Convert Oil barrel to Mana (bbl to Mana)

Oil barrel (bbl) and Mana (Mana) are both units of volume. With the conversion form below, you can effortlessly and accurately convert oil barrel to mana. This free online calculator tool makes it simple and easy to perform the conversion from bbl unit to the Mana unit.

Volume is the measurement of the three-dimensional space occupied by a substance, object, or container. The SI derived unit of volume is the cubic meter (m³), while the liter (L)—defined as exactly 1 cubic decimeter (1 dm³ = 0.001 m³)—is the most widely used metric unit for measuring liquids. The milliliter (mL) is equal to exactly 1 cubic centimeter (1 cm³) and is commonly used for beverages, medicines, laboratory samples, and food products.

Different countries and industries use different volume units depending on local standards and applications. In addition to metric units such as the liter, milliliter, and cubic meter, the US and Imperial systems use units including the fluid ounce (fl oz), cup, pint, quart, and gallon. Since the US gallon (3.785411784 L) and the Imperial gallon (4.54609 L) are different units, accurate conversion is essential for cooking, engineering, manufacturing, scientific research, trade, and international product labeling. Learn more in our complete guide to Volume.

Oil barrel (symbol: bbl) is a standard unit of volume used in the petroleum industry to measure crude oil and other liquid petroleum products. One oil barrel is exactly equal to 42 US gallons, approximately 158.987294928 liters, or 0.158987294928 cubic meters. Although it is not an SI unit, the oil barrel remains the internationally recognized standard for petroleum measurement.

Oil barrels are widely used in oil exploration, production, refining, storage, transportation, and international energy trading. Daily crude oil production, refinery capacity, strategic petroleum reserves, and global oil prices are commonly reported in barrels. This converter follows the internationally accepted petroleum standard of 1 oil barrel = 42 US gallons = 158.987294928 liters, ensuring accurate and reliable conversion between oil barrels and other volume units.

A mana is a traditional unit of volume used in Nepal and parts of South Asia for measuring grains, rice, seeds, and agricultural products in rural communities and traditional commodity trade. Equal to approximately 0.568245 liters or 568245 milliliters. The unit developed from practical hand-based measurement—farmers could understand and verify quantities using body-relative measures. Although Nepal officially adopted the metric system in 1968, manas remain active in rural agriculture, village markets, seed-saving networks, and traditional commerce. The mana appears in historical agricultural records, cooperative documentation in rural areas, and family farming practices passed through generations.

For this converter, the Mana conversion is based on the traditional Nepalese customary measurement system, where 8 Mana = 1 Pathi = 4.54596 liters. Therefore, 1 Mana = 0.568245 liters. Source: Wikipedia – Nepalese Customary Units of Measurement.