How dense is that in other units?
Convert between kg/m³, g/cm³, kg/L, g/L, lb/ft³, lb/in³, oz/in³ and pounds per gallon.
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Result
1,000 kg/m³
1 gram per cubic centimetre equals 1,000 kilograms per cubic metre
- The other way round: 1 kg/m³ = 0.001 g/cm³.
In all units
- Kilograms per cubic metre
- 1,000 kg/m³
- Grams per cubic centimetre
- 1 g/cm³
- Kilograms per litre
- 1 kg/L
- Grams per litre
- 1,000 g/L
- Pounds per cubic foot
- 62.43 lb/ft³
- Pounds per cubic inch
- 0.03613 lb/in³
- Ounces per cubic inch
- 0.578 oz/in³
- Pounds per US gallon
- 8.345 lb/gal (US)
- Pounds per imperial gallon
- 10.02 lb/gal (UK)
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Convert between kg/m³, g/cm³, kg/L, g/L, lb/ft³, lb/in³, oz/in³ and pounds per gallon.
How to use
- Type the density you want to convert.
- Choose the units to convert from and to. Use the swap button to flip them.
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How it works
Density is mass divided by volume. The SI unit is the kilogram per cubic metre (kg/m³), and every unit here is converted through it. A gram per cubic centimetre is the same as a kilogram per litre, 1,000 kg/m³; a gram per litre is the same as 1 kg/m³.
Imperial units follow from the pound (0.45359237 kg) and the foot, inch and gallon. A pound per cubic foot is 0.45359237 ÷ 0.3048³ ≈ 16.018 kg/m³, so water at about 1,000 kg/m³ is about 62.43 lb/ft³. US and UK gallons differ (3.785 L and 4.546 L), so pounds per gallon do too.
The definitions come from NIST Special Publication 811 and the UK Weights and Measures Act. The converter converts the number you give it; the density of a real material changes with temperature.
Frequently asked questions
What is the density of water?
About 1,000 kg/m³ (1 g/cm³) near 4 °C, a little less when warmer: about 998 kg/m³ at 20 °C.
Is g/cm³ the same as g/mL?
Yes. A millilitre is a cubic centimetre, so 1 g/cm³ = 1 g/mL = 1 kg/L.
How many lb/gal is 1 kg/L?
About 8.345 lb per US gallon, or about 10.02 lb per UK gallon.
Can I convert density directly to mass?
You also need the volume: mass = density × volume. Use matching units, such as kg/m³ and m³ to get kilograms.
Does converting units change the material’s density?
No. Only the numerical expression changes. Temperature or pressure can change a material’s density, but this converter does not model those changes.
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