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 |
torr | 25.4000063 torr | 50.8000126 torr | 76.2000189 torr | 101.6000253 torr | 127.0000316 torr | 152.4000379 torr | 177.8000442 torr | 203.2000505 torr | 228.6000568 torr | 254.0000632 torr | 279.4000695 torr | 304.8000758 torr | 330.2000821 torr | 355.6000884 torr | 381.0000947 torr | 406.4001011 torr | 431.8001074 torr | 457.2001137 torr | 482.6001200 torr | 508.0001263 torr | 533.4001326 torr | 558.8001390 torr | 584.2001453 torr | 609.6001516 torr | 635.0001579 torr | 660.4001642 torr | 685.8001705 torr | 711.2001769 torr | 736.6001832 torr | 762.0001895 torr | 787.4001958 torr | 812.8002021 torr | 838.2002084 torr | 863.6002148 torr | 889.0002211 torr | 914.4002274 torr | 939.8002337 torr | 965.2002400 torr | 990.6002463 torr | 1,016.0002527 torr | 1,041.4002590 torr | 1,066.8002653 torr | 1,092.2002716 torr | 1,117.6002779 torr | 1,143.0002842 torr | 1,168.4002906 torr | 1,193.8002969 torr | 1,219.2003032 torr | 1,244.6003095 torr | 1,270.0003158 torr | 1,295.4003221 torr | 1,320.8003284 torr | 1,346.2003348 torr | 1,371.6003411 torr | 1,397.0003474 torr | 1,422.4003537 torr | 1,447.8003600 torr | 1,473.2003663 torr | 1,498.6003727 torr | 1,524.0003790 torr | 1,549.4003853 torr | 1,574.8003916 torr | 1,600.2003979 torr | 1,625.6004042 torr | 1,651.0004106 torr | 1,676.4004169 torr | 1,701.8004232 torr | 1,727.2004295 torr | 1,752.6004358 torr | 1,778.0004421 torr | 1,803.4004485 torr | 1,828.8004548 torr | 1,854.2004611 torr | 1,879.6004674 torr | 1,905.0004737 torr | 1,930.4004800 torr | 1,955.8004864 torr | 1,981.2004927 torr | 2,006.6004990 torr | 2,032.0005053 torr | 2,057.4005116 torr | 2,082.8005179 torr | 2,108.2005243 torr | 2,133.6005306 torr | 2,159.0005369 torr | 2,184.4005432 torr | 2,209.8005495 torr | 2,235.2005558 torr | 2,260.6005622 torr | 2,286.0005685 torr | 2,311.4005748 torr | 2,336.8005811 torr | 2,362.2005874 torr | 2,387.6005937 torr | 2,413.0006000 torr | 2,438.4006064 torr | 2,463.8006127 torr | 2,489.2006190 torr | 2,514.6006253 torr | 2,540.0006316 torr |
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 | torrs | Inches of mercury | torrs |
---|---|---|---|
1 | ≈ 25.400006316309 | 6 | ≈ 152.40003789785 |
2 | ≈ 50.800012632618 | 7 | ≈ 177.80004421416 |
3 | ≈ 76.200018948927 | 8 | ≈ 203.20005053047 |
4 | ≈ 101.60002526524 | 9 | ≈ 228.60005684678 |
5 | ≈ 127.00003158154 | 10 | ≈ 254.00006316309 |
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 | Inches of mercury | torrs | Inches of mercury |
---|---|---|---|
1 | ≈ 0.039370068949862 | 6 | ≈ 0.23622041369917 |
2 | ≈ 0.078740137899723 | 7 | ≈ 0.27559048264903 |
3 | ≈ 0.11811020684958 | 8 | ≈ 0.31496055159889 |
4 | ≈ 0.15748027579945 | 9 | ≈ 0.35433062054875 |
5 | ≈ 0.19685034474931 | 10 | ≈ 0.39370068949862 |
Inches of mercury | torrs |
---|---|
1 | ≈ 25.4000063 |
0.0393701 | ≈ 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 …) |