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Specific Gravity Calculator

📐 Physics of Matter. Use the Specific gravity formula to find specific gravity, density, water density: pick the value you want, type the others, and the answer updates as you go.

SG=ρsubstanceρwaterSG = \dfrac{\rho_{substance}}{\rho_{water}}
Specific gravity13.6

Pick the ○ next to the value you want to find, fill in the others, and it solves as you type.

What each letter means

QuantityUnit
Specific gravityno unit
Densitykg/m³
Water densitykg/m³

Worked example

Find the specific gravity when Density = 13600 kg/m³, Water density = 1000 kg/m³.

Using SG =: Specific gravity = 13.6.

Frequently asked questions

What is the formula for Specific gravity?

SG =.

What do the letters stand for, and what units are used?

Specific gravity, Density in kg/m³, Water density in kg/m³.

How do you calculate specific gravity?

Put the values into SG =. For example, with Density = 13600 kg/m³, Water density = 1000 kg/m³, specific gravity = 13.6.

Can I solve for a different value?

Yes. In the calculator above, pick the circle next to any value (specific gravity, density, water density) and fill in the others: it rearranges the formula for you.

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