The Free On-line Aquaculture Dictionary

Hydrometer conversion to salinity
Click on the temperature range you require below:
-1 to 8oC 9  - 18oC 18.5 - 23oC 23.5 - 28oC 28.5 - 33oC

Table gives salinity in parts per thousand for temperatures  -1 to 8oC

S.G.

Temperature oC
  -1 0 1 2 3 4 5 6 7 8
1.000
1.001 0.6 0.6 0.5 0.5 0.2 0.2 0.2 0.2 0.2 0.2
1.002 1.9 1.9 1.8 1.6 1.6 1.6 1.5 1.5 1.6 1.6
1.003 3.2 3.1 2.9 2.9 2.8 2.8 2.8 2.8 2.8 2.9
1.004 4.4 4.2 4.2 4.1 4.1 4.1 4.1 4.1 4.1 4.2
1.005 5.7 5.5 5.4 5.4 5.4 5.3 5.3 5.4 5.4 5.4
1.006 6.8 6.8 6.7 6.6 6.6 6.6 6.6 6.6 6.7 6.7
1.007 8.1 8 7.9 7.9 7.9 7.9 7.9 7.9 7.9 8
1.008 9.3 9.2 9.2 9.2 9.2 9.2 9.2 9.2 9.2 9.3
1.009 10.5 10.5 10.4 10.4 10.4 10.4 10.4 10.5 10.5 10.6
1.010 11.8 11.7 11.7 11.7 11.7 11.7 11.7 11.7 11.8 11.8
1.011 13 13 12.8 12.8 12.8 12.8 13 13 13.1 13.1
1.012 14.3 14.1 14.1 14.1 14.1 14.1 14.1 14.3 14.3 14.4
1.013 15.4 15.4 15.4 15.4 15.4 15.4 15.4 15.4 15.6 15.7
1.014 16.7 16.6 16.6 16.6 16.6 16.6 16.7 16.7 16.9 17
1.015 17.9 17.9 17.9 17.9 17.9 17.9 17.9 18 18 18.2
1.016 19.2 19.1 19.1 19.1 19.1 19.2 19.2 19.3 19.3 19.5
1.017 20.4 20.4 20.4 20.4 20.4 20.4 20.5 20.5 20.6 20.8
1.018 21.7 21.7 21.6 .21.6 21.7 21.7 21.7 21.8 22 22.1
1.019 22.9 22.9 22.9 22.9 22.9 23 23 23.1 23.3 23.4
1.020 24.2 24.2 24 24.2 24.2 24.2 24.3 24.3 24.4 24.6
1.021 25.3 25.3 25.3 25.3 25.5 25.5 25.6 25.6 25.7 25.9
1.022 26.6 26.6 26.6 26.6 26.6 26.8 26.8 26.9 27 27.2
1.023 27.8 27.8 27.8 27.8 27.9 27.9 28.1 28.2 28.3 28.5
1.024 29.1 29.1 29.1 29.1 29.1 29.2 29.4 29.5 29.5 29.8
1.025 30.3 30.3 30.3 30.4 30.4 30.6 30.6 30.7 30.8 30.9
1.026 31.6 31.6 31.6 31.6 31.7 31.7 31.9 32 32.1 32.2
1.027 32.8 32.8 32.9 32.9 32.9 33 33.2 33.3 33.4 33.5
1.028 34.1 34.1 34.1 34.1 34.2 34.3 34.5 34.5 34.7 34.8
1.029 35.2 35.2 35.4 35.4 35.5 35.5 35.6 35.8 35.9 36.2
1.030 36.5 36.5 36.5 36.7 36.7 36.8 36.9 37.1 37.2 37.3
1.031 37.7 37.7 37.8 37.8 38 38.1 38.2 38.4 38.5 38.6