Enter the molar mass in grams per mole into the calculator to convert it to kilograms per mole. You can also select a common substance for reference, though the conversion factor is the same for any substance.
Quick Overview: g/mol to kg/mol
A molar mass in grams per mole can be converted to kilograms per mole using the relationship:
kg/mol = g/mol ÷ 1000
- 10 g/mol = 0.01 kg/mol
- 18.015 g/mol = 0.018015 kg/mol
- 58.44 g/mol = 0.05844 kg/mol
- 180.16 g/mol = 0.18016 kg/mol
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g/mol to kg Formula
The following formula is used to convert a molar mass from grams per mole to kilograms per mole.
kg/mol = (g/mol) / 1000
Variables:
- kg/mol is the molar mass in kilograms per mole
- g/mol is the molar mass in grams per mole
- 1000 is the number of grams in 1 kilogram
To convert g/mol to kg/mol, divide the molar mass value by 1000. The “per mole” part of the unit remains unchanged during the conversion.
What is g/mol to kg/mol Conversion?
Converting g/mol to kg/mol means expressing the same molar mass using kilograms instead of grams. Since 1 kilogram equals 1000 grams, any molar mass written in g/mol becomes a smaller numerical value when written in kg/mol. This is commonly useful in chemistry and engineering when working with SI base units.
For example, water has a molar mass of 18.015 g/mol. In kilograms per mole, this becomes 0.018015 kg/mol. Sodium chloride has a molar mass of 58.44 g/mol, which is equal to 0.05844 kg/mol.
How to Convert g/mol to kg/mol?
The following steps outline how to convert a molar mass from g/mol to kg/mol.
- First, determine the molar mass in grams per mole (g/mol).
- Next, divide that value by 1000.
- The result is the equivalent molar mass in kilograms per mole (kg/mol).
- After calculating the result, verify your answer using the converter above.
Example Problem:
Use the following values as an example problem to test your knowledge.
Molar Mass = 58.44 g/mol
Converted Molar Mass = 0.05844 kg/mol
g/mol to kg/mol Conversion Table
The table below lists example molar masses in g/mol for several common substances, along with their equivalent values in kg/mol.
| Substance | Molar Mass (g/mol) | Molar Mass (kg/mol) |
|---|---|---|
| Water (H₂O) | 18.015 | 0.018015 |
| Sodium chloride (NaCl) | 58.44 | 0.05844 |
| Glucose (C₆H₁₂O₆) | 180.16 | 0.18016 |
| Ethanol (C₂H₅OH) | 46.07 | 0.04607 |
| Oxygen gas (O₂) | 32.00 | 0.032 |
In many chemistry references, molar masses are listed in g/mol, while SI-based calculations may use kg/mol. Because the conversion only changes the mass unit, the physical meaning of the molar mass stays exactly the same.