Convert Microliter (µL) to Barrel (US) (bbl (US)) instantly.
About these units
Microliter (µL)
A microliter is 10⁻⁶ liters, a standard unit in laboratories worldwide. It is indispensable in pipetting, sample preparation, PCR reactions, enzyme tests, and pharmaceutical formulation. Most laboratory pipettes are designed with microliter precision, and many experiments rely heavily on the ability to dose volumes like 10 µL or 100 µL with high accuracy. Its use outside laboratories includes medical diagnostics, such as blood sampling, allergy testing, and microdose vaccine research. The microliter is an essential unit linking biological processes to controlled experimental conditions.
Barrel (US) (bbl (US))
The US barrel is a unit with multiple definitions depending on the industry, though the most common general-purpose US barrel is 31.5 US gallons, used historically for dry goods, ale, and various agricultural products. In practice, the US barrel arose from traditional cask-making, where wooden barrels of different shapes were used for storage and transport. Because their capacity varied widely, different industries standardized the barrel at different volumes. Over time, manufacturers and commercial sectors adopted specific barrel sizes for consistency. Today, the US barrel appears in brewing, winemaking, certain agricultural commodities, and historical documents describing early American commerce. Its varied legacy makes it a fascinating example of an evolving unit shaped by economic necessity and craftsmanship.