Chemistry
Instant, private, and free
Molar Ratio Calculator.
Calculate a two-component molar ratio and normalized fractions.
On-device calculationNo signup
01
Set your values
Results update as you type.
02 / ANSWER
A:B ratio: 2
Fraction A: 0.666667
Fraction B: 0.333333
Educational arithmetic only. Keep units consistent and use measured or explicitly supplied chemistry inputs; this tool does not infer reaction pathways, property tables, or safety guidance.
FAQs
How does the molar ratio calculator work?
Calculate a two-component molar ratio and normalized fractions.