Molar Mass Calculator — Chemical Formula Online
Calculate molar mass of any chemical compound. Enter a formula like H2O or C6H12O6 and get element breakdown.
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Frequently Asked Questions
How do I write a chemical formula?
Use standard element symbols with numbers as subscripts: H2O, NaCl, C6H12O6. Parentheses are supported: Ca(OH)2.
Which elements are supported?
We include the 20 most common elements in chemistry: H, C, N, O, Na, Cl, K, Ca, Fe, Cu, Zn, S, P, Mg, Al, Si, Br, I, F, Mn.
What is molar mass used for?
Molar mass is essential for stoichiometry calculations — converting between grams and moles in chemical reactions.
Why does the result show a breakdown?
The breakdown shows each element's contribution to the total molar mass, making it easier to verify your formula and understand the composition.