To convert firkins to imperial gallons, multiply the value by 9. To go the other way, multiply imperial gallons by 0.111111 to get firkins.
| Firkins (firkin) | Imperial Gallons (gal-uk) |
|---|---|
| 1 firkin | 9 gal-uk |
| 2 firkin | 18 gal-uk |
| 5 firkin | 45 gal-uk |
| 10 firkin | 90 gal-uk |
| 20 firkin | 180 gal-uk |
| 50 firkin | 450 gal-uk |
| 100 firkin | 900 gal-uk |
| 500 firkin | 4,500 gal-uk |
| 1,000 firkin | 9,000 gal-uk |
Firkin (firkin). A firkin is 9 imperial gallons (40.91 L), a small cask of ale.
Imperial gallon (gal-uk). The imperial gallon is exactly 4.54609 liters, used in the UK and in some Commonwealth countries.
There are 9 imperial gallons in one firkin.
Multiply the number of firkins by 9. For example, 10 firkins equal 90 imperial gallons.
One imperial gallon equals 0.111111 firkins.