Chemistry
Chemistry calculators for molar mass, moles, concentration, dilution, pH, percent yield and the gas laws, with worked reference values on every page.
Ideal Gas Law Calculator
Solve the ideal gas law for pressure, volume, temperature or amount of substa…
Molar Mass Calculator
Calculate molar mass from any chemical formula, with the contribution of each…
Dilution Calculator
Work out how much stock solution and how much diluent a target concentration …
pH Calculator
Convert hydrogen ion concentration into pH and pOH, with the hydroxide concen…
Moles Calculator
Convert mass into moles and particle count using molar mass.
Percent Yield Calculator
Calculate the percent yield of a reaction from actual and theoretical yields.
Mass Percent Calculator
Calculate mass percent concentration, with the ppm equivalent.
Boyle's Law Calculator
Apply Boyle's law to find the pressure or volume of a gas at constant tempera…
Charles's Law Calculator
Apply Charles's law to find how a gas volume changes with temperature at cons…
Combined Gas Law Calculator
Apply the combined gas law across changes in pressure, volume and temperature.
Half-Life Decay Calculator
Calculate how much of a radioactive sample remains after a given time.
Isoelectric Point Calculator
Calculate the isoelectric point of an amino acid from its pKa values.
About the chemistry
Chemistry calculators for molar mass, moles, concentration, dilution, pH, percent yield and the gas laws, with worked reference values on every page. There are 12 calculators in this category, and each one shows the formula it uses, works instantly as you type, and keeps your figures on your own device.
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