Chemistry tools
Calculation tools that show the method, not just the answer.
Use the utilities students reach for while solving formula, mole, and reaction problems.
Molecular Mass Calculator
Parse formulas like H2O, CO2, CaCO3, and C6H12O6 with element-by-element mass breakdowns.
Open toolMole Calculator
Convert between grams, moles, and particles using molar mass and Avogadro's number.
Open toolEquation Balance Checker
Count atoms on each side of a reaction and verify whether it satisfies conservation of mass.
Open tool