Density converter

Convert kg/m³, g/cm³, lb/ft³ and lb per gallon.

Kilograms per cubic metre (g/l)

kg/m³

Grams per cubic centimetre (kg/l)

g/cm³

Pounds per cubic foot

lb/ft³

Pounds per cubic inch

lb/in³

Pounds per US gallon

lb/US gal

How it works

Water has a density of about 1 g/cm³ = 1000 kg/m³. Acoustic insulation is often specified by density, e.g. 40 to 60 kg/m³ for mineral wool.

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