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Chemical Calculators

Here you can find several useful calculators concerning chemistry:

  • Atomic Masses converts amount and mass of elements.
  • Molecular Mass calculates the relative mass of a molecule from its chemical formula.
  • Atoms Counter counts the number of atoms of each element in one or more chemical formulas.
  • Molar Mass convert molar mass, the amount of substance in mol and the mass, calculate the amount of particles.
  • Atoms per Mass tells how many atoms are in a certain mass of an element.
  • Mass Ratio is a calculator for the ratio of masses of molecules or atoms.
  • Mass Fraction and Molar Fraction allows these two parts to be converted into each other using the molar mass..
  • Isotopes is a list of every natural and the most important artificial isotopes.
  • Neutron-Proton Ratio calculates the numerical ratio of these two nucleons in an atomic nucleus.
  • Atomic Nucleus Size provides an estimate of the radius, diameter, and volume of an atomic nucleus.
  • Mixing Ratio calculates quantities and percentages of mixtures.
  • pH Dilution enables the calculation of pH values of diluted bases and acids.
  • Ideal Gas Law calculates pressure, volume, amount or temperature of a gas.
  • Gas molecules / V calculates with the Loschmidt constant the number of molecules in an ideal gas per volume.
  • Concentration determines the concentration of a substance in a solvent.
  • Saline Solution finds out how much salt must be added to water to get a certain concentration.
  • Half-life is a calculator for the original and resulting amount of radioactive substances.
  • Heat Capacity tells how much energy is needed to warm up certain substances.
  • Vaporization is a calculator for the enthalpy of vaporization for liquid water.
  • Mix Temperatures gets the temperature of a mix of liquids with different temperatures.
  • Mass Units allows the conversion of u, MeV/c², yoctograms and kilograms.
  • SI Prefixes converts amounts with prefixes like micro and kilo.

Chemistry is the study of atoms and their compounds, the molecules. It developed from alchemy into a science in its own right during the 18th and 19th centuries. Chemistry is closely linked to physics and often uses methods from mathematics, which are also used in these calculators.

Last updated on 03/25/2026.

No responsibility is taken for the correctness of this information.

German: Chemie-Rechner

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Cite this page: Rechneronline (2026) - Chemical Calculators.
Retrieved on 2026-06-07 from https://rechneronline.de/chemie-rechner/chemical-calculators.php


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