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 |