To convert firkins to oil barrels, multiply the value by 0.257346. To go the other way, multiply oil barrels by 3.88581 to get firkins.
| Firkins (firkin) | Oil Barrels (bbl (oil)) |
|---|---|
| 1 firkin | 0.257346 bbl (oil) |
| 2 firkin | 0.514693 bbl (oil) |
| 5 firkin | 1.28673 bbl (oil) |
| 10 firkin | 2.57346 bbl (oil) |
| 20 firkin | 5.14693 bbl (oil) |
| 50 firkin | 12.8673 bbl (oil) |
| 100 firkin | 25.7346 bbl (oil) |
| 500 firkin | 128.673 bbl (oil) |
| 1,000 firkin | 257.346 bbl (oil) |
Firkin (firkin). A firkin is 9 imperial gallons (40.91 L), a small cask of ale.
Oil barrel (bbl (oil)). The petroleum barrel is 42 US gallons (158.987 L), the standard unit of oil trading.
There are 0.257346 oil barrels in one firkin.
Multiply the number of firkins by 0.257346. For example, 10 firkins equal 2.57346 oil barrels.
One oil barrel equals 3.88581 firkins.