Moles to Grams Table: Mass by Number of moles
Reference table of mass for Moles to Grams across a range of number of moles values — exact, engine-computed figures you can read off at a glance.
Moles to Grams Calculator
Verified formula Updated Jun 2026 Private — runs on your device
Verified formula
Private
Mass
36.000
For general information only — not financial, tax, legal or medical advice. Verify before you rely on it.
How to use the Moles to Grams Calculator
The Moles to Grams Calculator works out your mass in an instant. Enter number of moles and molar mass and the result updates as you type — it is free, needs no sign-up, and runs entirely in your browser so your figures stay private.
- Enter the number of moles.
- Enter the molar mass.
- Read off your mass — the calculator updates automatically, with no button to press.
Formula
The Moles to Grams Calculator uses the formula:
Mass = Number of moles × Molar mass
Worked example
For example, with number of moles of 2 mol and molar mass of 18 g/mol, the mass is 36.000.
| Number of moles | 2 mol |
|---|---|
| Molar mass | 18 g/mol |
| Mass | 36.000 |
|---|
Results are estimates for educational use, not professional advice.
Frequently asked questions
Multiply the moles by the molar mass. 2 moles of water (18 g/mol) weigh 36 grams.
Mass and moles are linked by molar mass. Multiply to go from moles to grams, divide to go the other way.
Yes, through its molar mass. The same number of moles of a heavier substance weighs more in grams.
Use enough decimal places for your needs. Textbook problems often round atomic masses to one or two decimals.
The Moles to Grams Calculator uses the formula: Mass = Number of moles × Molar mass. For example, with number of moles of 2 mol and molar mass of 18 g/mol, the mass is 36.000.
Enter the number of moles. Enter the molar mass. Read off your mass — the calculator updates automatically, with no button to press.
Related guides
How to Calculate Moles to Grams: Formula, Steps & Examples
Learn how to calculate Moles to Grams — the formula explained step by step, with worked examples and a free calculator to check your answer.