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Chemistry Calculators

Molarity, pH, stoichiometry and chemical formula calculators

13 calculators

Boyle's Law Calculator
Calculate pressure or volume of a gas using Boyle's Law (P₁V₁ = P₂V₂) at constant temperat
👁 8,373
Ideal Gas Law Calculator
Calculate pressure, volume, temperature, or moles using the ideal gas law PV = nRT.
👁 8,239
Stoichiometry Calculator
Calculate moles, mass, or molecules of reactants and products using stoichiometric ratios.
👁 7,501
Molarity Calculator
Calculate the molarity of a solution using moles of solute and volume in liters.
👁 6,397
Molar Mass Calculator
Calculate the molar mass of common chemical elements and look up atomic weights instantly.
👁 5,914
Concentration Calculator
Calculate solution concentration in molarity, mass/volume percent, and parts per million (
👁 5,257
Empirical Formula Calculator
Find the empirical formula of a compound from the percentage composition of its elements.
👁 4,957
Half Life Calculator
Calculate the remaining quantity of a radioactive substance after a given time using half-
👁 3,866
Molarity Dilution Calculator
Calculate the volume or concentration needed to dilute a stock solution using C1V1 = C2V2.
👁 3,710
pH Calculator
Calculate the pH of a solution using the H⁺ ion concentration. Enter the concentration in
👁 3,271
Percent Yield Calculator
Calculate the percent yield of a chemical reaction from the actual yield and theoretical y
👁 260
Buffer Solution pH Calculator
Calculate the pH of a buffer solution using the Henderson-Hasselbalch equation.
👁 40
Redox Reaction Balancer Guide
Calculate the oxidation state of elements in common chemical compounds and ions.
👁 36