Calculators

Calculates the dilution factor, final volume, initial volume, or final concentration based on the given inputs. Dilution is the process of reducing the concentration of a solute in a solution, usually simply by mixing with more solvent.

Calculates the normality of a solution, which represents the number of equivalents of solute per liter of solution.

Calculates the mole fraction of a substance in a mixture using two different methods: either by providing the number of moles of each substance or by providing the mass of each substance and their respective molar masses.

Converts between moles, mass, and molecular weight.

Calculates the number of molecules in a given number of moles using Avogadro's number.

Calculates the air-fuel ratio (AFR), which represents the mass ratio of air to fuel in an internal combustion engine. This ratio is crucial for efficient combustion and emissions control.

Calculates the shipping weight based on package dimensions (volumetric weight), often used by carriers.

Calculates the relative risk, comparing the probability of an outcome in an exposed group to the probability in an unexposed group.

Calculates total activity volume based on the Metabolic Equivalent of Task (MET) value of activities and duration.

Defines different heart rate zones (e.g., Zone 1-5) based on maximum heart rate for training purposes.