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 water (39.2 °F) | 406.7937466 inH2O | 813.5874933 inH2O | 1,220.3812399 inH2O | 1,627.1749866 inH2O | 2,033.9687332 inH2O | 2,440.7624798 inH2O | 2,847.5562265 inH2O | 3,254.3499731 inH2O | 3,661.1437197 inH2O | 4,067.9374664 inH2O | 4,474.7312130 inH2O | 4,881.5249597 inH2O | 5,288.3187063 inH2O | 5,695.1124529 inH2O | 6,101.9061996 inH2O | 6,508.6999462 inH2O | 6,915.4936928 inH2O | 7,322.2874395 inH2O | 7,729.0811861 inH2O | 8,135.8749328 inH2O | 8,542.6686794 inH2O | 8,949.4624260 inH2O | 9,356.2561727 inH2O | 9,763.0499193 inH2O | 10,169.8436659 inH2O | 10,576.6374126 inH2O | 10,983.4311592 inH2O | 11,390.2249059 inH2O | 11,797.0186525 inH2O | 12,203.8123991 inH2O | 12,610.6061458 inH2O | 13,017.3998924 inH2O | 13,424.1936390 inH2O | 13,830.9873857 inH2O | 14,237.7811323 inH2O | 14,644.5748790 inH2O | 15,051.3686256 inH2O | 15,458.1623722 inH2O | 15,864.9561189 inH2O | 16,271.7498655 inH2O | 16,678.5436121 inH2O | 17,085.3373588 inH2O | 17,492.1311054 inH2O | 17,898.9248521 inH2O | 18,305.7185987 inH2O | 18,712.5123453 inH2O | 19,119.3060920 inH2O | 19,526.0998386 inH2O | 19,932.8935852 inH2O | 20,339.6873319 inH2O | 20,746.4810785 inH2O | 21,153.2748252 inH2O | 21,560.0685718 inH2O | 21,966.8623184 inH2O | 22,373.6560651 inH2O | 22,780.4498117 inH2O | 23,187.2435583 inH2O | 23,594.0373050 inH2O | 24,000.8310516 inH2O | 24,407.6247983 inH2O | 24,814.4185449 inH2O | 25,221.2122915 inH2O | 25,628.0060382 inH2O | 26,034.7997848 inH2O | 26,441.5935314 inH2O | 26,848.3872781 inH2O | 27,255.1810247 inH2O | 27,661.9747714 inH2O | 28,068.7685180 inH2O | 28,475.5622646 inH2O | 28,882.3560113 inH2O | 29,289.1497579 inH2O | 29,695.9435045 inH2O | 30,102.7372512 inH2O | 30,509.5309978 inH2O | 30,916.3247445 inH2O | 31,323.1184911 inH2O | 31,729.9122377 inH2O | 32,136.7059844 inH2O | 32,543.4997310 inH2O | 32,950.2934777 inH2O | 33,357.0872243 inH2O | 33,763.8809709 inH2O | 34,170.6747176 inH2O | 34,577.4684642 inH2O | 34,984.2622108 inH2O | 35,391.0559575 inH2O | 35,797.8497041 inH2O | 36,204.6434508 inH2O | 36,611.4371974 inH2O | 37,018.2309440 inH2O | 37,425.0246907 inH2O | 37,831.8184373 inH2O | 38,238.6121839 inH2O | 38,645.4059306 inH2O | 39,052.1996772 inH2O | 39,458.9934239 inH2O | 39,865.7871705 inH2O | 40,272.5809171 inH2O | 40,679.3746638 inH2O |
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 water (39.2 °F) | atmospheres | inches of water (39.2 °F) |
---|---|---|---|
1 | ≈ 406.79374663765 | 6 | ≈ 2440.7624798259 |
2 | ≈ 813.58749327531 | 7 | ≈ 2847.5562264636 |
3 | ≈ 1220.381239913 | 8 | ≈ 3254.3499731012 |
4 | ≈ 1627.1749865506 | 9 | ≈ 3661.1437197389 |
5 | ≈ 2033.9687331883 | 10 | ≈ 4067.9374663765 |
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) | atmospheres | inches of water (39.2 °F) | atmospheres |
---|---|---|---|
1 | ≈ 0.0024582482112016 | 6 | ≈ 0.014749489267209 |
2 | ≈ 0.0049164964224032 | 7 | ≈ 0.017207737478411 |
3 | ≈ 0.0073747446336047 | 8 | ≈ 0.019665985689613 |
4 | ≈ 0.0098329928448063 | 9 | ≈ 0.022124233900814 |
5 | ≈ 0.012291241056008 | 10 | ≈ 0.024582482112016 |
atmospheres | inches of water (39.2 °F) |
---|---|
1 | ≈ 406.7937466 |
0.0024582 | ≈ 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 …) |