Kilogram per cubic metre
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Kilogram per cubic metre is the SI measure of density and is represented as kg/m3, where kg stands for kilogram and m3 stands for cubic metre. The density of water is about 1000 kg/m3 (and is exactly this at 277 K), since a cubic metre of water weighs about 1 megagram (metric Tonne).
kg/m3 is sometimes equivalently written as kg m−3.
To convert from g/cm3 to kg/m3, divide by 1,000 for grams to kilograms conversion and multiply by 1003 (there are 100 cm for every 1 meter) for the cm3 to m3 conversion, hence 1 g/cm3 equals 1000 kg/m3.
