Microliters
Microliters are a unit of volume in the metric system used to measure very small amounts of liquid. One microliter is equal to one millionth of a liter. This tiny unit of measurement is often denoted by the symbol μL. To put it into perspective, a single drop of water is roughly equivalent to about 50 microliters.
US Dry Barrels
A US dry barrel is a unit of volume measurement normally used in the United States for dry goods such as grains, fruits, and vegetables. One US dry barrel is about 115.628 liters or 0.1156 cubic meters.
To convert this unit please visit: US dry barrel conversions.
Note that there are many types of barrel so be sure to choose the correct one for your needs.