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mass density · SI / physical chemistry / materials · Modern standardized
mass density
reference-only
- Record
- M581
- Definition quality
- Exact by definition
- Conversion mode
- reference only
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- Reference only
Definition
Mass density is mass divided by volume; its SI unit is kilogram per cubic metre.
History & use
NIST prefers the term mass density because several other quantities are also called density.
Modern use
Modern use is context-dependent and varies by region or measurement system.
Sources & evidence
Source tier — · confidence high