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what is the mathematical formula for specific gravity. Specific gravity is a number given to represent how dense mass per unit volume a substance is in relation to water. The formula for specific gravity given that the reference substance is water is the density of the object divided by the density of the water.
API gravity 1415SG at 60F - 1315 where SG is the specific gravity of the fluid. So put the values in the specific gravity equation to know the answer. It is the ratio of density of an substance and water density.
API gravity 1415SG at 60F - 1315 where SG is the specific gravity of the fluid.
The specific gravity formula is given as Specific gravity Density of the substance Density of water. A short summary of this paper. So it is an empirical function of the specific gravity designed for the particular purpose. This temperature is considered because the water density at that temperature is 1000kgm³ or 1gcm³.