Knowledge card
Density units are kg m⁻³
The historical kg/m entry is dimensionally incorrect: mass density is mass per volume, [ρ] = M L⁻³, so its SI unit is kg m⁻³.
Dimension I
Definition
What it is — and what it is not
- What it is
- S1Correction and justification — The historical kg/m entry is dimensionally incorrect: mass density is mass per volume, [ρ] = M L⁻³, so its SI unit is kg m⁻³. [1.1]
Dimension II
In practice
How to deal with it
No practical guidance recorded yet.
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