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Density vs. Specific Weight vs. Specific Gravity - The ...

The density of water is 1000 kg/m3 at 4 °C (39 °F). The specific weight in SI units is. γ = 1000 [kg/m 3 ] * 9.81 [m/s 2 ] = 9810 [N/m 3 ] = 9.81 [kN/m 3 ].

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