inch of water (39.2 °F) | 1 inH2O | 2 inH2O | 3 inH2O | 4 inH2O | 5 inH2O | 6 inH2O | 7 inH2O | 8 inH2O | 9 inH2O | 10 inH2O | 11 inH2O | 12 inH2O | 13 inH2O | 14 inH2O | 15 inH2O | 16 inH2O | 17 inH2O | 18 inH2O | 19 inH2O | 20 inH2O | 21 inH2O | 22 inH2O | 23 inH2O | 24 inH2O | 25 inH2O | 26 inH2O | 27 inH2O | 28 inH2O | 29 inH2O | 30 inH2O | 31 inH2O | 32 inH2O | 33 inH2O | 34 inH2O | 35 inH2O | 36 inH2O | 37 inH2O | 38 inH2O | 39 inH2O | 40 inH2O | 41 inH2O | 42 inH2O | 43 inH2O | 44 inH2O | 45 inH2O | 46 inH2O | 47 inH2O | 48 inH2O | 49 inH2O | 50 inH2O | 51 inH2O | 52 inH2O | 53 inH2O | 54 inH2O | 55 inH2O | 56 inH2O | 57 inH2O | 58 inH2O | 59 inH2O | 60 inH2O | 61 inH2O | 62 inH2O | 63 inH2O | 64 inH2O | 65 inH2O | 66 inH2O | 67 inH2O | 68 inH2O | 69 inH2O | 70 inH2O | 71 inH2O | 72 inH2O | 73 inH2O | 74 inH2O | 75 inH2O | 76 inH2O | 77 inH2O | 78 inH2O | 79 inH2O | 80 inH2O | 81 inH2O | 82 inH2O | 83 inH2O | 84 inH2O | 85 inH2O | 86 inH2O | 87 inH2O | 88 inH2O | 89 inH2O | 90 inH2O | 91 inH2O | 92 inH2O | 93 inH2O | 94 inH2O | 95 inH2O | 96 inH2O | 97 inH2O | 98 inH2O | 99 inH2O | 100 inH2O |
pound per (square inch) | 0.0361263 lb/in2 | 0.0722526 lb/in2 | 0.1083789 lb/in2 | 0.1445052 lb/in2 | 0.1806314 lb/in2 | 0.2167577 lb/in2 | 0.2528840 lb/in2 | 0.2890103 lb/in2 | 0.3251366 lb/in2 | 0.3612629 lb/in2 | 0.3973892 lb/in2 | 0.4335155 lb/in2 | 0.4696418 lb/in2 | 0.5057681 lb/in2 | 0.5418943 lb/in2 | 0.5780206 lb/in2 | 0.6141469 lb/in2 | 0.6502732 lb/in2 | 0.6863995 lb/in2 | 0.7225258 lb/in2 | 0.7586521 lb/in2 | 0.7947784 lb/in2 | 0.8309047 lb/in2 | 0.8670310 lb/in2 | 0.9031572 lb/in2 | 0.9392835 lb/in2 | 0.9754098 lb/in2 | 1.0115361 lb/in2 | 1.0476624 lb/in2 | 1.0837887 lb/in2 | 1.1199150 lb/in2 | 1.1560413 lb/in2 | 1.1921676 lb/in2 | 1.2282939 lb/in2 | 1.2644201 lb/in2 | 1.3005464 lb/in2 | 1.3366727 lb/in2 | 1.3727990 lb/in2 | 1.4089253 lb/in2 | 1.4450516 lb/in2 | 1.4811779 lb/in2 | 1.5173042 lb/in2 | 1.5534305 lb/in2 | 1.5895568 lb/in2 | 1.6256830 lb/in2 | 1.6618093 lb/in2 | 1.6979356 lb/in2 | 1.7340619 lb/in2 | 1.7701882 lb/in2 | 1.8063145 lb/in2 | 1.8424408 lb/in2 | 1.8785671 lb/in2 | 1.9146934 lb/in2 | 1.9508196 lb/in2 | 1.9869459 lb/in2 | 2.0230722 lb/in2 | 2.0591985 lb/in2 | 2.0953248 lb/in2 | 2.1314511 lb/in2 | 2.1675774 lb/in2 | 2.2037037 lb/in2 | 2.2398300 lb/in2 | 2.2759563 lb/in2 | 2.3120825 lb/in2 | 2.3482088 lb/in2 | 2.3843351 lb/in2 | 2.4204614 lb/in2 | 2.4565877 lb/in2 | 2.4927140 lb/in2 | 2.5288403 lb/in2 | 2.5649666 lb/in2 | 2.6010929 lb/in2 | 2.6372192 lb/in2 | 2.6733454 lb/in2 | 2.7094717 lb/in2 | 2.7455980 lb/in2 | 2.7817243 lb/in2 | 2.8178506 lb/in2 | 2.8539769 lb/in2 | 2.8901032 lb/in2 | 2.9262295 lb/in2 | 2.9623558 lb/in2 | 2.9984821 lb/in2 | 3.0346083 lb/in2 | 3.0707346 lb/in2 | 3.1068609 lb/in2 | 3.1429872 lb/in2 | 3.1791135 lb/in2 | 3.2152398 lb/in2 | 3.2513661 lb/in2 | 3.2874924 lb/in2 | 3.3236187 lb/in2 | 3.3597450 lb/in2 | 3.3958712 lb/in2 | 3.4319975 lb/in2 | 3.4681238 lb/in2 | 3.5042501 lb/in2 | 3.5403764 lb/in2 | 3.5765027 lb/in2 | 3.6126290 lb/in2 |
inch of water (39.2 °F) is a unit of measurement for pressure.
Name of unit | Symbol | Definition | Relation to SI units | Unit System |
---|---|---|---|---|
inch of water (39.2 °F) | inH2O | ≈ 999.972 kg/m3 × 1 in × ɡ0 | ≈ 249.082 Pa | Imperial/US |
inches of water (39.2 °F) | pound per (square inch) | inches of water (39.2 °F) | pound per (square inch) |
---|---|---|---|
1 | ≈ 0.036126289789316 | 6 | ≈ 0.2167577387359 |
2 | ≈ 0.072252579578632 | 7 | ≈ 0.25288402852521 |
3 | ≈ 0.10837886936795 | 8 | ≈ 0.28901031831453 |
4 | ≈ 0.14450515915726 | 9 | ≈ 0.32513660810384 |
5 | ≈ 0.18063144894658 | 10 | ≈ 0.36126289789316 |
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 water (39.2 °F) | pound per (square inch) | inches of water (39.2 °F) |
---|---|---|---|
1 | ≈ 27.68067260247 | 6 | ≈ 166.08403561482 |
2 | ≈ 55.361345204939 | 7 | ≈ 193.76470821729 |
3 | ≈ 83.042017807409 | 8 | ≈ 221.44538081976 |
4 | ≈ 110.72269040988 | 9 | ≈ 249.12605342223 |
5 | ≈ 138.40336301235 | 10 | ≈ 276.8067260247 |
inches of water (39.2 °F) | pound per (square inch) |
---|---|
1 | ≈ 0.0361263 |
27.6806726 | ≈ 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 …) |