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 |
foot of mercury | 0.1696684 ftHg | 0.3393368 ftHg | 0.5090052 ftHg | 0.6786736 ftHg | 0.8483420 ftHg | 1.0180104 ftHg | 1.1876788 ftHg | 1.3573472 ftHg | 1.5270156 ftHg | 1.6966841 ftHg | 1.8663525 ftHg | 2.0360209 ftHg | 2.2056893 ftHg | 2.3753577 ftHg | 2.5450261 ftHg | 2.7146945 ftHg | 2.8843629 ftHg | 3.0540313 ftHg | 3.2236997 ftHg | 3.3933681 ftHg | 3.5630365 ftHg | 3.7327049 ftHg | 3.9023733 ftHg | 4.0720417 ftHg | 4.2417101 ftHg | 4.4113785 ftHg | 4.5810469 ftHg | 4.7507153 ftHg | 4.9203837 ftHg | 5.0900522 ftHg | 5.2597206 ftHg | 5.4293890 ftHg | 5.5990574 ftHg | 5.7687258 ftHg | 5.9383942 ftHg | 6.1080626 ftHg | 6.2777310 ftHg | 6.4473994 ftHg | 6.6170678 ftHg | 6.7867362 ftHg | 6.9564046 ftHg | 7.1260730 ftHg | 7.2957414 ftHg | 7.4654098 ftHg | 7.6350782 ftHg | 7.8047466 ftHg | 7.9744150 ftHg | 8.1440834 ftHg | 8.3137519 ftHg | 8.4834203 ftHg | 8.6530887 ftHg | 8.8227571 ftHg | 8.9924255 ftHg | 9.1620939 ftHg | 9.3317623 ftHg | 9.5014307 ftHg | 9.6710991 ftHg | 9.8407675 ftHg | 10.0104359 ftHg | 10.1801043 ftHg | 10.3497727 ftHg | 10.5194411 ftHg | 10.6891095 ftHg | 10.8587779 ftHg | 11.0284463 ftHg | 11.1981147 ftHg | 11.3677831 ftHg | 11.5374516 ftHg | 11.7071200 ftHg | 11.8767884 ftHg | 12.0464568 ftHg | 12.2161252 ftHg | 12.3857936 ftHg | 12.5554620 ftHg | 12.7251304 ftHg | 12.8947988 ftHg | 13.0644672 ftHg | 13.2341356 ftHg | 13.4038040 ftHg | 13.5734724 ftHg | 13.7431408 ftHg | 13.9128092 ftHg | 14.0824776 ftHg | 14.2521460 ftHg | 14.4218144 ftHg | 14.5914828 ftHg | 14.7611512 ftHg | 14.9308197 ftHg | 15.1004881 ftHg | 15.2701565 ftHg | 15.4398249 ftHg | 15.6094933 ftHg | 15.7791617 ftHg | 15.9488301 ftHg | 16.1184985 ftHg | 16.2881669 ftHg | 16.4578353 ftHg | 16.6275037 ftHg | 16.7971721 ftHg | 16.9668405 ftHg |
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) | feet of mercury | pound per (square inch) | feet of mercury |
---|---|---|---|
1 | ≈ 0.1696684051585 | 6 | ≈ 1.018010430951 |
2 | ≈ 0.33933681031701 | 7 | ≈ 1.1876788361095 |
3 | ≈ 0.50900521547551 | 8 | ≈ 1.357347241268 |
4 | ≈ 0.67867362063401 | 9 | ≈ 1.5270156464265 |
5 | ≈ 0.84834202579252 | 10 | ≈ 1.696684051585 |
A foot of mercury is the unit of pressure.
Name of unit | Symbol | Definition | Relation to SI units | Unit System |
---|---|---|---|---|
foot of mercury | ftHg | ≡ 13595.1 kg/m3 × 1 ft × ɡ0 | ≈ 4.063666×104 Pa | Imperial/US |
feet of mercury | pound per (square inch) | feet of mercury | pound per (square inch) |
---|---|---|---|
1 | ≈ 5.8938492353117 | 6 | ≈ 35.36309541187 |
2 | ≈ 11.787698470623 | 7 | ≈ 41.256944647182 |
3 | ≈ 17.681547705935 | 8 | ≈ 47.150793882493 |
4 | ≈ 23.575396941247 | 9 | ≈ 53.044643117805 |
5 | ≈ 29.469246176558 | 10 | ≈ 58.938492353117 |
pound per (square inch) | feet of mercury |
---|---|
1 | ≈ 0.1696684 |
5.8938492 | ≈ 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 …) |