What is the Empirical Formula Calculator?
Enter each element with its percentage (or mass in grams). The tool converts to moles, divides by the smallest, and finds the whole-number ratio – the empirical formula. Add the molar mass of the compound to also get the molecular formula.
How to use the Empirical Formula Calculator
- Enter one element per line, like C 40.0.
- Optionally enter the compound molar mass.
- See the mole ratio table and formulas.
Example?
C 40%, H 6.7%, O 53.3% gives CH₂O; with molar mass 180 g/mol the molecular formula is C₆H₁₂O₆ (glucose).
This Empirical Formula Calculator is 100% free, needs no signup and runs privately in your browser – on phone, tablet or computer.
Last updated: · By NodifyTech