Balance any chemical equation instantly with detailed analysis
Enter a chemical equation and click Balance to find the correct coefficients.
Use standard notation: element symbols with numbers for subscripts (e.g., H2O, Ca(OH)2).
Separate reactants and products with -> or =.
Includes molar mass calculations, stoichiometry tools, and reaction classification.
Example Equations
Recent History
How to Use This Tool
Enter a chemical equation — type reactants and products separated by an arrow (e.g., H2 + O2 -> H2O) or pick from the example equations.
Click Balance — the tool instantly finds the correct coefficients and displays the balanced equation.
Review the details — see atom counts for each side, reaction type classification, and molar masses of all compounds.
Use stoichiometry tools — switch to the Stoichiometry tab to calculate mole, mass, or volume conversions between reactants and products.
Common Use Cases
How do I balance a combustion reaction? Enter the hydrocarbon formula and oxygen, and get balanced coefficients instantly.
What type of reaction is this equation? The tool identifies synthesis, decomposition, single/double replacement, and combustion reactions.
How many grams of product will I get? Use the stoichiometry calculator to convert between moles and grams for any compound in the equation.
What is the molar mass of a compound? View automatically calculated molar masses for every substance in the balanced equation.
How do I check my homework answers? Enter your equation and compare the balanced result with your work, including atom-by-atom verification.