This molar mass calculator calculates the molecular weight of a given input formula. Type the formula in the 'formula' field and hit enter or the submit button to calculate the mass of the input formula.
- Subscripts are not supported and should be replaced by normal numbers.
- Make sure to use the right capatalization for chemical elements: The first letter is always capital and a potential second letter is always lowercase (see examples).
- Parantheses are supported.
- The charge of an ion is not necessary and will return an error when included.
Examples of correct formula notations are: H2O CO2 BaO FeCl2 C6H12O6 Ca(OH)2 (NH4)2CO3