US liquid gallon | 1 US gal lqd | 2 US gal lqd | 3 US gal lqd | 4 US gal lqd | 5 US gal lqd | 6 US gal lqd | 7 US gal lqd | 8 US gal lqd | 9 US gal lqd | 10 US gal lqd | 11 US gal lqd | 12 US gal lqd | 13 US gal lqd | 14 US gal lqd | 15 US gal lqd | 16 US gal lqd | 17 US gal lqd | 18 US gal lqd | 19 US gal lqd | 20 US gal lqd | 21 US gal lqd | 22 US gal lqd | 23 US gal lqd | 24 US gal lqd | 25 US gal lqd | 26 US gal lqd | 27 US gal lqd | 28 US gal lqd | 29 US gal lqd | 30 US gal lqd | 31 US gal lqd | 32 US gal lqd | 33 US gal lqd | 34 US gal lqd | 35 US gal lqd | 36 US gal lqd | 37 US gal lqd | 38 US gal lqd | 39 US gal lqd | 40 US gal lqd | 41 US gal lqd | 42 US gal lqd | 43 US gal lqd | 44 US gal lqd | 45 US gal lqd | 46 US gal lqd | 47 US gal lqd | 48 US gal lqd | 49 US gal lqd | 50 US gal lqd | 51 US gal lqd | 52 US gal lqd | 53 US gal lqd | 54 US gal lqd | 55 US gal lqd | 56 US gal lqd | 57 US gal lqd | 58 US gal lqd | 59 US gal lqd | 60 US gal lqd | 61 US gal lqd | 62 US gal lqd | 63 US gal lqd | 64 US gal lqd | 65 US gal lqd | 66 US gal lqd | 67 US gal lqd | 68 US gal lqd | 69 US gal lqd | 70 US gal lqd | 71 US gal lqd | 72 US gal lqd | 73 US gal lqd | 74 US gal lqd | 75 US gal lqd | 76 US gal lqd | 77 US gal lqd | 78 US gal lqd | 79 US gal lqd | 80 US gal lqd | 81 US gal lqd | 82 US gal lqd | 83 US gal lqd | 84 US gal lqd | 85 US gal lqd | 86 US gal lqd | 87 US gal lqd | 88 US gal lqd | 89 US gal lqd | 90 US gal lqd | 91 US gal lqd | 92 US gal lqd | 93 US gal lqd | 94 US gal lqd | 95 US gal lqd | 96 US gal lqd | 97 US gal lqd | 98 US gal lqd | 99 US gal lqd | 100 US gal lqd |
drop (imperial) | 38,369.6264277 gtt | 76,739.2528555 gtt | 115,108.8792832 gtt | 153,478.5057110 gtt | 191,848.1321387 gtt | 230,217.7585664 gtt | 268,587.3849942 gtt | 306,957.0114219 gtt | 345,326.6378497 gtt | 383,696.2642774 gtt | 422,065.8907051 gtt | 460,435.5171329 gtt | 498,805.1435606 gtt | 537,174.7699883 gtt | 575,544.3964161 gtt | 613,914.0228438 gtt | 652,283.6492716 gtt | 690,653.2756993 gtt | 729,022.9021270 gtt | 767,392.5285548 gtt | 805,762.1549825 gtt | 844,131.7814102 gtt | 882,501.4078380 gtt | 920,871.0342657 gtt | 959,240.6606935 gtt | 997,610.2871212 gtt | 1,035,979.9135489 gtt | 1,074,349.5399767 gtt | 1,112,719.1664044 gtt | 1,151,088.7928322 gtt | 1,189,458.4192599 gtt | 1,227,828.0456876 gtt | 1,266,197.6721154 gtt | 1,304,567.2985431 gtt | 1,342,936.9249708 gtt | 1,381,306.5513986 gtt | 1,419,676.1778263 gtt | 1,458,045.8042541 gtt | 1,496,415.4306818 gtt | 1,534,785.0571095 gtt | 1,573,154.6835373 gtt | 1,611,524.309965 gtt | 1,649,893.9363928 gtt | 1,688,263.5628205 gtt | 1,726,633.1892482 gtt | 1,765,002.815676 gtt | 1,803,372.4421037 gtt | 1,841,742.0685314 gtt | 1,880,111.6949592 gtt | 1,918,481.3213869 gtt | 1,956,850.9478147 gtt | 1,995,220.5742424 gtt | 2,033,590.2006701 gtt | 2,071,959.8270979 gtt | 2,110,329.4535256 gtt | 2,148,699.0799533 gtt | 2,187,068.7063811 gtt | 2,225,438.3328088 gtt | 2,263,807.9592366 gtt | 2,302,177.5856643 gtt | 2,340,547.212092 gtt | 2,378,916.8385198 gtt | 2,417,286.4649475 gtt | 