Density Converter — 6 Units, Free & Instant

Convert between Density units. Choose from 6 different units including Kilograms per Cubic Meter, Grams per Cubic Centimeter, Grams per Milliliter.

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g/cm³ to kg/m³ kg/m³ to g/cm³ lb/ft³ to kg/m³ kg/m³ to lb/ft³ g/cm³ to lb/ft³ g/mL to kg/m³ kg/L to kg/m³ g/cm³ to g/mL

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From	Kilograms per Cubic Meter (kg/m³)
Kilograms per Cubic Meter (kg/m³)	1
Grams per Cubic Centimeter (g/cm³)	1000
Grams per Milliliter (g/mL)	1000
Kilograms per Liter (kg/L)	1000
Pounds per Cubic Foot (lb/ft³)	16.018463
Pounds per US Gallon (lb/gal)	119.826427

What density tells you

Density is mass per volume. Water is the anchor: 1 g/cm³ = 1,000 kg/m³ — materials denser than that sink, lighter ones float. Aluminium sits at 2.7 g/cm³, steel near 7.9, gold at 19.3.

The unit landscape

Science uses g/cm³, engineering kg/m³, and US practice pounds per cubic foot (water ≈ 62.4 lb/ft³) or per gallon (≈ 8.34 lb/gal). Since 1 g/cm³, 1 g/mL and 1 kg/L are the same value, the real conversion work is between metric and imperial.