What you provide
What you provide
- Sample mass expressed in g, using the same scenario as the other inputs
- Molar mass expressed in g/mol, using the same scenario as the other inputs
CHEMISTRY / AMOUNT OF SUBSTANCE
Mass to Moles Calculator
Convert a pure-substance mass to amount of substance using molar mass. Inspect the chemical relationship, substituted values, result, assumptions, and unit convention in one guided workspace.
- 01 Calculated in this tab
- 02 Values stay in this browser tab
- 03 Use boundary
Use boundary
Calculation path
Convert a pure-substance mass to amount of substance using molar mass. The page evaluates the displayed equation from your supplied values and presents both symbolic and substituted KaTeX working so the arithmetic can be checked.
Calculation path
n = m/M
What you receive
What you receive
- Amount of substance in mol from the stated equation
- A symbolic formula plus substituted working with your values
- Visible assumptions, field guidance, and an authoritative learning reference
Use boundary
Choose the maximum decimal places shown. This does not increase source accuracy.
The entered molar mass must match the exact chemical formula and material form.
Use internally consistent units and retain extra precision when carrying the result into another calculation.
Reviewed reference factors