| US gallon | 1 gal (US) | 2 gal (US) | 3 gal (US) | 4 gal (US) | 5 gal (US) | 6 gal (US) | 7 gal (US) | 8 gal (US) | 9 gal (US) | 10 gal (US) | 11 gal (US) | 12 gal (US) | 13 gal (US) | 14 gal (US) | 15 gal (US) | 16 gal (US) | 17 gal (US) | 18 gal (US) | 19 gal (US) | 20 gal (US) | 21 gal (US) | 22 gal (US) | 23 gal (US) | 24 gal (US) | 25 gal (US) | 26 gal (US) | 27 gal (US) | 28 gal (US) | 29 gal (US) | 30 gal (US) | 31 gal (US) | 32 gal (US) | 33 gal (US) | 34 gal (US) | 35 gal (US) | 36 gal (US) | 37 gal (US) | 38 gal (US) | 39 gal (US) | 40 gal (US) | 41 gal (US) | 42 gal (US) | 43 gal (US) | 44 gal (US) | 45 gal (US) | 46 gal (US) | 47 gal (US) | 48 gal (US) | 49 gal (US) | 50 gal (US) | 51 gal (US) | 52 gal (US) | 53 gal (US) | 54 gal (US) | 55 gal (US) | 56 gal (US) | 57 gal (US) | 58 gal (US) | 59 gal (US) | 60 gal (US) | 61 gal (US) | 62 gal (US) | 63 gal (US) | 64 gal (US) | 65 gal (US) | 66 gal (US) | 67 gal (US) | 68 gal (US) | 69 gal (US) | 70 gal (US) | 71 gal (US) | 72 gal (US) | 73 gal (US) | 74 gal (US) | 75 gal (US) | 76 gal (US) | 77 gal (US) | 78 gal (US) | 79 gal (US) | 80 gal (US) | 81 gal (US) | 82 gal (US) | 83 gal (US) | 84 gal (US) | 85 gal (US) | 86 gal (US) | 87 gal (US) | 88 gal (US) | 89 gal (US) | 90 gal (US) | 91 gal (US) | 92 gal (US) | 93 gal (US) | 94 gal (US) | 95 gal (US) | 96 gal (US) | 97 gal (US) | 98 gal (US) | 99 gal (US) | 100 gal (US) |
| drop (imperial) | 38,369.6263872 gtt | 76,739.2527744 gtt | 115,108.8791616 gtt | 153,478.5055488 gtt | 191,848.1319360 gtt | 230,217.7583232 gtt | 268,587.3847104 gtt | 306,957.0110976 gtt | 345,326.6374847 gtt | 383,696.2638719 gtt | 422,065.8902591 gtt | 460,435.5166463 gtt | 498,805.1430335 gtt | 537,174.7694207 gtt | 575,544.3958079 gtt | 613,914.0221951 gtt | 652,283.6485823 gtt | 690,653.2749695 gtt | 729,022.9013567 gtt | 767,392.5277439 gtt | 805,762.1541311 gtt | 844,131.7805183 gtt | 882,501.4069055 gtt | 920,871.0332927 gtt | 959,240.6596798 gtt | 997,610.2860670 gtt | 1,035,979.9124542 gtt | 1,074,349.5388414 gtt | 1,112,719.1652286 gtt | 1,151,088.7916158 gtt | 1,189,458.418003 gtt | 1,227,828.0443902 gtt | 1,266,197.6707774 gtt | 1,304,567.2971646 gtt | 1,342,936.9235518 gtt | 1,381,306.549939 gtt | 1,419,676.1763262 gtt | 1,458,045.8027134 gtt | 1,496,415.4291006 gtt | 1,534,785.0554877 gtt | 1,573,154.6818749 gtt | 1,611,524.3082621 gtt | 1,649,893.9346493 gtt | 1,688,263.5610365 gtt | 1,726,633.1874237 gtt | 1,765,002.8138109 gtt | 1,803,372.4401981 gtt | 1,841,742.0665853 gtt | 1,880,111.6929725 gtt | 1,918,481.3193597 gtt | 1,956,850.9457469 gtt | 1,995,220.5721341 gtt | 2,033,590.1985213 gtt | 2,071,959.8249085 gtt | 2,110,329.4512957 gtt | 2,148,699.0776828 gtt | 2,187,068.70407 gtt | 2,225,438.3304572 gtt | 2,263,807.9568444 gtt | 2,302,177.5832316 gtt | 2,340,547.2096188 gtt | 2,378,916.836006 gtt | 2,417,286.4623932 gtt | 2,455,656.0887804 gtt | 2,494,025.7151676 gtt | 2,532,395.3415548 gtt | 2,570,764.967942 gtt | 2,609,134.5943292 gtt | 2,647,504.2207164 gtt | 2,685,873.8471036 gtt | 2,724,243.4734907 gtt | 2,762,613.0998779 gtt | 2,800,982.7262651 gtt | 2,839,352.3526523 gtt | 2,877,721.9790395 gtt | 2,916,091.6054267 gtt | 2,954,461.2318139 gtt | 2,992,830.8582011 gtt | 3,031,200.4845883 gtt | 3,069,570.1109755 gtt | 3,107,939.7373627 gtt | 3,146,309.3637499 gtt | 3,184,678.9901371 gtt | 3,223,048.6165243 gtt | 3,261,418.2429115 gtt | 3,299,787.8692987 gtt | 3,338,157.4956858 gtt | 3,376,527.122073 gtt | 3,414,896.7484602 gtt | 3,453,266.3748474 gtt | 3,491,636.0012346 gtt | 3,530,005.6276218 gtt | 3,568,375.254009 gtt | 3,606,744.8803962 gtt | 3,645,114.5067834 gtt | 3,683,484.1331706 gtt | 3,721,853.7595578 gtt | 3,760,223.385945 gtt | 3,798,593.0123322 gtt | 3,836,962.6387194 gtt |
This dry measure is one-eighth of a US Winchester bushel of 2150.42 cubic inches; it is therefore equal to exactly 268.8025 cubic inches or about 4.405 L. The US dry gallon is not used in commerce, and is not listed in the relevant statute, which jumps from the dry quart to the peck.
| Name of unit | Symbol | Definition | Relation to SI units | Unit System |
|---|---|---|---|---|
| US gallon | gal (US) | ≡ 1⁄8 bu (US lvl) | = 4.40488377086×10−3 m3 | Imperial/US |
| US gallons | drops (imperial) | US gallons | drops (imperial) |
|---|---|---|---|
| 1 | = 38369.626387194 | 6 | = 230217.75832316 |
| 2 | = 76739.252774387 | 7 | = 268587.38471036 |
| 3 | = 115108.87916158 | 8 | = 306957.01109755 |
| 4 | = 153478.50554877 | 9 | = 345326.63748474 |
| 5 | = 191848.13193597 | 10 | = 383696.26387194 |
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 gallons | drops (imperial) | US gallons |
|---|---|---|---|
| 1 | = 2.6062281396979E-5 | 6 | = 0.00015637368838188 |
| 2 | = 5.2124562793958E-5 | 7 | = 0.00018243596977885 |
| 3 | = 7.8186844190938E-5 | 8 | = 0.00020849825117583 |
| 4 | = 0.00010424912558792 | 9 | = 0.00023456053257281 |
| 5 | = 0.0001303114069849 | 10 | = 0.00026062281396979 |
| US gallons | drops (imperial) |
|---|---|
| 1 | = 38,369.6263872 |
| 2.6062281396979 × 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 …) |