However, if you don’t know the density of the material being measured, the density can be multiplied by the substance’s volume in order to find the weight. Similarly, the material’s weight can be divided by the density to find the volume. Because of the various scientific elements of this type of conversion, it should be understood that density is dependent on temperature as well as the pressure of the material you are measuring.
If you are measuring liquid, you can assume that it will behave similarly to water. However, if you are measuring gasses under normal conditions such as room temperature and atmospheric pressure, it will help you prevent messy errors and use the value densities found in tables.
If you want to convert cubic meter to kilograms as well as other units of measurement quickly and without error, you can make use of the various converters found online which can produce results for you in just a few seconds.