Molarity & Molality
Calculate Molarity & Molality instantly with the exact formula and a worked example. Free online calculator — no signup, works on mobile.
Molarity & Molality
Molaritymol/L
Solution densityg/mL
Molar massg/mol
Molality
1.0621mol/kg
More about: Molarity & Molality
What it calculates
The “Molarity & Molality” calculator computes Molality in mol/kg from 3 parameters: molarity (mol/L), solution density (g/mL), molar mass (g/mol).
A standard physics formula used in educational and engineering tasks.
Example calculation
With parameters Molarity = 1 mol/L, Solution density = 1 g/mL, Molar mass = 58.5 g/mol the result is 1.06 mol/kg.
How to use
- Enter the parameter values — every field above is adjustable with a slider.
- The result and related metrics are calculated automatically as you type.
- Use the additional metrics shown (if any) where needed.
- Copy the result or bookmark the page.