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Engineering ToolBox > Water - Specific Volume and Weight Density
Specific volume (in cubic feet per pound) and weight density (in pound per cubic foot and pound per gallon) can be found in the diagram or table below.

| Temperature - t - (oF) | Specific Volume - v - (ft3/lb) | Weight Density - ρ - | |
| (lb/ft3) | (lb/gallon) | ||
| 32 | 0.01602 | 62.41 | 8.344 |
| 40 | 0.01602 | 62.43 | 8.345 |
| 50 | 0.01602 | 62.41 | 8.343 |
| 60 | 0.01603 | 62.37 | 8.338 |
| 70 | 0.01605 | 62.31 | 8.329 |
| 80 | 0.01607 | 62.22 | 8.318 |
| 90 | 0.01610 | 62.12 | 8.304 |
| 100 | 0.01613 | 62.00 | 8.288 |
| 110 | 0.01617 | 61.86 | 8.270 |
| 120 | 0.01620 | 61.71 | 8.250 |
| 130 | 0.01625 | 61.55 | 8.228 |
| 140 | 0.01629 | 61.38 | 8.205 |
| 150 | 0.01634 | 61.19 | 8.180 |
| 160 | 0.01640 | 60.99 | 8.154 |
| 170 | 0.01645 | 60.79 | 8.126 |
| 180 | 0.01651 | 60.57 | 8.097 |
| 190 | 0.01657 | 60.34 | 8.067 |
| 200 | 0.01664 | 60.11 | 8.035 |
| 210 | 0.01670 | 59.86 | 8.002 |
| 212 | 0.01672 | 59.81 | 7.996 |
| 220 | 0.01678 | 59.61 | 7.969 |
| 240 | 0.01693 | 59.08 | 7.898 |
| 260 | 0.01709 | 58.52 | 7.823 |
| 280 | 0.01726 | 57.92 | 7.743 |
| 300 | 0.01745 | 57.31 | 7.661 |
| 350 | 0.01799 | 55.59 | 7.431 |
| 400 | 0.01864 | 53.65 | 7.172 |
| 450 | 0.01943 | 51.47 | 6.880 |
| 500 | 0.02043 | 48.95 | 6.543 |
| 550 | 0.02176 | 45.96 | 6.143 |
| 600 | 0.02364 | 42.30 | 5.655 |
| 650 | 0.02674 | 37.40 | 4.999 |
| 700 | 0.03662 | 27.30 | 3.651 |