2,455,656.0913753 gtt | 2,494,025.717803 gtt | 2,532,395.3442307 gtt | 2,570,764.9706585 gtt | 2,609,134.5970862 gtt | 2,647,504.2235139 gtt | 2,685,873.8499417 gtt | 2,724,243.4763694 gtt | 2,762,613.1027972 gtt | 2,800,982.7292249 gtt | 2,839,352.3556526 gtt | 2,877,721.9820804 gtt | 2,916,091.6085081 gtt | 2,954,461.2349359 gtt | 2,992,830.8613636 gtt | 3,031,200.4877913 gtt | 3,069,570.1142191 gtt | 3,107,939.7406468 gtt | 3,146,309.3670745 gtt | 3,184,678.9935023 gtt | 3,223,048.61993 gtt | 3,261,418.2463578 gtt | 3,299,787.8727855 gtt | 3,338,157.4992132 gtt | 3,376,527.125641 gtt | 3,414,896.7520687 gtt | 3,453,266.3784965 gtt | 3,491,636.0049242 gtt | 3,530,005.6313519 gtt | 3,568,375.2577797 gtt | 3,606,744.8842074 gtt | 3,645,114.5106351 gtt | 3,683,484.1370629 gtt | 3,721,853.7634906 gtt | 3,760,223.3899184 gtt | 3,798,593.0163461 gtt | 3,836,962.6427738 gtt |
The US gallon is legally defined as 231 cubic inches, which is exactly 3.785411784 liters. A US liquid gallon of water weighs about 8.34 pounds or 3.78 kilograms at 62 °F (17 °C), making it about 16.6% lighter than the imperial gallon. There are four quarts in a gallon, two pints in a quart and 16 US fluid ounces in a US pint, which makes the US fluid ounce equal to 1⁄128 of a US gallon. In order to overcome the effects of expansion and contraction with temperature when using a gallon to specify a quantity of material for purposes of trade, it is common to define the temperature at which the material will occupy the specified volume. For example, the volume of petroleum products and alcoholic beverages are both referenced to 60 °F (16 °C) in government regulations.
Name of unit | Symbol | Definition | Relation to SI units | Unit System |
---|---|---|---|---|
US liquid gallon | US gal lqd | ≡ 231 cu in | ≡ 3.785411784×10−3 m3 | Imperial/US |
US liquid gallons | drops (imperial) | US liquid gallons | drops (imperial) |
---|---|---|---|
1 | = 38369.626427738 | 6 | = 230217.75856643 |
2 | = 76739.252855477 | 7 | = 268587.38499417 |
3 | = 115108.87928322 | 8 | = 306957.01142191 |
4 | = 153478.50571095 | 9 | = 345326.63784965 |
5 | = 191848.13213869 | 10 | = 383696.26427738 |
The drop is an approximated unit of measure of volume, the amount dispensed as one drop from a dropper or drip chamber. It is often used in giving quantities of liquid drugs to patients, and occasionally in cooking.
Name of unit | Symbol | Definition | Relation to SI units | Unit System |
---|---|---|---|---|
drop (imperial) | gtt | ≡ 1⁄288 fl oz (imp) | = 98.6564670138×10−9 m3 | Imperial/US |
drops (imperial) | US liquid gallons | drops (imperial) | US liquid gallons |
---|---|---|---|
1 | = 2.606228136944E-5 | 6 | = 0.00015637368821664 |
2 | = 5.2124562738879E-5 | 7 | = 0.00018243596958608 |
3 | = 7.8186844108319E-5 | 8 | = 0.00020849825095552 |
4 | = 0.00010424912547776 | 9 | = 0.00023456053232496 |
5 | = 0.0001303114068472 | 10 | = 0.0002606228136944 |
US liquid gallons | drops (imperial) |
---|---|
1 | = 38,369.6264277 |
2.606228136944 × 10-5 | = 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 …) |