How to convert from kg/m3 (kgf/m3) to kN/m3? 1000 kgf/m3 = 9.80665 kN/m3 (g = 9.80665 m/s2, if rounded 1 kgf/m3 = 1 kg/m3 ≈ 0.01 kN/m3.
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