Ideal gas law (PV = nRT)
Leave one of pressure (P), volume (V), moles (n) or temperature (T) blank to solve the ideal gas equation.
Open calculatorDensity, mass & volume
ρ = m / V in kilograms (kg), cubic metres (m³) and kg/m³. Fill in exactly two fields.
kg
m³
kg/m³
Density (ρ)
1,000 kg/m³Solved value
Mass (m)
1 kg
Volume (V)
0.001 m³
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Liquid water at room temperature has a density of ~1,000 kg/m³ (1 kg per litre).
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Educational estimate only. Not medical, tax, legal or financial advice.