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
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
Frequently Asked Questions
Chemical Equation Balancer — Balance chemical equations instantly using our free online calculator. Get correct stoichiometric coefficients for any reaction. Supports parentheses and polyatomic ions.
Open Chemical Equation Balancer in your browser, follow the on-page controls, and get results instantly. No installation is needed.
Yes. It is free to use online with no paid subscription required for core features.
Yes. Open the page in a modern mobile browser. Some hardware tests work best on desktop.
No account is required for basic use. Logging in is optional and used for saving scores or history on some tools.