
| 1 centimeter of water (4 °C) ≈ 0.3937009 inches of water (39.2 °F) |