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Density Converters
Convert between kg/m³, lb/ft³, and g/cm³.
Density is mass per unit volume, commonly measured in kilograms per cubic meter (kg/m³) or grams per cubic centimeter (g/cm³). Water has a density of about 1,000 kg/m³ (or 1 g/cm³). The imperial unit is pounds per cubic foot (lb/ft³); water is about 62.4 lb/ft³. Density conversions use fixed factors. Note that g/cm³ and kg/m³ differ by a factor of 1,000, not 1,000,000, because both mass and volume scale.
Reviewed August 2026
3 Converters
kg/m³ to lb/ft³
Kilograms per Cubic Meter → Pounds per Cubic Foot
lb/ft³ to kg/m³
Pounds per Cubic Foot → Kilograms per Cubic Meter
g/cm³ to kg/m³
Grams per Cubic Centimeter → Kilograms per Cubic Meter
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