foot of water (39.2 °F) | 1 ftH2O | 2 ftH2O | 3 ftH2O | 4 ftH2O | 5 ftH2O | 6 ftH2O | 7 ftH2O | 8 ftH2O | 9 ftH2O | 10 ftH2O | 11 ftH2O | 12 ftH2O | 13 ftH2O | 14 ftH2O | 15 ftH2O | 16 ftH2O | 17 ftH2O | 18 ftH2O | 19 ftH2O | 20 ftH2O | 21 ftH2O | 22 ftH2O | 23 ftH2O | 24 ftH2O | 25 ftH2O | 26 ftH2O | 27 ftH2O | 28 ftH2O | 29 ftH2O | 30 ftH2O | 31 ftH2O | 32 ftH2O | 33 ftH2O | 34 ftH2O | 35 ftH2O | 36 ftH2O | 37 ftH2O | 38 ftH2O | 39 ftH2O | 40 ftH2O | 41 ftH2O | 42 ftH2O | 43 ftH2O | 44 ftH2O | 45 ftH2O | 46 ftH2O | 47 ftH2O | 48 ftH2O | 49 ftH2O | 50 ftH2O | 51 ftH2O | 52 ftH2O | 53 ftH2O | 54 ftH2O | 55 ftH2O | 56 ftH2O | 57 ftH2O | 58 ftH2O | 59 ftH2O | 60 ftH2O | 61 ftH2O | 62 ftH2O | 63 ftH2O | 64 ftH2O | 65 ftH2O | 66 ftH2O | 67 ftH2O | 68 ftH2O | 69 ftH2O | 70 ftH2O | 71 ftH2O | 72 ftH2O | 73 ftH2O | 74 ftH2O | 75 ftH2O | 76 ftH2O | 77 ftH2O | 78 ftH2O | 79 ftH2O | 80 ftH2O | 81 ftH2O | 82 ftH2O | 83 ftH2O | 84 ftH2O | 85 ftH2O | 86 ftH2O | 87 ftH2O | 88 ftH2O | 89 ftH2O | 90 ftH2O | 91 ftH2O | 92 ftH2O | 93 ftH2O | 94 ftH2O | 95 ftH2O | 96 ftH2O | 97 ftH2O | 98 ftH2O | 99 ftH2O | 100 ftH2O |
pound per (square inch) | 0.4335149 lb/in2 | 0.8670298 lb/in2 | 1.3005447 lb/in2 | 1.7340596 lb/in2 | 2.1675745 lb/in2 | 2.6010894 lb/in2 | 3.0346043 lb/in2 | 3.4681192 lb/in2 | 3.9016341 lb/in2 | 4.3351490 lb/in2 | 4.7686639 lb/in2 | 5.2021788 lb/in2 | 5.6356937 lb/in2 | 6.0692086 lb/in2 | 6.5027235 lb/in2 | 6.9362384 lb/in2 | 7.3697533 lb/in2 | 7.8032682 lb/in2 | 8.2367830 lb/in2 | 8.6702979 lb/in2 | 9.1038128 lb/in2 | 9.5373277 lb/in2 | 9.9708426 lb/in2 | 10.4043575 lb/in2 | 10.8378724 lb/in2 | 11.2713873 lb/in2 | 11.7049022 lb/in2 | 12.1384171 lb/in2 | 12.5719320 lb/in2 | 13.0054469 lb/in2 | 13.4389618 lb/in2 | 13.8724767 lb/in2 | 14.3059916 lb/in2 | 14.7395065 lb/in2 | 15.1730214 lb/in2 | 15.6065363 lb/in2 | 16.0400512 lb/in2 | 16.4735661 lb/in2 | 16.9070810 lb/in2 | 17.3405959 lb/in2 | 17.7741108 lb/in2 | 18.2076257 lb/in2 | 18.6411406 lb/in2 | 19.0746555 lb/in2 | 19.5081704 lb/in2 | 19.9416853 lb/in2 | 20.3752002 lb/in2 | 20.8087151 lb/in2 | 21.2422300 lb/in2 | 21.6757449 lb/in2 | 22.1092598 lb/in2 | 22.5427747 lb/in2 | 22.9762896 lb/in2 | 23.4098045 lb/in2 | 23.8433194 lb/in2 | 24.2768342 lb/in2 | 24.7103491 lb/in2 | 25.1438640 lb/in2 | 25.5773789 lb/in2 | 26.0108938 lb/in2 | 26.4444087 lb/in2 | 26.8779236 lb/in2 | 27.3114385 lb/in2 | 27.7449534 lb/in2 | 28.1784683 lb/in2 | 28.6119832 lb/in2 | 29.0454981 lb/in2 | 29.4790130 lb/in2 | 29.9125279 lb/in2 | 30.3460428 lb/in2 | 30.7795577 lb/in2 | 31.2130726 lb/in2 | 31.6465875 lb/in2 | 32.0801024 lb/in2 | 32.5136173 lb/in2 | 32.9471322 lb/in2 | 33.3806471 lb/in2 | 33.8141620 lb/in2 | 34.2476769 lb/in2 | 34.6811918 lb/in2 | 35.1147067 lb/in2 | 35.5482216 lb/in2 | 35.9817365 lb/in2 | 36.4152514 lb/in2 | 36.8487663 lb/in2 | 37.2822812 lb/in2 | 37.7157961 lb/in2 | 38.1493110 lb/in2 | 38.5828259 lb/in2 | 39.0163408 lb/in2 | 39.4498557 lb/in2 | 39.8833706 lb/in2 | 40.3168855 lb/in2 | 40.7504003 lb/in2 | 41.1839152 lb/in2 | 41.6174301 lb/in2 | 42.0509450 lb/in2 | 42.4844599 lb/in2 | 42.9179748 lb/in2 | 43.3514897 lb/in2 |
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) | pound per (square inch) | feet of water (39.2 °F) | pound per (square inch) |
---|---|---|---|
1 | ≈ 0.43351489732084 | 6 | ≈ 2.601089383925 |
2 | ≈ 0.86702979464168 | 7 | ≈ 3.0346042812459 |
3 | ≈ 1.3005446919625 | 8 | ≈ 3.4681191785667 |
4 | ≈ 1.7340595892834 | 9 | ≈ 3.9016340758876 |
5 | ≈ 2.1675744866042 | 10 | ≈ 4.3351489732084 |
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 water (39.2 °F) | pound per (square inch) | feet of water (39.2 °F) |
---|---|---|---|
1 | ≈ 2.3067258038422 | 6 | ≈ 13.840354823053 |
2 | ≈ 4.6134516076845 | 7 | ≈ 16.147080626896 |
3 | ≈ 6.9201774115267 | 8 | ≈ 18.453806430738 |
4 | ≈ 9.2269032153689 | 9 | ≈ 20.76053223458 |
5 | ≈ 11.533629019211 | 10 | ≈ 23.067258038422 |
feet of water (39.2 °F) | pound per (square inch) |
---|---|
1 | ≈ 0.4335149 |
2.3067258 | ≈ 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 …) |