Axis

Molar concentration

molarM

Moles per litre expressed as “M”.

Dimension
N/L⁻³
Canonical signature
L^-3*N
System
si accepted
Exactness
Exact

Definition record

How this unit is defined

Canonical base
1 M = 1,000 mol/m³
Conversion type
linear
Historical notes
M as a symbol is easily confused with the mega prefix; mol/L is unambiguous.
Aliases
mol/L as M, molarity

Same dimension

Related units

pHcommonpHmole per litresi acceptedmol/Lmillimole per litresi acceptedmmol/Lmole per cubic metresimol/m³micromole per litresi acceptedµmol/Lmillimolarsi acceptedmMequivalent per litresi acceptedeq/Lmilliequivalent per litresi acceptedmEq/L

Common conversions

Every conversion routes through the canonical base of the dimension.

1 M = 1,000 mol/m³

Exact relationship

10 M = 10,000 mol/m³

Exact relationship