Inch of mercury | 1 inHg | 2 inHg | 3 inHg | 4 inHg | 5 inHg | 6 inHg | 7 inHg | 8 inHg | 9 inHg | 10 inHg | 11 inHg | 12 inHg | 13 inHg | 14 inHg | 15 inHg | 16 inHg | 17 inHg | 18 inHg | 19 inHg | 20 inHg | 21 inHg | 22 inHg | 23 inHg | 24 inHg | 25 inHg | 26 inHg | 27 inHg | 28 inHg | 29 inHg | 30 inHg | 31 inHg | 32 inHg | 33 inHg | 34 inHg | 35 inHg | 36 inHg | 37 inHg | 38 inHg | 39 inHg | 40 inHg | 41 inHg | 42 inHg | 43 inHg | 44 inHg | 45 inHg | 46 inHg | 47 inHg | 48 inHg | 49 inHg | 50 inHg | 51 inHg | 52 inHg | 53 inHg | 54 inHg | 55 inHg | 56 inHg | 57 inHg | 58 inHg | 59 inHg | 60 inHg | 61 inHg | 62 inHg | 63 inHg | 64 inHg | 65 inHg | 66 inHg | 67 inHg | 68 inHg | 69 inHg | 70 inHg | 71 inHg | 72 inHg | 73 inHg | 74 inHg | 75 inHg | 76 inHg | 77 inHg | 78 inHg | 79 inHg | 80 inHg | 81 inHg | 82 inHg | 83 inHg | 84 inHg | 85 inHg | 86 inHg | 87 inHg | 88 inHg | 89 inHg | 90 inHg | 91 inHg | 92 inHg | 93 inHg | 94 inHg | 95 inHg | 96 inHg | 97 inHg | 98 inHg | 99 inHg | 100 inHg |
inch of water (39.2 °F) | 13.5954786 inH2O | 27.1909572 inH2O | 40.7864358 inH2O | 54.3819144 inH2O | 67.9773930 inH2O | 81.5728716 inH2O | 95.1683502 inH2O | 108.7638288 inH2O | 122.3593074 inH2O | 135.9547860 inH2O | 149.5502646 inH2O | 163.1457432 inH2O | 176.7412218 inH2O | 190.3367004 inH2O | 203.9321790 inH2O | 217.5276576 inH2O | 231.1231362 inH2O | 244.7186148 inH2O | 258.3140934 inH2O | 271.9095719 inH2O | 285.5050505 inH2O | 299.1005291 inH2O | 312.6960077 inH2O | 326.2914863 inH2O | 339.8869649 inH2O | 353.4824435 inH2O | 367.0779221 inH2O | 380.6734007 inH2O | 394.2688793 inH2O | 407.8643579 inH2O | 421.4598365 inH2O | 435.0553151 inH2O | 448.6507937 inH2O | 462.2462723 inH2O | 475.8417509 inH2O | 489.4372295 inH2O | 503.0327081 inH2O | 516.6281867 inH2O | 530.2236653 inH2O | 543.8191439 inH2O | 557.4146225 inH2O | 571.0101011 inH2O | 584.6055797 inH2O | 598.2010583 inH2O | 611.7965369 inH2O | 625.3920155 inH2O | 638.9874941 inH2O | 652.5829727 inH2O | 666.1784513 inH2O | 679.7739299 inH2O | 693.3694085 inH2O | 706.9648871 inH2O | 720.5603657 inH2O | 734.1558443 inH2O | 747.7513229 inH2O | 761.3468015 inH2O | 774.9422801 inH2O | 788.5377586 inH2O | 802.1332372 inH2O | 815.7287158 inH2O | 829.3241944 inH2O | 842.9196730 inH2O | 856.5151516 inH2O | 870.1106302 inH2O | 883.7061088 inH2O | 897.3015874 inH2O | 910.8970660 inH2O | 924.4925446 inH2O | 938.0880232 inH2O | 951.6835018 inH2O | 965.2789804 inH2O | 978.8744590 inH2O | 992.4699376 inH2O | 1,006.0654162 inH2O | 1,019.6608948 inH2O | 1,033.2563734 inH2O | 1,046.8518520 inH2O | 1,060.4473306 inH2O | 1,074.0428092 inH2O | 1,087.6382878 inH2O | 1,101.2337664 inH2O | 1,114.8292450 inH2O | 1,128.4247236 inH2O | 1,142.0202022 inH2O | 1,155.6156808 inH2O | 1,169.2111594 inH2O | 1,182.8066380 inH2O | 1,196.4021166 inH2O | 1,209.9975952 inH2O | 1,223.5930738 inH2O | 1,237.1885524 inH2O | 1,250.7840310 inH2O | 1,264.3795096 inH2O | 1,277.9749882 inH2O | 1,291.5704668 inH2O | 1,305.1659454 inH2O | 1,318.7614239 inH2O | 1,332.3569025 inH2O | 1,345.9523811 inH2O | 1,359.5478597 inH2O |
Inch of mercury (inHg and "Hg) is a unit of measurement for pressure. It is still used for barometric pressure in weather reports, refrigeration and aviation in the United States.
Name of unit | Symbol | Definition | Relation to SI units | Unit System |
---|---|---|---|---|
Inch of mercury | inHg | ≡ 13595.1 kg/m3 × 1 in × ɡ0 | ≈ 3.386389×103 Pa | Imperial/US |
Inches of mercury | inches of water (39.2 °F) | Inches of mercury | inches of water (39.2 °F) |
---|---|---|---|
1 | ≈ 13.59547859741 | 6 | ≈ 81.572871584458 |
2 | ≈ 27.190957194819 | 7 | ≈ 95.168350181868 |
3 | ≈ 40.786435792229 | 8 | ≈ 108.76382877928 |
4 | ≈ 54.381914389639 | 9 | ≈ 122.35930737669 |
5 | ≈ 67.977392987048 | 10 | ≈ 135.9547859741 |
inch of water (39.2 °F) is a unit of measurement for pressure.
Name of unit | Symbol | Definition | Relation to SI units | Unit System |
---|---|---|---|---|
inch of water (39.2 °F) | inH2O | ≈ 999.972 kg/m3 × 1 in × ɡ0 | ≈ 249.082 Pa | Imperial/US |
inches of water (39.2 °F) | Inches of mercury | inches of water (39.2 °F) | Inches of mercury |
---|---|---|---|
1 | ≈ 0.073553865193869 | 6 | ≈ 0.44132319116321 |
2 | ≈ 0.14710773038774 | 7 | ≈ 0.51487705635708 |
3 | ≈ 0.22066159558161 | 8 | ≈ 0.58843092155095 |
4 | ≈ 0.29421546077548 | 9 | ≈ 0.66198478674482 |
5 | ≈ 0.36776932596934 | 10 | ≈ 0.73553865193869 |
Inches of mercury | inches of water (39.2 °F) |
---|---|
1 | ≈ 13.5954786 |
0.0735539 | ≈ 1 |
Symbol | Definition |
---|---|
≡ | exactly equal |
≈ | approximately equal to |
= | equal to |
digits | indicates that digits repeat infinitely (e.g. 8.294 369 corresponds to 8.294 369 369 369 369 …) |