03 tools · 3 live

Chemistry Calculators

Molarity, molecular weight, stoichiometry, and lab calculators.

Calculate pH, pOH, [H⁺], and [OH⁻] from any one input. Includes a live colour-coded pH scale from 0 (strongly acidic) to 14 (strongly alkaline).

Solve PV = nRT for pressure, volume, moles, or temperature. Supports atm, kPa, mmHg, bar, psi, litres, mL, m³, Kelvin, Celsius, and Fahrenheit.

Balance any chemical equation instantly using the algebraic null-space method, with an atom count verification table.