What is the difference between density and specific gravity

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Physics

Bailee

20 May, 10:37

What is the difference between density and specific gravity

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Scruffy · Answer 1

Density is defined as mass per unit volume. It has the SI unit kg m-3 or Kg/m-3 and is an absolute quantity. Specific gravity is the ratio of a material's density with that of water at 4 °C (where it is most dense and is taken to have the value 999.974 kg·m-3). It is therefore a relative quantity with no units.