Mass-to-Moles and Moles-to-Mass

Solve for the missing third from mass, moles, and molecular weight.

Run the calculator

Example

You enter

You get

Details, formula, and sources

moles = mass / MW; mass = moles * MW. Solve for the missing one.

Stoichiometric identity. First principles.

No code citation required.

Verify protocol against your lab's SOP before pipetting. A miscalculated dilution can ruin a run or a sample.

Field names used by the API: mass_g, moles, molecular_weight

Related tools