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 |
torr | 760 torr | 1 520 torr | 2 280 torr | 3 040 torr | 3 800 torr | 4 560 torr | 5 320 torr | 6 080 torr | 6 840 torr | 7 600 torr | 8 360 torr | 9 120 torr | 9 880 torr | 10 640 torr | 11 400 torr | 12 160 torr | 12 920 torr | 13 680 torr | 14 440 torr | 15 200 torr | 15 960 torr | 16 720 torr | 17 480 torr | 18 240 torr | 19 000 torr | 19 760 torr | 20 520 torr | 21 280 torr | 22 040 torr | 22 800 torr | 23 560 torr | 24 320 torr | 25 080 torr | 25 840 torr | 26 600 torr | 27 360 torr | 28 120 torr | 28 880 torr | 29 640 torr | 30 400 torr | 31 160 torr | 31 920 torr | 32 680 torr | 33 440 torr | 34 200 torr | 34 960 torr | 35 720 torr | 36 480 torr | 37 240 torr | 38 000 torr | 38 760 torr | 39 520 torr | 40 280 torr | 41 040 torr | 41 800 torr | 42 560 torr | 43 320 torr | 44 080 torr | 44 840 torr | 45 600 torr | 46 360 torr | 47 120 torr | 47 880 torr | 48 640 torr | 49 400 torr | 50 160 torr | 50 920 torr | 51 680 torr | 52 440 torr | 53 200 torr | 53 960 torr | 54 720 torr | 55 480 torr | 56 240 torr | 57 000 torr | 57 760 torr | 58 520 torr | 59 280 torr | 60 040 torr | 60 800 torr | 61 560 torr | 62 320 torr | 63 080 torr | 63 840 torr | 64 600 torr | 65 360 torr | 66 120 torr | 66 880 torr | 67 640 torr | 68 400 torr | 69 160 torr | 69 920 torr | 70 680 torr | 71 440 torr | 72 200 torr | 72 960 torr | 73 720 torr | 74 480 torr | 75 240 torr | 76 000 torr |
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 | torrs | atmospheres | torrs |
---|---|---|---|
1 | ≈ 760 | 6 | ≈ 4560 |
2 | ≈ 1520 | 7 | ≈ 5320 |
3 | ≈ 2280 | 8 | ≈ 6080 |
4 | ≈ 3040 | 9 | ≈ 6840 |
5 | ≈ 3800 | 10 | ≈ 7600 |
The torr (symbol: Torr) is a unit of pressure based on an absolute scale, now defined as exactly 1/760 of a standard atmosphere. Thus one torr is exactly 101325/760 pascals (~133.3 Pa).
Name of unit | Symbol | Definition | Relation to SI units | Unit System |
---|---|---|---|---|
torr | torr | ≡ 101325⁄760 Pa | ≈ 133.3224 Pa | Metric system SI |
torrs | atmospheres | torrs | atmospheres |
---|---|---|---|
1 | ≈ 0.0013157894736842 | 6 | ≈ 0.0078947368421053 |
2 | ≈ 0.0026315789473684 | 7 | ≈ 0.0092105263157895 |
3 | ≈ 0.0039473684210526 | 8 | ≈ 0.010526315789474 |
4 | ≈ 0.0052631578947368 | 9 | ≈ 0.011842105263158 |
5 | ≈ 0.0065789473684211 | 10 | ≈ 0.013157894736842 |
atmospheres | torrs |
---|---|
1 | ≈ 760 |
0.0013158 | ≈ 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 …) |