Molarity Calculator

Molarity Calculator lets you molarity divides moles of solute by litres of final solution. Enter your own values or load the worked example.

Method and calculation

Molarity divides moles of solute by litres of final solution.

Inputs and settings

Molarity Calculator accepts Solute mass (g) (minimum 0); Molar mass (g/mol) (minimum 0.000001); Solution volume (L) (minimum 0.000001).

Worked example

Molarity Calculator example — Solute mass (g): 5; Molar mass (g/mol): 58.44; Solution volume (L): 1. Computed output: { "moles": 0.08555783709787818, "molesPerLitre": 0.08555783709787818 }

Output and limitations

Molarity Calculator: Use finite inputs. Results use double-precision arithmetic.

Technical references: JavaScript numerical operations

Molarity Calculator FAQs

Molarity Calculator applies the following rule to your input: Molarity divides moles of solute by litres of final solution. The worked example on this page uses the same processor as the result button.
Molarity Calculator has these boundaries: Use finite inputs. Results use double-precision arithmetic. Start by checking the solute mass (g) field against the units or format shown.
Molarity Calculator provides this sample: { "moles": 0.08555783709787818, "molesPerLitre": 0.08555783709787818 }. Use the sample button to reproduce it, then replace the inputs with your own values.