Molecular Weight Calculator

Calculate the molecular weight of any chemical compound by entering its formula.

Molar Mass Calculator

Calculate the molar mass of substances and convert between mass and moles.

Concentration Calculator

Calculate concentration in various units (Molarity, Molality, Mass Percent, etc.)

Chemical Reaction Balancer

Balance chemical equations automatically.

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Interactive Periodic Table

Click on any element to see its properties and use it in calculations.

Chemistry Calculation Features

Molecular Weight

Calculate precise molecular weights for any chemical compound with step-by-step breakdown.

Molar Mass

Convert between mass and moles, calculate molar mass, and determine number of molecules.

Concentration

Calculate molarity, molality, mass percentage, and other concentration units.

Reaction Balancing

Automatically balance chemical equations with proper stoichiometric coefficients.

Periodic Table

Interactive periodic table with element properties, atomic weights, and electron configuration.

Stoichiometry

Solve stoichiometric problems, limiting reactants, and yield calculations.