Please answer and explain clearly thanks!
Generally the units for volume are length cubed. In SI units volume has units of meters cubed (m³). Likewise volume can also be measured in feet cubed (ft³), centimeters cubed (cm³), or inches cubed (in³). There are also direct units for volume such as liters (L) and gallons.
In SI units mass has units of kilograms (kg) and in US Customary units mass is measured in slugs or pound-mass (lbm).
Units For Volume
In physics, the standard unit of volume is Liters and the standard unit for mass is kilograms.