Converter category
Density Converter
Convert between kilograms per cubic meter, grams per liter, pounds per cubic foot, and more for substance density measurements.
Universal Density Converter
About density conversions
Density conversions are used in chemistry, physics, engineering, shipping, cooking, and materials science. Our density converter covers metric units such as kilograms per cubic meter, grams per cubic centimeter, grams per milliliter, kilograms per liter, and milligrams per liter. It also includes Imperial and US customary units such as pounds per cubic foot, pounds per gallon, ounces per cubic inch, and slugs per cubic foot. Whether you are comparing material densities, calculating buoyancy, mixing solutions, or verifying shipping weights, this converter provides accurate results.
Most popular density conversions
Available units
Popular density conversions (1056 total)
Unit definitions
Kilogram per Cubic Meter (kg/m³)
SI density unit. Water has density of 1000 kg/m³.
Origin: SI standard for density measurement.
Current use: Science, Engineering, Water density
Gram per Cubic Meter (g/m³)
Small density unit for gases and particulates.
Origin: Used for air quality measurements.
Current use: Air quality, Pollution monitoring, Environmental science
Milligram per Cubic Meter (mg/m³)
Very small density for air pollutants and aerosols.
Origin: Air quality standard measurement.
Current use: Air pollution, PM2.5 measurements, Industrial hygiene
Gram per Cubic Centimeter (g/cm³)
Density of water is 1 g/cm³. Equal to kg/L.
Origin: CGS density unit.
Current use: Chemistry, Materials science, Hydrology
Gram per Centiliter (g/cL)
Medical and laboratory density unit.
Origin: Used in medical testing.
Current use: Medical tests, Blood analysis, Laboratory work
Kilogram per Centiliter (kg/cL)
High density unit for concentrated solutions.
Origin: Laboratory density measurement.
Current use: Chemical solutions, Concentrates, Industrial chemicals
Milligram per Centiliter (mg/cL)
Medical concentration unit.
Origin: Standard in blood work.
Current use: Blood tests, Medical diagnostics, Urinalysis
Microgram per Centiliter (µg/cL)
Trace concentration measurement.
Origin: Analytical chemistry standard.
Current use: Drug testing, Trace analysis, Forensics
Nanogram per Centiliter (ng/cL)
Ultra-trace concentration for advanced analytics.
Origin: Modern analytical chemistry.
Current use: Research labs, Pharmaceutical, Toxicology
Kilogram per Liter (kg/L)
Water density is 1 kg/L. Common for practical measurements.
Origin: Easy to conceptualize - 1 liter of water weighs 1 kg.
Current use: Beverages, Chemistry, Daily use
Gram per Liter (g/L)
Solution concentration unit. 1 g/L = 1 kg/m³.
Origin: Common in chemistry.
Current use: Solution preparation, Water quality, Food science
Milligram per Liter (mg/L)
Water quality standard unit.
Origin: Environmental testing.
Current use: Drinking water, Wastewater, Aquarium
Microgram per Liter (µg/L)
Trace contaminant measurement.
Origin: Modern environmental standards.
Current use: Pesticide residues, Drug detection, Trace metals
Gram per Milliliter (g/mL)
Density of water. Used for dense liquids.
Origin: Laboratory standard.
Current use: Concentrated solutions, Syrups, Laboratory work
Milligram per Milliliter (mg/mL)
Medical dosage concentration.
Origin: Standard for IV solutions.
Current use: IV fluids, Medications, Blood plasma
Kilogram per Cubic Meter (kg/m³)
SI density unit. Water = 1000 kg/m³.
Origin: Same as kg-per-cbm, duplicate entry.
Current use: Science, Engineering, Standard reference
Kilogram per Cubic Yard (kg/yd³)
Construction density in Imperial units.
Origin: Used in US construction.
Current use: Concrete mix, Aggregate materials, Construction
Kilogram per Cubic Foot (kg/ft³)
Material density in US units.
Origin: US engineering standard.
Current use: Material testing, Shipping density, Engineering
Gram per Cubic Inch (g/in³)
Small volume density for materials.
Origin: Materials science.
Current use: Plastics, Metals, Manufacturing
Pound per Cubic Foot (lb/ft³)
US construction density. Water = 62.4 lb/ft³.
Origin: Standard in US engineering.
Current use: HVAC, Construction materials, Shipping
Pound per Cubic Yard (lb/yd³)
Lightweight density for loose materials.
Origin: Construction aggregate measurement.
Current use: Gravel, Sand, Landscaping
Pound per Cubic Inch (lb/in³)
Very high density unit for metals.
Origin: Heavy materials.
Current use: Lead, Gold, Dense metals
Pound per US Gallon (lb/US gal)
US liquid density. Water = 8.34 lb/gal.
Origin: Chemical engineering (US).
Current use: Chemical processing, Fuel density, Food industry
Pound per UK Gallon (lb/UK gal)
UK liquid density using imperial gallon.
Origin: British standard.
Current use: UK chemical industry, Beverages, Petroleum
Ounce per Cubic Foot (oz/ft³)
Light material density.
Origin: Foams and light materials.
Current use: Insulation, Foam products, Lightweight materials
Ounce per Cubic Inch (oz/in³)
Moderate density for solids.
Origin: Materials engineering.
Current use: Polymers, Wood products, Plastics
Grain per US Gallon (gr/US gal)
Very small density for water hardness.
Origin: Water hardness measurement.
Current use: Water treatment, Boiler water, Aquarium
Tonne per Cubic Meter (t/m³)
Metric ton per cubic meter. Same as kg/L.
Origin: Heavy materials.
Current use: Mining, Metals processing, Bulk materials
Tonne per Cubic Yard (t/yd³)
Heavy material volume in construction.
Origin: Construction aggregate.
Current use: Concrete, Aggregate, Mining
Short Ton per Cubic Meter (short tn/m³)
US ton per cubic meter for heavy materials.
Origin: Mining industry.
Current use: Mining, Metals, Bulk transport
Slug per Cubic Foot (slug/ft³)
Slug is mass unit in US FPS system. 1 slug = 32.17 lb.
Origin: US engineering system.
Current use: US physics, Aerospace, Ballistics
PSI per 1000 ft (psi/1000 ft)
Formation density for drilling.
Origin: Oil and gas industry.
Current use: Oil drilling, Gas wells, Formation evaluation
Earth Density (ρ⊕)
Earth average density is 5515 kg/m³, about 5.5x water.
Origin: Used in geophysics.
Current use: Geophysics, Planetology, Seismology
Common uses for density conversions
Density conversions are used in chemistry, material selection, fluid mechanics, buoyancy calculations, recipe scaling, shipping, and quality control.
Frequently asked questions about density
How do you convert g/cm³ to kg/m³?+
Multiply by 1,000. For example, 1 g/cm³ equals 1,000 kg/m³.
What is the density of water?+
The density of pure water is about 1 g/cm³, 1 kg/L, or 1,000 kg/m³ at standard conditions.
Which density units does this converter support?+
It supports metric, Imperial, US customary, and specialized density units — over 30 in total.