Work out barrel to litre instantly with clear inputs, formula shown and shareable results.
Converting Oil barrels to Litres is a single multiplication: one bbl equals 158.98729493 L, so the amount is multiplied by that factor. Switching the direction divides by the same factor instead. This factor is an exact definition, not a rounded approximation, so the conversion is precise at any scale. The petroleum barrel is 42 US gallons. Other barrels exist — a US beer barrel is 31 US gallons — so always check which barrel is meant.
Oil barrels → Litres
L = bbl × 158.98729493
Litres → Oil barrels
bbl = L ÷ 158.98729493
One bbl is 158.98729493 L. That figure is exact by definition.
Divide by 158.98729493 instead of multiplying — or just switch the direction selector, which does it for you.