Empirical Formula Calculator

Determine the simplest whole-number atom ratio from element symbols, atomic masses, and sample masses or percentages.

Element 1 symbol Element 1 atomic mass (g/mol) Element 1 mass or percentage Element 2 symbol Element 2 atomic mass (g/mol) Element 2 mass or percentage Element 3 symbol Element 3 atomic mass (g/mol) Element 3 mass or percentage Element 4 symbol Element 4 atomic mass (g/mol) Element 4 mass or percentage

Formula Used

mole ratio = (element mass ÷ atomic mass) ÷ smallest mole amount

Empirical Formula Calculator

Calculation Result

Formula Used