A tool to quickly and accurately calculate the molecular weight (molar mass) of chemical compounds given the chemical formula. Able to handle anything from simple to complex compounds with any level of nested complexity, and calculates as you type. Can also change the number of moles and units of mass. Can also display the number of atoms and weight percentage as a toggle option in the application menu. This version is ad supported, if you would like a version with no ads, please check the android market for Molecular Weight Calc for $0.99 USD.