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 |
foot of water (39.2 °F) | 1.1329581 ftH2O | 2.2659161 ftH2O | 3.3988742 ftH2O | 4.5318323 ftH2O | 5.6647903 ftH2O | 6.7977484 ftH2O | 7.9307065 ftH2O | 9.0636645 ftH2O | 10.1966226 ftH2O | 11.3295807 ftH2O | 12.4625387 ftH2O | 13.5954968 ftH2O | 14.7284549 ftH2O | 15.8614129 ftH2O | 16.9943710 ftH2O | 18.1273291 ftH2O | 19.2602871 ftH2O | 20.3932452 ftH2O | 21.5262033 ftH2O | 22.6591613 ftH2O | 23.7921194 ftH2O | 24.9250775 ftH2O | 26.0580355 ftH2O | 27.1909936 ftH2O | 28.3239516 ftH2O | 29.4569097 ftH2O | 30.5898678 ftH2O | 31.7228258 ftH2O | 32.8557839 ftH2O | 33.9887420 ftH2O | 35.1217000 ftH2O | 36.2546581 ftH2O | 37.3876162 ftH2O | 38.5205742 ftH2O | 39.6535323 ftH2O | 40.7864904 ftH2O | 41.9194484 ftH2O | 43.0524065 ftH2O | 44.1853646 ftH2O | 45.3183226 ftH2O | 46.4512807 ftH2O | 47.5842388 ftH2O | 48.7171968 ftH2O | 49.8501549 ftH2O | 50.9831130 ftH2O | 52.1160710 ftH2O | 53.2490291 ftH2O | 54.3819872 ftH2O | 55.5149452 ftH2O | 56.6479033 ftH2O | 57.7808614 ftH2O | 58.9138194 ftH2O | 60.0467775 ftH2O | 61.1797356 ftH2O | 62.3126936 ftH2O | 63.4456517 ftH2O | 64.5786098 ftH2O | 65.7115678 ftH2O | 66.8445259 ftH2O | 67.9774840 ftH2O | 69.1104420 ftH2O | 70.2434001 ftH2O | 71.3763582 ftH2O | 72.5093162 ftH2O | 73.6422743 ftH2O | 74.7752324 ftH2O | 75.9081904 ftH2O | 77.0411485 ftH2O | 78.1741066 ftH2O | 79.3070646 ftH2O | 80.4400227 ftH2O | 81.5729807 ftH2O | 82.7059388 ftH2O | 83.8388969 ftH2O | 84.9718549 ftH2O | 86.1048130 ftH2O | 87.2377711 ftH2O | 88.3707291 ftH2O | 89.5036872 ftH2O | 90.6366453 ftH2O | 91.7696033 ftH2O | 92.9025614 ftH2O | 94.0355195 ftH2O | 95.1684775 ftH2O | 96.3014356 ftH2O | 97.4343937 ftH2O | 98.5673517 ftH2O | 99.7003098 ftH2O | 100.8332679 ftH2O | 101.9662259 ftH2O | 103.0991840 ftH2O | 104.2321421 ftH2O | 105.3651001 ftH2O | 106.4980582 ftH2O | 107.6310163 ftH2O | 108.7639743 ftH2O | 109.8969324 ftH2O | 111.0298905 ftH2O | 112.1628485 ftH2O | 113.2958066 ftH2O |
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 | feet of water (39.2 °F) | Inches of mercury | feet of water (39.2 °F) |
---|---|---|---|
1 | ≈ 1.1329580659623 | 6 | ≈ 6.7977483957738 |
2 | ≈ 2.2659161319246 | 7 | ≈ 7.9307064617361 |
3 | ≈ 3.3988741978869 | 8 | ≈ 9.0636645276984 |
4 | ≈ 4.5318322638492 | 9 | ≈ 10.196622593661 |
5 | ≈ 5.6647903298115 | 10 | ≈ 11.329580659623 |
foot of water (39.2 °F) is the unit of pressure.
Name of unit | Symbol | Definition | Relation to SI units | Unit System |
---|---|---|---|---|
foot of water (39.2 °F) | ftH2O | ≈ 999.972 kg/m3 × 1 ft × ɡ0 | ≈ 2.98898×103 Pa | Metric system SI |
feet of water (39.2 °F) | Inches of mercury | feet of water (39.2 °F) | Inches of mercury |
---|---|---|---|
1 | ≈ 0.88264520112722 | 6 | ≈ 5.2958712067633 |
2 | ≈ 1.7652904022544 | 7 | ≈ 6.1785164078905 |
3 | ≈ 2.6479356033817 | 8 | ≈ 7.0611616090177 |
4 | ≈ 3.5305808045089 | 9 | ≈ 7.943806810145 |
5 | ≈ 4.4132260056361 | 10 | ≈ 8.8264520112722 |
Inches of mercury | feet of water (39.2 °F) |
---|---|
1 | ≈ 1.1329581 |
0.8826452 | ≈ 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 …) |