pound per (square inch) | 1 lb/in2 | 2 lb/in2 | 3 lb/in2 | 4 lb/in2 | 5 lb/in2 | 6 lb/in2 | 7 lb/in2 | 8 lb/in2 | 9 lb/in2 | 10 lb/in2 | 11 lb/in2 | 12 lb/in2 | 13 lb/in2 | 14 lb/in2 | 15 lb/in2 | 16 lb/in2 | 17 lb/in2 | 18 lb/in2 | 19 lb/in2 | 20 lb/in2 | 21 lb/in2 | 22 lb/in2 | 23 lb/in2 | 24 lb/in2 | 25 lb/in2 | 26 lb/in2 | 27 lb/in2 | 28 lb/in2 | 29 lb/in2 | 30 lb/in2 | 31 lb/in2 | 32 lb/in2 | 33 lb/in2 | 34 lb/in2 | 35 lb/in2 | 36 lb/in2 | 37 lb/in2 | 38 lb/in2 | 39 lb/in2 | 40 lb/in2 | 41 lb/in2 | 42 lb/in2 | 43 lb/in2 | 44 lb/in2 | 45 lb/in2 | 46 lb/in2 | 47 lb/in2 | 48 lb/in2 | 49 lb/in2 | 50 lb/in2 | 51 lb/in2 | 52 lb/in2 | 53 lb/in2 | 54 lb/in2 | 55 lb/in2 | 56 lb/in2 | 57 lb/in2 | 58 lb/in2 | 59 lb/in2 | 60 lb/in2 | 61 lb/in2 | 62 lb/in2 | 63 lb/in2 | 64 lb/in2 | 65 lb/in2 | 66 lb/in2 | 67 lb/in2 | 68 lb/in2 | 69 lb/in2 | 70 lb/in2 | 71 lb/in2 | 72 lb/in2 | 73 lb/in2 | 74 lb/in2 | 75 lb/in2 | 76 lb/in2 | 77 lb/in2 | 78 lb/in2 | 79 lb/in2 | 80 lb/in2 | 81 lb/in2 | 82 lb/in2 | 83 lb/in2 | 84 lb/in2 | 85 lb/in2 | 86 lb/in2 | 87 lb/in2 | 88 lb/in2 | 89 lb/in2 | 90 lb/in2 | 91 lb/in2 | 92 lb/in2 | 93 lb/in2 | 94 lb/in2 | 95 lb/in2 | 96 lb/in2 | 97 lb/in2 | 98 lb/in2 | 99 lb/in2 | 100 lb/in2 |
Inch of mercury | 2.0360205 inHg | 4.0720409 inHg | 6.1080614 inHg | 8.1440818 inHg | 10.1801023 inHg | 12.2161228 inHg | 14.2521432 inHg | 16.2881637 inHg | 18.3241841 inHg | 20.3602046 inHg | 22.3962251 inHg | 24.4322455 inHg | 26.4682660 inHg | 28.5042865 inHg | 30.5403069 inHg | 32.5763274 inHg | 34.6123478 inHg | 36.6483683 inHg | 38.6843888 inHg | 40.7204092 inHg | 42.7564297 inHg | 44.7924501 inHg | 46.8284706 inHg | 48.8644911 inHg | 50.9005115 inHg | 52.9365320 inHg | 54.9725524 inHg | 57.0085729 inHg | 59.0445934 inHg | 61.0806138 inHg | 63.1166343 inHg | 65.1526548 inHg | 67.1886752 inHg | 69.2246957 inHg | 71.2607161 inHg | 73.2967366 inHg | 75.3327571 inHg | 77.3687775 inHg | 79.4047980 inHg | 81.4408184 inHg | 83.4768389 inHg | 85.5128594 inHg | 87.5488798 inHg | 89.5849003 inHg | 91.6209207 inHg | 93.6569412 inHg | 95.6929617 inHg | 97.7289821 inHg | 99.7650026 inHg | 101.8010231 inHg | 103.8370435 inHg | 105.8730640 inHg | 107.9090844 inHg | 109.9451049 inHg | 111.9811254 inHg | 114.0171458 inHg | 116.0531663 inHg | 118.0891867 inHg | 120.1252072 inHg | 122.1612277 inHg | 124.1972481 inHg | 126.2332686 inHg | 128.2692890 inHg | 130.3053095 inHg | 132.3413300 inHg | 134.3773504 inHg | 136.4133709 inHg | 138.4493914 inHg | 140.4854118 inHg | 142.5214323 inHg | 144.5574527 inHg | 146.5934732 inHg | 148.6294937 inHg | 150.6655141 inHg | 152.7015346 inHg | 154.7375550 inHg | 156.7735755 inHg | 158.8095960 inHg | 160.8456164 inHg | 162.8816369 inHg | 164.9176573 inHg | 166.9536778 inHg | 168.9896983 inHg | 171.0257187 inHg | 173.0617392 inHg | 175.0977597 inHg | 177.1337801 inHg | 179.1698006 inHg | 181.2058210 inHg | 183.2418415 inHg | 185.2778620 inHg | 187.3138824 inHg | 189.3499029 inHg | 191.3859233 inHg | 193.4219438 inHg | 195.4579643 inHg | 197.4939847 inHg | 199.5300052 inHg | 201.5660256 inHg | 203.6020461 inHg |
The pound per square inch or, more accurately, pound-force per square inch (symbol: lbf/in2; abbreviation: psi) is a unit of pressure or of stress based on avoirdupois units.
Name of unit | Symbol | Definition | Relation to SI units | Unit System |
---|---|---|---|---|
pound per (square inch) | lb/in2 | ≡ 1 pound × ɡ0 / 1 sq in | = 6 894.75729 pascals | Imperial/US |
pound per (square inch) | Inches of mercury | pound per (square inch) | Inches of mercury |
---|---|---|---|
1 | ≈ 2.0360204610777 | 6 | ≈ 12.216122766466 |
2 | ≈ 4.0720409221553 | 7 | ≈ 14.252143227544 |
3 | ≈ 6.108061383233 | 8 | ≈ 16.288163688621 |
4 | ≈ 8.1440818443107 | 9 | ≈ 18.324184149699 |
5 | ≈ 10.180102305388 | 10 | ≈ 20.360204610777 |
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 | pound per (square inch) | Inches of mercury | pound per (square inch) |
---|---|---|---|
1 | ≈ 0.49115419963447 | 6 | ≈ 2.9469251978068 |
2 | ≈ 0.98230839926893 | 7 | ≈ 3.4380793974413 |
3 | ≈ 1.4734625989034 | 8 | ≈ 3.9292335970757 |
4 | ≈ 1.9646167985379 | 9 | ≈ 4.4203877967102 |
5 | ≈ 2.4557709981723 | 10 | ≈ 4.9115419963447 |
pound per (square inch) | Inches of mercury |
---|---|
1 | ≈ 2.0360205 |
0.4911542 | ≈ 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 …) |