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) |
pipe | 0.0095313 pipe | 0.0190627 pipe | 0.0285940 pipe | 0.0381254 pipe | 0.0476567 pipe | 0.0571881 pipe | 0.0667194 pipe | 0.0762508 pipe | 0.0857821 pipe | 0.0953135 pipe | 0.1048448 pipe | 0.1143762 pipe | 0.1239075 pipe | 0.1334389 pipe | 0.1429702 pipe | 0.1525016 pipe | 0.1620329 pipe | 0.1715643 pipe | 0.1810956 pipe | 0.1906270 pipe | 0.2001583 pipe | 0.2096897 pipe | 0.2192210 pipe | 0.2287524 pipe | 0.2382837 pipe | 0.2478151 pipe | 0.2573464 pipe | 0.2668778 pipe | 0.2764091 pipe | 0.2859405 pipe | 0.2954718 pipe | 0.3050032 pipe | 0.3145345 pipe | 0.3240659 pipe | 0.3335972 pipe | 0.3431286 pipe | 0.3526599 pipe | 0.3621912 pipe | 0.3717226 pipe | 0.3812539 pipe | 0.3907853 pipe | 0.4003166 pipe | 0.4098480 pipe | 0.4193793 pipe | 0.4289107 pipe | 0.4384420 pipe | 0.4479734 pipe | 0.4575047 pipe | 0.4670361 pipe | 0.4765674 pipe | 0.4860988 pipe | 0.4956301 pipe | 0.5051615 pipe | 0.5146928 pipe | 0.5242242 pipe | 0.5337555 pipe | 0.5432869 pipe | 0.5528182 pipe | 0.5623496 pipe | 0.5718809 pipe | 0.5814123 pipe | 0.5909436 pipe | 0.6004750 pipe | 0.6100063 pipe | 0.6195377 pipe | 0.6290690 pipe | 0.6386004 pipe | 0.6481317 pipe | 0.6576631 pipe | 0.6671944 pipe | 0.6767258 pipe | 0.6862571 pipe | 0.6957884 pipe | 0.7053198 pipe | 0.7148511 pipe | 0.7243825 pipe | 0.7339138 pipe | 0.7434452 pipe | 0.7529765 pipe | 0.7625079 pipe | 0.7720392 pipe | 0.7815706 pipe | 0.7911019 pipe | 0.8006333 pipe | 0.8101646 pipe | 0.8196960 pipe | 0.8292273 pipe | 0.8387587 pipe | 0.8482900 pipe | 0.8578214 pipe | 0.8673527 pipe | 0.8768841 pipe | 0.8864154 pipe | 0.8959468 pipe | 0.9054781 pipe | 0.9150095 pipe | 0.9245408 pipe | 0.9340722 pipe | 0.9436035 pipe | 0.9531349 pipe |
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 | pipes | imperial gallons | pipes |
---|---|---|---|
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 pipe 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 butt).
Name of unit | Symbol | Definition | Relation to SI units | Unit System |
---|---|---|---|---|
pipe | ≡ 126 gal (wine) | = 0.476961884784 m3 | Imperial/US |
pipes | imperial gallons | pipes | 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 | pipes |
---|---|
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 …) |