imperial gallon | 1 gal (imp) | 2 gal (imp) | 3 gal (imp) | 4 gal (imp) | 5 gal (imp) | 6 gal (imp) | 7 gal (imp) | 8 gal (imp) | 9 gal (imp) | 10 gal (imp) | 11 gal (imp) | 12 gal (imp) | 13 gal (imp) | 14 gal (imp) | 15 gal (imp) | 16 gal (imp) | 17 gal (imp) | 18 gal (imp) | 19 gal (imp) | 20 gal (imp) | 21 gal (imp) | 22 gal (imp) | 23 gal (imp) | 24 gal (imp) | 25 gal (imp) | 26 gal (imp) | 27 gal (imp) | 28 gal (imp) | 29 gal (imp) | 30 gal (imp) | 31 gal (imp) | 32 gal (imp) | 33 gal (imp) | 34 gal (imp) | 35 gal (imp) | 36 gal (imp) | 37 gal (imp) | 38 gal (imp) | 39 gal (imp) | 40 gal (imp) | 41 gal (imp) | 42 gal (imp) | 43 gal (imp) | 44 gal (imp) | 45 gal (imp) | 46 gal (imp) | 47 gal (imp) | 48 gal (imp) | 49 gal (imp) | 50 gal (imp) | 51 gal (imp) | 52 gal (imp) | 53 gal (imp) | 54 gal (imp) | 55 gal (imp) | 56 gal (imp) | 57 gal (imp) | 58 gal (imp) | 59 gal (imp) | 60 gal (imp) | 61 gal (imp) | 62 gal (imp) | 63 gal (imp) | 64 gal (imp) | 65 gal (imp) | 66 gal (imp) | 67 gal (imp) | 68 gal (imp) | 69 gal (imp) | 70 gal (imp) | 71 gal (imp) | 72 gal (imp) | 73 gal (imp) | 74 gal (imp) | 75 gal (imp) | 76 gal (imp) | 77 gal (imp) | 78 gal (imp) | 79 gal (imp) | 80 gal (imp) | 81 gal (imp) | 82 gal (imp) | 83 gal (imp) | 84 gal (imp) | 85 gal (imp) | 86 gal (imp) | 87 gal (imp) | 88 gal (imp) | 89 gal (imp) | 90 gal (imp) | 91 gal (imp) | 92 gal (imp) | 93 gal (imp) | 94 gal (imp) | 95 gal (imp) | 96 gal (imp) | 97 gal (imp) | 98 gal (imp) | 99 gal (imp) | 100 gal (imp) |
butt | 0.0095313 butt | 0.0190627 butt | 0.0285940 butt | 0.0381254 butt | 0.0476567 butt | 0.0571881 butt | 0.0667194 butt | 0.0762508 butt | 0.0857821 butt | 0.0953135 butt | 0.1048448 butt | 0.1143762 butt | 0.1239075 butt | 0.1334389 butt | 0.1429702 butt | 0.1525016 butt | 0.1620329 butt | 0.1715643 butt | 0.1810956 butt | 0.1906270 butt | 0.2001583 butt | 0.2096897 butt | 0.2192210 butt | 0.2287524 butt | 0.2382837 butt | 0.2478151 butt | 0.2573464 butt | 0.2668778 butt | 0.2764091 butt | 0.2859405 butt | 0.2954718 butt | 0.3050032 butt | 0.3145345 butt | 0.3240659 butt | 0.3335972 butt | 0.3431286 butt | 0.3526599 butt | 0.3621912 butt | 0.3717226 butt | 0.3812539 butt | 0.3907853 butt | 0.4003166 butt | 0.4098480 butt | 0.4193793 butt | 0.4289107 butt | 0.4384420 butt | 0.4479734 butt | 0.4575047 butt | 0.4670361 butt | 0.4765674 butt | 0.4860988 butt | 0.4956301 butt | 0.5051615 butt | 0.5146928 butt | 0.5242242 butt | 0.5337555 butt | 0.5432869 butt | 0.5528182 butt | 0.5623496 butt | 0.5718809 butt | 0.5814123 butt | 0.5909436 butt | 0.6004750 butt | 0.6100063 butt | 0.6195377 butt | 0.6290690 butt | 0.6386004 butt | 0.6481317 butt | 0.6576631 butt | 0.6671944 butt | 0.6767258 butt | 0.6862571 butt | 0.6957884 butt | 0.7053198 butt | 0.7148511 butt | 0.7243825 butt | 0.7339138 butt | 0.7434452 butt | 0.7529765 butt | 0.7625079 butt | 0.7720392 butt | 0.7815706 butt | 0.7911019 butt | 0.8006333 butt | 0.8101646 butt | 0.8196960 butt | 0.8292273 butt | 0.8387587 butt | 0.8482900 butt | 0.8578214 butt | 0.8673527 butt | 0.8768841 butt | 0.8864154 butt | 0.8959468 butt | 0.9054781 butt | 0.9150095 butt | 0.9245408 butt | 0.9340722 butt | 0.9436035 butt | 0.9531349 butt |
The imperial (UK) gallon, now defined as exactly 4.54609 litres (about 277.42 cubic inches), is used in some Commonwealth countries and was originally based on the volume of 10 pounds (approximately 4.54 kg) of water at 62 °F (17 °C). The imperial fluid ounce is defined as 1⁄160 of an imperial gallon; there are four quarts in a gallon, two pints in a quart, and 20 Imperial fluid ounces in an imperial pint.
Name of unit | Symbol | Definition | Relation to SI units | Unit System |
---|---|---|---|---|
imperial gallon | gal (imp) | ≡ 4.54609 L | ≡ 4.54609×10−3 m3 | Imperial/US |
imperial gallons | butts | imperial gallons | butts |
---|---|---|---|
1 | = 0.0095313486151179 | 6 | = 0.057188091690707 |
2 | = 0.019062697230236 | 7 | = 0.066719440305825 |
3 | = 0.028594045845354 | 8 | = 0.076250788920943 |
4 | = 0.038125394460472 | 9 | = 0.085782137536061 |
5 | = 0.047656743075589 | 10 | = 0.095313486151179 |
The butt was a measure of liquid volume equalling two hogsheads. This equated to 108 imperial gallons (490 l) for ale or 126 imperial gallons (570 l) for wine (also known as a pipe).
Name of unit | Symbol | Definition | Relation to SI units | Unit System |
---|---|---|---|---|
butt | ≡ 126 gal (wine) | = 0.476961884784 m3 | Imperial/US |
butts | imperial gallons | butts | imperial gallons |
---|---|---|---|
1 | = 104.91694726325 | 6 | = 629.50168357952 |
2 | = 209.83389452651 | 7 | = 734.41863084277 |
3 | = 314.75084178976 | 8 | = 839.33557810602 |
4 | = 419.66778905301 | 9 | = 944.25252536927 |
5 | = 524.58473631626 | 10 | = 1049.1694726325 |
imperial gallons | butts |
---|---|
1 | = 0.0095313 |
104.9169473 | = 1 |
Symbol | Definition |
---|---|
≡ | exactly equal |
≈ | approximately equal to |
= | equal to |
digits | indicates that digits repeat infinitely (e.g. 8.294 369 corresponds to 8.294 369 369 369 369 …) |