COGNITO LABS / LEARN

CHEMICAL EQUATION
BALANCER

Balance reactions the easy way

01 / ENTER EQUATION

What would you like to do?

Enter a full equation to balance it, or just reactants to predict products. A trailing = or → is optional. Separate compounds with +.

FORMATTED PREVIEW

Your equation will appear here.

TRY AN EXAMPLE

Advanced options

Balancing mode

Balances only the compounds you enter.

Ions: Fe^3+, SO4^2-, H^+, e^-. Hydrates: CuSO4·5H2O. States: (s), (l), (g), (aq). Existing coefficients are recalculated.

Up to 2,000 characters, 24 compounds and six nested groups. Isotopes, decimal subscripts and variable formulas are not supported.

Ready when you are.

Enter a reaction or try an example.
We’ll check every atom and charge.

✓ Balanced

Conservation totals on each side
Element	Reactants	Products	Verified

Show balancing steps