Moles (mol)
The mole is the SI base unit of amount of substance.
Convert moles to any amount of substance unit
1 mole = 1,000 millimoles
Quick facts
- Unit
- Mole (plural: moles)
- Symbol
- mol
- Measures
- Amount of Substance
- System
- SI
- Definition
- Exactly 6.02214076 × 10²³ elementary entities.
1 mole in other units
| Millimoles | 1,000 mmol |
| Kilomoles | 0.001 kmol |
| Micromoles | 1,000,000 µmol |
| Pound-moles | 0.002204622622 lb-mol |
| Nanomoles | 1,000,000,000 nmol |
What is a mole?
The mole is the SI base unit of amount of substance. It lets chemists count atoms and molecules by weighing them: one mole of any substance contains Avogadro's number of particles.
Where the mole sits among amount of substance units
The mole is number 7 of 13 on our scale of amount of substance units, ordered from smallest to largest.
Moles in real life
- 18 g of water is one mole
- 22.4 L of an ideal gas at 0 °C and 1 atm is one mole
- 12 g of carbon-12 is exactly one mole
Top mole conversions
Common amounts of moles
- 0.1 mol
- 0.2 mol
- 0.3 mol
- 0.4 mol
- 0.5 mol
- 0.6 mol
- 0.7 mol
- 0.8 mol
- 0.9 mol
- 1 mol
- 1.5 mol
- 2 mol
- 2.5 mol
- 3 mol
- 3.5 mol
- 4 mol
- 4.5 mol
- 5 mol
- 6 mol
- 7 mol
- 7.5 mol
- 8 mol
- 9 mol
- 10 mol
- 11 mol
- 12 mol
- 13 mol
- 14 mol
- 15 mol
- 16 mol
- 17 mol
- 18 mol
- 19 mol
- 20 mol
- 21 mol
- 22 mol
- 23 mol
- 24 mol
- 25 mol
- 26 mol
- 27 mol
- 28 mol
- 29 mol
- 30 mol
- 31 mol
- 32 mol
- 33 mol
- 34 mol
- 35 mol
- 36 mol
- 37 mol
- 38 mol
- 39 mol
- 40 mol
- 41 mol
- 42 mol
- 43 mol
- 44 mol
- 45 mol
- 46 mol
- 47 mol
- 48 mol
- 49 mol
- 50 mol
- 51 mol
- 52 mol
- 53 mol
- 54 mol
- 55 mol
- 56 mol
- 57 mol
- 58 mol
- 59 mol
- 60 mol
- 61 mol
- 62 mol
- 63 mol
- 64 mol
- 65 mol
- 66 mol
- 67 mol
- 68 mol
- 69 mol
- 70 mol
- 71 mol
- 72 mol
- 73 mol
- 74 mol
- 75 mol
- 76 mol
- 77 mol
- 78 mol
- 79 mol
- 80 mol
- 81 mol
- 82 mol
- 83 mol
- 84 mol
- 85 mol
- 86 mol
- 87 mol
- 88 mol
- 89 mol
- 90 mol
- 91 mol
- 92 mol
- 93 mol
- 94 mol
- 95 mol
- 96 mol
- 97 mol
- 98 mol
- 99 mol
- 100 mol
- 110 mol
- 120 mol
- 130 mol
- 140 mol
- 150 mol
- 160 mol
- 170 mol
- 180 mol
- 190 mol
- 200 mol
- 210 mol
- 220 mol
- 230 mol
- 240 mol
- 250 mol
- 260 mol
- 270 mol
- 280 mol
- 290 mol
- 300 mol
- 310 mol
- 320 mol
- 330 mol
- 340 mol
- 350 mol
- 360 mol
- 370 mol
- 380 mol
- 390 mol
- 400 mol
- 410 mol
- 420 mol
- 430 mol
- 440 mol
- 450 mol
- 460 mol
- 470 mol
- 480 mol
- 490 mol
- 500 mol
- 600 mol
- 700 mol
- 800 mol
- 900 mol
- 1,000 mol
- 1,200 mol
- 1,500 mol
- 2,000 mol
- 2,500 mol
- 3,000 mol
- 4,000 mol
- 5,000 mol
- 10,000 mol
Convert moles to all 12 other units
SI
Engineering
Convert to moles
Frequently asked questions
What is a mole?
The mole is the SI base unit of amount of substance.
How is the mole defined?
Exactly 6.02214076 × 10²³ elementary entities.
How many millimoles are in a mole?
One mole equals 1,000 millimoles.
How many kilomoles are in a mole?
One mole equals 0.001 kilomoles.
How many micromoles are in a mole?
One mole equals 1,000,000 micromoles.