Salinity (Conductivity) Readings Table

Conversion Table

Grains per gallon of sea salt to equivalent parts per million of chloride to parts per million of chlorides in sea water.

GPG EPM PPM
0.108 0.28 1
0.25 0.065 2.315
0.5 0.131 4.627
1 0.261 9.254
2 0.522 18.509
3 0.783 27.763
3.83 1 35.457
4 1.044 37.017
5 1.305 46.271
5.75 1.501 43.221
6 1.566 55.526
7 1.827 64.78
8 2.088 74.034
9 2.349 83.289
10 2.61 92.542
10.8 2.82 100

pH Value

Ph Value Number of times acidity or alkalinity exceed that of pure water
0 10,000,000
1 1,000,000
2 100,000
3 10,000
4 1,000
5 100
6 10
7 1
8 10
9 100
10 1,000
11 10,000
12 100,000
13 1,000,000
14 10,000,000

Approximate Density of Liquids

At 50° to 80°Fahrenheit

Liquid lb./cu.ft. lb./U.S. Gal.
Alcohol 50 6.7
Benzine 56 7.5
Gasoline 43 5.8
Glycerine 78 10.5
Kerosene 51 6.8
Lubricating Oil 57 7.5
Pure Water 62.4 8.34
Sea Water 64 8.55