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 |
foot of water (39.2 °F) | 33.8995243 ftH2O | 67.7990485 ftH2O | 101.6985728 ftH2O | 135.5980970 ftH2O | 169.4976213 ftH2O | 203.3971455 ftH2O | 237.2966698 ftH2O | 271.1961940 ftH2O | 305.0957183 ftH2O | 338.9952425 ftH2O | 372.8947668 ftH2O | 406.7942910 ftH2O | 440.6938153 ftH2O | 474.5933395 ftH2O | 508.4928638 ftH2O | 542.3923880 ftH2O | 576.2919123 ftH2O | 610.1914365 ftH2O | 644.0909608 ftH2O | 677.9904850 ftH2O | 711.8900093 ftH2O | 745.7895336 ftH2O | 779.6890578 ftH2O | 813.5885821 ftH2O | 847.4881063 ftH2O | 881.3876306 ftH2O | 915.2871548 ftH2O | 949.1866791 ftH2O | 983.0862033 ftH2O | 1,016.9857276 ftH2O | 1,050.8852518 ftH2O | 1,084.7847761 ftH2O | 1,118.6843003 ftH2O | 1,152.5838246 ftH2O | 1,186.4833488 ftH2O | 1,220.3828731 ftH2O | 1,254.2823973 ftH2O | 1,288.1819216 ftH2O | 1,322.0814458 ftH2O | 1,355.9809701 ftH2O | 1,389.8804943 ftH2O | 1,423.7800186 ftH2O | 1,457.6795429 ftH2O | 1,491.5790671 ftH2O | 1,525.4785914 ftH2O | 1,559.3781156 ftH2O | 1,593.2776399 ftH2O | 1,627.1771641 ftH2O | 1,661.0766884 ftH2O | 1,694.9762126 ftH2O | 1,728.8757369 ftH2O | 1,762.7752611 ftH2O | 1,796.6747854 ftH2O | 1,830.5743096 ftH2O | 1,864.4738339 ftH2O | 1,898.3733581 ftH2O | 1,932.2728824 ftH2O | 1,966.1724066 ftH2O | 2,000.0719309 ftH2O | 2,033.9714551 ftH2O | 2,067.8709794 ftH2O | 2,101.7705037 ftH2O | 2,135.6700279 ftH2O | 2,169.5695522 ftH2O | 2,203.4690764 ftH2O | 2,237.3686007 ftH2O | 2,271.2681249 ftH2O | 2,305.1676492 ftH2O | 2,339.0671734 ftH2O | 2,372.9666977 ftH2O | 2,406.8662219 ftH2O | 2,440.7657462 ftH2O | 2,474.6652704 ftH2O | 2,508.5647947 ftH2O | 2,542.4643189 ftH2O | 2,576.3638432 ftH2O | 2,610.2633674 ftH2O | 2,644.1628917 ftH2O | 2,678.0624159 ftH2O | 2,711.9619402 ftH2O | 2,745.8614644 ftH2O | 2,779.7609887 ftH2O | 2,813.6605130 ftH2O | 2,847.5600372 ftH2O | 2,881.4595615 ftH2O | 2,915.3590857 ftH2O | 2,949.2586100 ftH2O | 2,983.1581342 ftH2O | 3,017.0576585 ftH2O | 3,050.9571827 ftH2O | 3,084.8567070 ftH2O | 3,118.7562312 ftH2O | 3,152.6557555 ftH2O | 3,186.5552797 ftH2O | 3,220.4548040 ftH2O | 3,254.3543282 ftH2O | 3,288.2538525 ftH2O | 3,322.1533767 ftH2O | 3,356.0529010 ftH2O | 3,389.9524252 ftH2O |
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 | feet of water (39.2 °F) | atmospheres | feet of water (39.2 °F) |
---|---|---|---|
1 | ≈ 33.899524252421 | 6 | ≈ 203.39714551452 |
2 | ≈ 67.799048504841 | 7 | ≈ 237.29666976694 |
3 | ≈ 101.69857275726 | 8 | ≈ 271.19619401936 |
4 | ≈ 135.59809700968 | 9 | ≈ 305.09571827179 |
5 | ≈ 169.4976212621 | 10 | ≈ 338.99524252421 |
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) | atmospheres | feet of water (39.2 °F) | atmospheres |
---|---|---|---|
1 | ≈ 0.029498939057488 | 6 | ≈ 0.17699363434493 |
2 | ≈ 0.058997878114977 | 7 | ≈ 0.20649257340242 |
3 | ≈ 0.088496817172465 | 8 | ≈ 0.23599151245991 |
4 | ≈ 0.11799575622995 | 9 | ≈ 0.26549045151739 |
5 | ≈ 0.14749469528744 | 10 | ≈ 0.29498939057488 |
atmospheres | feet of water (39.2 °F) |
---|---|
1 | ≈ 33.8995243 |
0.0294989 | ≈ 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 …) |