Therefore, to convert between liters and kilograms of an ingredient or substance, we must either multiply or divide by its density, depending on which direction we are performing the conversion. In this case, we need to account for the density of the substance whenever we do a conversion.
Since liters are a unit of volume and kilograms are a unit of mass, which are different physical quantities, we need to know one more physical quantity of the ingredient or substance to convert between them. He specializes in math, science, and astrophysics. Ethan has a PhD in astrophysics and is currently a satellite imaging scientist.
