Known facts “ At roughly 4oC (39.2oF) H2O has it's highest density”
Temperature - t - (oF)
Density - ρ - (slugs/ft3)
Weight-Specific Weight - γ -
(lb/ft3)
(lb/US gallon)
32
1.940
62.42
8.3436
40
62.43
8.3451
50
62.41
8.3430
60
1.938
62.37
8.3378
70
1.936
62.30
8.3290
80
1.934
62.22
8.3176
90
1.931
62.11
8.3077
100
1.927
62
8.2877
120
1.918
61.71
8.2498
140
1.908
61.38
8.2048
160
1.896
61
8.1537
180
1.883
60.58
8.0969
200
1.869
60.12
8.0351
212
1.860
59.83
7.9957
Density Table / Temperature Density and Specific Weight of Water in English Units
To calculate between units e.g. Metric and Imperial please use the engineering unit calculators
API Oil Gravity Conversion