Chemical Equation Balancer

• Free online chemical equation balancer that automatically finds the simplest whole-number coefficients for any reaction equation
• Enter any chemical equation and it instantly computes the balanced equation, the coefficient breakdown, and a verification result

1. Open the tool page — no installation needed
2. Type a chemical equation in the input box, separating reactants and products with an equals sign (=) or arrow (→), e.g. H₂ + O₂ = H₂O. Or click an example to fill it in instantly.
3. Click "Balance" to see the balanced equation, coefficient breakdown, and verification. Use the "Copy" button to copy the balanced equation in one click.

• This tool is completely free and requires no sign-up
• Everything runs locally in your browser — your data never leaves your device

Free online chemical equation balancer. Input any chemical reaction equation and automatically calculate the balancing coefficients. Ideal for chemistry education and research.

Open the tool page — no installation needed Type a chemical equation in the input box, separating reactants and products with an equals sign (=) or arrow (→), e.g. H₂ + O₂ = H₂O. Or click an example to fill it in instantly. Click "Balance" to see the balanced equation, coefficient breakdown, and verification. Use the "Copy" button to copy the balanced equation in one click.

This tool is completely free and requires no sign-up Everything runs locally in your browser — your data never leaves your device

Yes, Chemical Equation Balancer is completely free. No download or installation required — it runs right in your browser.