Chemical Equation Balancer
Balance chemical equations instantly using our free online calculator. Get correct stoichiometric coefficients for any reaction. Supports parentheses and polyatomic ions.
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Use "=" or "->" to separate reactants and products. Elements are case sensitive.
Quick Examples
H2 + O2 -> H2O
CH4 + O2 = CO2 + H2O
Fe + O2 -> Fe2O3
H2 + N2 = NH3
AgNO3 + NaCl = AgCl + NaNO3
About Chemical Equation Balancer
Chemical Equation Balancer
Instantly balance chemical equations with our easy-to-use calculator. It identifies the correct stoichiometric coefficients for reactants and products to ensure mass conservation.
How to Use
- Enter an unbalanced chemical equation (e.g., H2 + O2 = H2O)
- Click "Balance"
- View the balanced equation with correct coefficients
Supported Format
- Use "+" to separate molecules
- Use "=" or "->" to separate reactants and products
- Elements are case-sensitive (e.g., Cu is Copper, CU is Carbon + Uranium)
- Parentheses are supported: Ca(OH)2
Examples
- Combustion: CH4 + O2 = CO2 + H2O
- Synthesis: H2 + N2 = NH3
- Double Replacement: AgNO3 + NaCl = AgCl + NaNO3