atmosphere | 1 atm | 2 atm | 3 atm | 4 atm | 5 atm | 6 atm | 7 atm | 8 atm | 9 atm | 10 atm | 11 atm | 12 atm | 13 atm | 14 atm | 15 atm | 16 atm | 17 atm | 18 atm | 19 atm | 20 atm | 21 atm | 22 atm | 23 atm | 24 atm | 25 atm | 26 atm | 27 atm | 28 atm | 29 atm | 30 atm | 31 atm | 32 atm | 33 atm | 34 atm | 35 atm | 36 atm | 37 atm | 38 atm | 39 atm | 40 atm | 41 atm | 42 atm | 43 atm | 44 atm | 45 atm | 46 atm | 47 atm | 48 atm | 49 atm | 50 atm | 51 atm | 52 atm | 53 atm | 54 atm | 55 atm | 56 atm | 57 atm | 58 atm | 59 atm | 60 atm | 61 atm | 62 atm | 63 atm | 64 atm | 65 atm | 66 atm | 67 atm | 68 atm | 69 atm | 70 atm | 71 atm | 72 atm | 73 atm | 74 atm | 75 atm | 76 atm | 77 atm | 78 atm | 79 atm | 80 atm | 81 atm | 82 atm | 83 atm | 84 atm | 85 atm | 86 atm | 87 atm | 88 atm | 89 atm | 90 atm | 91 atm | 92 atm | 93 atm | 94 atm | 95 atm | 96 atm | 97 atm | 98 atm | 99 atm | 100 atm |
Inch of mercury | 29.9212524 inHg | 59.8425048 inHg | 89.7637572 inHg | 119.6850096 inHg | 149.6062620 inHg | 179.5275144 inHg | 209.4487668 inHg | 239.3700192 inHg | 269.2912716 inHg | 299.2125240 inHg | 329.1337764 inHg | 359.0550288 inHg | 388.9762812 inHg | 418.8975336 inHg | 448.8187860 inHg | 478.7400384 inHg | 508.6612908 inHg | 538.5825432 inHg | 568.5037956 inHg | 598.4250480 inHg | 628.3463004 inHg | 658.2675528 inHg | 688.1888052 inHg | 718.1100576 inHg | 748.0313100 inHg | 777.9525624 inHg | 807.8738149 inHg | 837.7950673 inHg | 867.7163197 inHg | 897.6375721 inHg | 927.5588245 inHg | 957.4800769 inHg | 987.4013293 inHg | 1,017.3225817 inHg | 1,047.2438341 inHg | 1,077.1650865 inHg | 1,107.0863389 inHg | 1,137.0075913 inHg | 1,166.9288437 inHg | 1,196.8500961 inHg | 1,226.7713485 inHg | 1,256.6926009 inHg | 1,286.6138533 inHg | 1,316.5351057 inHg | 1,346.4563581 inHg | 1,376.3776105 inHg | 1,406.2988629 inHg | 1,436.2201153 inHg | 1,466.1413677 inHg | 1,496.0626201 inHg | 1,525.9838725 inHg | 1,555.9051249 inHg | 1,585.8263773 inHg | 1,615.7476297 inHg | 1,645.6688821 inHg | 1,675.5901345 inHg | 1,705.5113869 inHg | 1,735.4326393 inHg | 1,765.3538917 inHg | 1,795.2751441 inHg | 1,825.1963965 inHg | 1,855.1176489 inHg | 1,885.0389013 inHg | 1,914.9601537 inHg | 1,944.8814061 inHg | 1,974.8026585 inHg | 2,004.7239109 inHg | 2,034.6451633 inHg | 2,064.5664157 inHg | 2,094.4876681 inHg | 2,124.4089205 inHg | 2,154.3301729 inHg | 2,184.2514253 inHg | 2,214.1726777 inHg | 2,244.0939301 inHg | 2,274.0151825 inHg | 2,303.9364349 inHg | 2,333.8576873 inHg | 2,363.7789397 inHg | 2,393.7001922 inHg | 2,423.6214446 inHg | 2,453.5426970 inHg | 2,483.4639494 inHg | 2,513.3852018 inHg | 2,543.3064542 inHg | 2,573.2277066 inHg | 2,603.1489590 inHg | 2,633.0702114 inHg | 2,662.9914638 inHg | 2,692.9127162 inHg | 2,722.8339686 inHg | 2,752.7552210 inHg | 2,782.6764734 inHg | 2,812.5977258 inHg | 2,842.5189782 inHg | 2,872.4402306 inHg | 2,902.3614830 inHg | 2,932.2827354 inHg | 2,962.2039878 inHg | 2,992.1252402 inHg |
The standard atmosphere (symbol: atm) is a unit of pressure defined as 101325 Pa (1.01325 bar). It is sometimes used as a reference or standard pressure.
Name of unit | Symbol | Definition | Relation to SI units | Unit System |
---|---|---|---|---|
atmosphere | atm | ≡ 101325 Pa | Metric system SI |
atmospheres | Inches of mercury | atmospheres | Inches of mercury |
---|---|---|---|
1 | ≈ 29.921252401895 | 6 | ≈ 179.52751441137 |
2 | ≈ 59.84250480379 | 7 | ≈ 209.44876681326 |
3 | ≈ 89.763757205684 | 8 | ≈ 239.37001921516 |
4 | ≈ 119.68500960758 | 9 | ≈ 269.29127161705 |
5 | ≈ 149.60626200947 | 10 | ≈ 299.21252401895 |
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 | atmospheres | Inches of mercury | atmospheres |
---|---|---|---|
1 | ≈ 0.033421060942512 | 6 | ≈ 0.20052636565507 |
2 | ≈ 0.066842121885023 | 7 | ≈ 0.23394742659758 |
3 | ≈ 0.10026318282754 | 8 | ≈ 0.26736848754009 |
4 | ≈ 0.13368424377005 | 9 | ≈ 0.30078954848261 |
5 | ≈ 0.16710530471256 | 10 | ≈ 0.33421060942512 |
atmospheres | Inches of mercury |
---|---|
1 | ≈ 29.9212524 |
0.0334211 | ≈ 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 …) |