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Formula
Density = Mass ÷ Volume
Example
50kg ÷ 0.02m³ = 2500 kg/m³ (about concrete density)
Frequently Asked Questions
Density of water?
1000 kg/m³ = 1 g/cm³ at 4°C.
Why does ice float?
Ice is less dense than liquid water (~917 kg/m³ vs 1000 kg/m³).
What is specific gravity?
Ratio of density to water. Steel ~7.8, aluminium ~2.7.