Grams to Moles Calculator
Convert the weight of a chemical substance in grams to moles and back.
Calculation Parameters
Specify your stoichiometry inputs.
Calculated Result
Amount of Substance
Expert Tip
Ensure units are correctly formatted (e.g. Kelvin for gas temperatures and liters for volumes) to get chemically accurate outputs.
How this Calculator Works
This calculator allows you to solve Grams to Moles problems dynamically. Adjust the input parameters using the sliders or selection menu below:
- Mass (g) (Range: 1 to 500, Default: 18.0)
- Molar Mass (g/mol) (Range: 1 to 300, Default: 18.0)
The results are computed instantly and updated in the results panel on the right.
Formula & Methodology
Where:
- Mass: Parameter value.
- Molar Mass: Parameter value.
Step-by-Step Calculation Example
To calculate Grams to Moles manually, follow these steps:
- Identify the input parameters. For example:
- Mass (g) = 18.0
- Molar Mass (g/mol) = 18.0
- Apply the formula:
Moles (n) = Mass (m) / Molar Mass (M)
- Verify the calculated value which is updated instantly in the results panel on the right.
Frequently Asked Questions
What is the formula to convert grams to moles? ▼
Moles (n) = Mass in grams (g) / Molar Mass (g/mol).
Where do you find the molar mass of an element? ▼
Look up the standard atomic weight on the periodic table in grams per mole (g/mol).
How do you convert moles back to grams? ▼
Multiply the number of moles by the molar mass: Mass (g) = Moles (mol) × Molar Mass (g/mol).