CHEMISTRY TOOLS

Every tool a chemist needs

From molar mass to pH calculations — built for students, researchers, and everyone in between.

Molar Mass Calculator Basic

Molar Mass Calculator

Find the molar mass and average mass of any chemical formula.

Open tool →
Stoichiometry Calculator Intermediate

Stoichiometry Calculator

Calculate reactant and product relationships easily.

Open tool →
Chemical Equation Balancer Intermediate

Chemical Equation Balancer

Automatically balance complex chemical reactions.

Open tool →
pH & pOH Calculator Basic

pH & pOH Calculator

Calculate pH, pOH, and ion concentrations.

Open tool →
Molarity & Dilution Basic

Molarity & Dilution

Compute solution concentrations and dilutions precisely.

Open tool →
Percent Composition Basic

Percent Composition

Determine elemental mass percentages within compounds.

Open tool →
Gibbs Free Energy Advanced

Gibbs Free Energy

Assess reaction spontaneity given enthalpy and entropy.

Open tool →
Ideal Gas Law Intermediate

Ideal Gas Law

Find pressure, volume, temperature, or moles of a gas.

Open tool →
Empirical Formula Finder Intermediate

Empirical Formula Finder

Calculate lowest whole number ratios of elements.

Open tool →
Oxidation State Finder Intermediate

Oxidation State Finder

Identify oxidation numbers of atoms in compounds.

Open tool →