Empirical Formula Calculator

Instructions

This program determines both empirical and molecular formulas. Enter the element along with its corresponding percentage. Percentages can be entered as decimals or percentages (i.e. 50% can be entered as .50 or 50%.) To determine the molecular formula, enter the appropriate value for the molecular mass.

Examples

How To Determine Empirical/Molecular Formulas

Read our article on how to determine empirical and molecular formulas.