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 |
bar | 0.0338639 bar | 0.0677278 bar | 0.1015917 bar | 0.1354556 bar | 0.1693195 bar | 0.2031833 bar | 0.2370472 bar | 0.2709111 bar | 0.3047750 bar | 0.3386389 bar | 0.3725028 bar | 0.4063667 bar | 0.4402306 bar | 0.4740945 bar | 0.5079584 bar | 0.5418222 bar | 0.5756861 bar | 0.6095500 bar | 0.6434139 bar | 0.6772778 bar | 0.7111417 bar | 0.7450056 bar | 0.7788695 bar | 0.8127334 bar | 0.8465973 bar | 0.8804611 bar | 0.9143250 bar | 0.9481889 bar | 0.9820528 bar | 1.0159167 bar | 1.0497806 bar | 1.0836445 bar | 1.1175084 bar | 1.1513723 bar | 1.1852362 bar | 1.2191000 bar | 1.2529639 bar | 1.2868278 bar | 1.3206917 bar | 1.3545556 bar | 1.3884195 bar | 1.4222834 bar | 1.4561473 bar | 1.4900112 bar | 1.5238751 bar | 1.5577389 bar | 1.5916028 bar | 1.6254667 bar | 1.6593306 bar | 1.6931945 bar | 1.7270584 bar | 1.7609223 bar | 1.7947862 bar | 1.8286501 bar | 1.8625140 bar | 1.8963778 bar | 1.9302417 bar | 1.9641056 bar | 1.9979695 bar | 2.0318334 bar | 2.0656973 bar | 2.0995612 bar | 2.1334251 bar | 2.1672890 bar | 2.2011529 bar | 2.2350167 bar | 2.2688806 bar | 2.3027445 bar | 2.3366084 bar | 2.3704723 bar | 2.4043362 bar | 2.4382001 bar | 2.4720640 bar | 2.5059279 bar | 2.5397918 bar | 2.5736556 bar | 2.6075195 bar | 2.6413834 bar | 2.6752473 bar | 2.7091112 bar | 2.7429751 bar | 2.7768390 bar | 2.8107029 bar | 2.8445668 bar | 2.8784307 bar | 2.9122945 bar | 2.9461584 bar | 2.9800223 bar | 3.0138862 bar | 3.0477501 bar | 3.0816140 bar | 3.1154779 bar | 3.1493418 bar | 3.1832057 bar | 3.2170696 bar | 3.2509334 bar | 3.2847973 bar | 3.3186612 bar | 3.3525251 bar | 3.386389 bar |
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 | bars | Inches of mercury | bars |
---|---|---|---|
1 | ≈ 0.03386389 | 6 | ≈ 0.20318334 |
2 | ≈ 0.06772778 | 7 | ≈ 0.23704723 |
3 | ≈ 0.10159167 | 8 | ≈ 0.27091112 |
4 | ≈ 0.13545556 | 9 | ≈ 0.30477501 |
5 | ≈ 0.16931945 | 10 | ≈ 0.3386389 |
The bar is a metric unit of pressure, but is not approved as part of the International System of Units (SI). It is defined as exactly equal to 100,000 Pa, which is slightly less than the current average atmospheric pressure on Earth at sea level.
Name of unit | Symbol | Definition | Relation to SI units | Unit System |
---|---|---|---|---|
bar | bar | ≡ 105 Pa | ≡ 105 Pa | Metric system SI |
bars | Inches of mercury | bars | Inches of mercury |
---|---|---|---|
1 | ≈ 29.529980164712 | 6 | ≈ 177.17988098827 |
2 | ≈ 59.059960329425 | 7 | ≈ 206.70986115299 |
3 | ≈ 88.589940494137 | 8 | ≈ 236.2398413177 |
4 | ≈ 118.11992065885 | 9 | ≈ 265.76982148241 |
5 | ≈ 147.64990082356 | 10 | ≈ 295.29980164712 |
Inches of mercury | bars |
---|---|
1 | ≈ 0.0338639 |
29.5299802 | ≈ 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 …) |