Volume of any objects are generally measured in liters and its convertible units. The different measurement of volumes occur in cubic meters, liters, milliliters and nano liters.
The different liters units are easily convertible with each other. Kwame wants to measure the water volume in disposable coffee foam, he must measure it in milliliters. The nanoliters will be very small as it contains 10-9 units and liters will be quite large to measure the water volume. The identical unit must be in milliliters.
They are defined as having a minimum orbital intersection distance with Earth of less than 0.05 astronomical units (19.5 lunar distances) and an absolute magnitude of 22 or brighter.