Amount of substance units converter
Converts amount of substance from one unit to another e.g. from millimoles (mmol) to number of particles (atoms or molecules depending on substance) or vice versa.

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Inputs data - value and unit, which we're going to convert#

Value
Unit
Decimals

#

SI#

UnitSymbolSymbol
(plain text)
ValueNotes
yottamoleShow sourceYmolYmolYmol1×10-24Derived amount of substance unit in SI system. One yottamole is equal to septylion of moles: 1 Ymol=1024 mol1\ Ymol= 10^{24}\ mol
zettamoleShow sourceZmolZmolZmol1×10-21Derived amount of substance unit in SI system. One zettamole is equal to sextillion of moles: 1 Zmol=1021 mol1\ Zmol= 10^{21}\ mol
examoleShow sourceEmolEmolEmol1×10-18Derived amount of substance unit in SI system. One examole is equal to quintillion of moles: 1 Emol=1018 mol1\ Emol= 10^{18}\ mol
petamoleShow sourcePmolPmolPmol1×10-15Derived amount of substance unit in SI system. One petamole is equal to quadrillion of moles: 1 Pmol=1015 mol1\ Pmol= 10^{15}\ mol
teramoleShow sourceTmolTmolTmol1×10-12Derived amount of substance unit in SI system. One teramole is equal to trillion of moles: 1 Tmol=1012 mol1\ Tmol= 10^{12}\ mol
gigamoleShow sourceGmolGmolGmol1×10-9Derived amount of substance unit in SI system. One gigamole is equal to billion of moles: 1 Gmol=109 mol1\ Gmol= 10^{9}\ mol
megamoleShow sourceMmolMmolMmol0.000001Derived amount of substance unit in SI system. One megamole is equal to million of moles: 1 Mmol=1000000 mol=106 mol1\ Mmol=1000000\ mol= 10^{6}\ mol
kilomoleShow sourcekmolkmolkmol0.001Derived amount of substance unit in SI system. One kilomole is equal to thausand of moles: 1 kmol=1000 mol=103 mol1\ kmol=1000\ mol= 10^{3}\ mol
hektomoleShow sourcehmolhmolhmol0.01Derived amount of substance unit in SI system. One hektomole is equal to hundred of moles: 1 hmol=100 mol=102 mol1\ hmol=100\ mol= 10^{2}\ mol
moleShow sourcemolmolmol1The basic amount of substance unit in the SI system. One mole corresponds to the amount of substance that contains 6.023×10236.023 \times 10^{23} particles (→ see Avogadro's number). Depending on the type of substance, it can be the number of atoms, ions or chemical molecules.1 mol=NA particles=6.023×1023 particles1\ mol = N_A\ \text{particles} = 6.023 \times 10^{23}\ \text{particles} Because definition and properties of the single particle depends on type of substance there is no constant relation between number of moles and mass. It means that, for example, one mole of water has different mass than one mole of atomic helium.
decimoleShow sourcedmoldmoldmol10Derived amount of substance unit in SI system. One decimole is equal to one tenth of mole: 1 dmol=0.1 mol=101 mol1\ dmol=0.1\ mol= 10^{-1}\ mol
centimoleShow sourcecmolcmolcmol100Derived amount of substance unit in SI system. One centimole is equal to one hundredth of mole: 1 cmol=0.01 mol=102 mol1\ cmol=0.01\ mol= 10^{-2}\ mol
milimoleShow sourcemmolmmolmmol1000Derived amount of substance unit in SI system. One milimole is equal to one thousandth of mole: 1 mmol=0.001 mol=103 mol1\ mmol=0.001\ mol= 10^{-3}\ mol
micromoleShow sourceμmol\mu molµmol1000000Derived amount of substance unit in SI system. One micromole is equal to one millionth of mole: 1 μmol=0.000001 mol=106 mol1\ \mu mol=0.000001\ mol= 10^{-6}\ mol
nanomoleShow sourcenmolnmolnmol1000000000Derived amount of substance unit in SI system. One nanomole is equal to one billionth of mole: 1 nmol=109 mol1\ nmol= 10^{-9}\ mol
pikomoleShow sourcepmolpmolpmol1×1012Derived amount of substance unit in SI system. One pikomole is equal to one trillionth of mole: 1 pmol=1012 mol1\ pmol= 10^{-12}\ mol
femtomoleShow sourcefmolfmolfmol1×1015Derived amount of substance unit in SI system. One femtomole is equal to one quadrillionth of mole: 1 fmol=1015 mol1\ fmol= 10^{-15}\ mol
attomoleShow sourceamolamolamol1×1018Derived amount of substance unit in SI system. One attomole is equal to one quintillionth of mole: 1 amol=1018 mol1\ amol= 10^{-18}\ mol
zeptomoleShow sourcezmolzmolzmol1×1021Derived amount of substance unit in SI system. One zeptomole is equal to one sextillionth of mole: 1 zmol=1021 mol1\ zmol= 10^{-21}\ mol
yoctomoleShow sourceymolymolymol1×1024Derived amount of substance unit in SI system. One yoctomole is equal to one septillionth of mole: 1 ymol=1024 mol1\ ymol= 10^{-24}\ mol

other#

UnitSymbolSymbol
(plain text)
ValueNotes
number of particlesShow sourceparticlesparticlesparticles6.02214076×1023Number of particles in the probe. Depending on the type of substance, it can be the number of atoms, ions or chemical molecules. Number of particles equals to Avogadro's number is one mole of substance.NA particles=6.023×1023 particles=1 molN_A\ \text{particles} = 6.023 \times 10^{23}\ \text{particles} = 1\ mol

Some facts#

  • The basic SI unit of amount of substance is one mole.
  • One mole of substance contains the same number of molecules (or atoms in the case of free elements that do create molecules) as 12 grams of carbon isotope 12C.
  • In one mole there is 6,022140857 (74) × 10 23 particles (atoms, molecules, ions, etc.). This number is often called Avogadro number:
    NA=6,022140857(74)×1023N_A = 6,022140857(74) \times 10^{23}
  • One mole of substance may correspond to different mass. For example, one mole of water weighs 18,01528 g, but one mole of carbon dioxide 44,01 g. The mass of one mole of substance is called molar mass and is substance specific. You can read more about molar mass (including molar masses of selected substances) visiting our another calculator: Molar mass.
  • One mole of perfect gas under normal conditions (temperature 273K, pressure 1023 hPa) occupies a volume of 22.42 dm3. You can find more about the volume occupied by various gases in our another calculators: Molar volume of gases and Clapeyron's equation.

How to convert#

  • Enter the number to field "value" - enter the NUMBER only, no other words, symbols or unit names. You can use dot (.) or comma (,) to enter fractions.
    Examples:
    • 1000000
    • 123,23
    • 999.99999
  • Find and select your starting unit in field "unit". Some unit calculators have huge number of different units to select from - it's just how complicated our world is...
  • And... you got the result in the table below. You'll find several results for many different units - we show you all results we know at once. Just find the one you're looking for.

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