| firkin | 1 firkin | 2 firkin | 3 firkin | 4 firkin | 5 firkin | 6 firkin | 7 firkin | 8 firkin | 9 firkin | 10 firkin | 11 firkin | 12 firkin | 13 firkin | 14 firkin | 15 firkin | 16 firkin | 17 firkin | 18 firkin | 19 firkin | 20 firkin | 21 firkin | 22 firkin | 23 firkin | 24 firkin | 25 firkin | 26 firkin | 27 firkin | 28 firkin | 29 firkin | 30 firkin | 31 firkin | 32 firkin | 33 firkin | 34 firkin | 35 firkin | 36 firkin | 37 firkin | 38 firkin | 39 firkin | 40 firkin | 41 firkin | 42 firkin | 43 firkin | 44 firkin | 45 firkin | 46 firkin | 47 firkin | 48 firkin | 49 firkin | 50 firkin | 51 firkin | 52 firkin | 53 firkin | 54 firkin | 55 firkin | 56 firkin | 57 firkin | 58 firkin | 59 firkin | 60 firkin | 61 firkin | 62 firkin | 63 firkin | 64 firkin | 65 firkin | 66 firkin | 67 firkin | 68 firkin | 69 firkin | 70 firkin | 71 firkin | 72 firkin | 73 firkin | 74 firkin | 75 firkin | 76 firkin | 77 firkin | 78 firkin | 79 firkin | 80 firkin | 81 firkin | 82 firkin | 83 firkin | 84 firkin | 85 firkin | 86 firkin | 87 firkin | 88 firkin | 89 firkin | 90 firkin | 91 firkin | 92 firkin | 93 firkin | 94 firkin | 95 firkin | 96 firkin | 97 firkin | 98 firkin | 99 firkin | 100 firkin |
| bucket (imperial) | 2.25 bkt | 4.5 bkt | 6.75 bkt | 9 bkt | 11.25 bkt | 13.5 bkt | 15.75 bkt | 18 bkt | 20.25 bkt | 22.5 bkt | 24.75 bkt | 27 bkt | 29.25 bkt | 31.5 bkt | 33.75 bkt | 36 bkt | 38.25 bkt | 40.5 bkt | 42.75 bkt | 45 bkt | 47.25 bkt | 49.5 bkt | 51.75 bkt | 54 bkt | 56.25 bkt | 58.5 bkt | 60.75 bkt | 63 bkt | 65.25 bkt | 67.5 bkt | 69.75 bkt | 72 bkt | 74.25 bkt | 76.5 bkt | 78.75 bkt | 81 bkt | 83.25 bkt | 85.5 bkt | 87.75 bkt | 90 bkt | 92.25 bkt | 94.5 bkt | 96.75 bkt | 99 bkt | 101.25 bkt | 103.5 bkt | 105.75 bkt | 108 bkt | 110.25 bkt | 112.5 bkt | 114.75 bkt | 117 bkt | 119.25 bkt | 121.5 bkt | 123.75 bkt | 126 bkt | 128.25 bkt | 130.5 bkt | 132.75 bkt | 135 bkt | 137.25 bkt | 139.5 bkt | 141.75 bkt | 144 bkt | 146.25 bkt | 148.5 bkt | 150.75 bkt | 153 bkt | 155.25 bkt | 157.5 bkt | 159.75 bkt | 162 bkt | 164.25 bkt | 166.5 bkt | 168.75 bkt | 171 bkt | 173.25 bkt | 175.5 bkt | 177.75 bkt | 180 bkt | 182.25 bkt | 184.5 bkt | 186.75 bkt | 189 bkt | 191.25 bkt | 193.5 bkt | 195.75 bkt | 198 bkt | 200.25 bkt | 202.5 bkt | 204.75 bkt | 207 bkt | 209.25 bkt | 211.5 bkt | 213.75 bkt | 216 bkt | 218.25 bkt | 220.5 bkt | 222.75 bkt | 225 bkt |
The ale or beer firkin (from Middle Dutch vierdekijn meaning "fourth") is a quarter of an ale or beer barrel or half a kilderkin. This unit is much smaller than the wine firkin. Casks in this size (themselves called firkins) are the most common container for cask ale.
| 1 firkins = 2.25 buckets (imperial) | 6 firkins = 13.5 buckets (imperial) |
| 2 firkins = 4.5 buckets (imperial) | 7 firkins = 15.75 buckets (imperial) |
| 3 firkins = 6.75 buckets (imperial) | 8 firkins = 18 buckets (imperial) |
| 4 firkins = 9 buckets (imperial) | 9 firkins = 20.25 buckets (imperial) |
| 5 firkins = 11.25 buckets (imperial) | 10 firkins = 22.5 buckets (imperial) |
The bucket (imperial) is a nunit of volumen using in impoerial system.
| 1 buckets (imperial) = 0.44444444444444 firkins | 6 buckets (imperial) = 2.6666666666667 firkins |
| 2 buckets (imperial) = 0.88888888888889 firkins | 7 buckets (imperial) = 3.1111111111111 firkins |
| 3 buckets (imperial) = 1.3333333333333 firkins | 8 buckets (imperial) = 3.5555555555556 firkins |
| 4 buckets (imperial) = 1.7777777777778 firkins | 9 buckets (imperial) = 4 firkins |
| 5 buckets (imperial) = 2.2222222222222 firkins | 10 buckets (imperial) = 4.4444444444444 firkins |
| 1 firkins = 2.25 buckets (imperial) |
| 1 buckets (imperial) = 0.4444444 firkins |