drop (imperial) | 1 gtt | 2 gtt | 3 gtt | 4 gtt | 5 gtt | 6 gtt | 7 gtt | 8 gtt | 9 gtt | 10 gtt | 11 gtt | 12 gtt | 13 gtt | 14 gtt | 15 gtt | 16 gtt | 17 gtt | 18 gtt | 19 gtt | 20 gtt | 21 gtt | 22 gtt | 23 gtt | 24 gtt | 25 gtt | 26 gtt | 27 gtt | 28 gtt | 29 gtt | 30 gtt | 31 gtt | 32 gtt | 33 gtt | 34 gtt | 35 gtt | 36 gtt | 37 gtt | 38 gtt | 39 gtt | 40 gtt | 41 gtt | 42 gtt | 43 gtt | 44 gtt | 45 gtt | 46 gtt | 47 gtt | 48 gtt | 49 gtt | 50 gtt | 51 gtt | 52 gtt | 53 gtt | 54 gtt | 55 gtt | 56 gtt | 57 gtt | 58 gtt | 59 gtt | 60 gtt | 61 gtt | 62 gtt | 63 gtt | 64 gtt | 65 gtt | 66 gtt | 67 gtt | 68 gtt | 69 gtt | 70 gtt | 71 gtt | 72 gtt | 73 gtt | 74 gtt | 75 gtt | 76 gtt | 77 gtt | 78 gtt | 79 gtt | 80 gtt | 81 gtt | 82 gtt | 83 gtt | 84 gtt | 85 gtt | 86 gtt | 87 gtt | 88 gtt | 89 gtt | 90 gtt | 91 gtt | 92 gtt | 93 gtt | 94 gtt | 95 gtt | 96 gtt | 97 gtt | 98 gtt | 99 gtt | 100 gtt |
imperial gallon | 2.1701388888869 × 10-5 gal (imp) | 4.3402777777739 × 10-5 gal (imp) | 6.5104166666608 × 10-5 gal (imp) | 8.6805555555477 × 10-5 gal (imp) | 0.0001085 gal (imp) | 0.0001302 gal (imp) | 0.0001519 gal (imp) | 0.0001736 gal (imp) | 0.0001953 gal (imp) | 0.0002170 gal (imp) | 0.0002387 gal (imp) | 0.0002604 gal (imp) | 0.0002821 gal (imp) | 0.0003038 gal (imp) | 0.0003255 gal (imp) | 0.0003472 gal (imp) | 0.0003689 gal (imp) | 0.0003906 gal (imp) | 0.0004123 gal (imp) | 0.0004340 gal (imp) | 0.0004557 gal (imp) | 0.0004774 gal (imp) | 0.0004991 gal (imp) | 0.0005208 gal (imp) | 0.0005425 gal (imp) | 0.0005642 gal (imp) | 0.0005859 gal (imp) | 0.0006076 gal (imp) | 0.0006293 gal (imp) | 0.0006510 gal (imp) | 0.0006727 gal (imp) | 0.0006944 gal (imp) | 0.0007161 gal (imp) | 0.0007378 gal (imp) | 0.0007595 gal (imp) | 0.0007812 gal (imp) | 0.0008030 gal (imp) | 0.0008247 gal (imp) | 0.0008464 gal (imp) | 0.0008681 gal (imp) | 0.0008898 gal (imp) | 0.0009115 gal (imp) | 0.0009332 gal (imp) | 0.0009549 gal (imp) | 0.0009766 gal (imp) | 0.0009983 gal (imp) | 0.0010200 gal (imp) | 0.0010417 gal (imp) | 0.0010634 gal (imp) | 0.0010851 gal (imp) | 0.0011068 gal (imp) | 0.0011285 gal (imp) | 0.0011502 gal (imp) | 0.0011719 gal (imp) | 0.0011936 gal (imp) | 0.0012153 gal (imp) | 0.0012370 gal (imp) | 0.0012587 gal (imp) | 0.0012804 gal (imp) | 0.0013021 gal (imp) | 0.0013238 gal (imp) | 0.0013455 gal (imp) | 0.0013672 gal (imp) | 0.0013889 gal (imp) | 0.0014106 gal (imp) | 0.0014323 gal (imp) | 0.0014540 gal (imp) | 0.0014757 gal (imp) | 0.0014974 gal (imp) | 0.0015191 gal (imp) | 0.0015408 gal (imp) | 0.0015625 gal (imp) | 0.0015842 gal (imp) | 0.0016059 gal (imp) | 0.0016276 gal (imp) | 0.0016493 gal (imp) | 0.0016710 gal (imp) | 0.0016927 gal (imp) | 0.0017144 gal (imp) | 0.0017361 gal (imp) | 0.0017578 gal (imp) | 0.0017795 gal (imp) | 0.0018012 gal (imp) | 0.0018229 gal (imp) | 0.0018446 gal (imp) | 0.0018663 gal (imp) | 0.0018880 gal (imp) | 0.0019097 gal (imp) | 0.0019314 gal (imp) | 0.0019531 gal (imp) | 0.0019748 gal (imp) | 0.0019965 gal (imp) | 0.0020182 gal (imp) | 0.0020399 gal (imp) | 0.0020616 gal (imp) | 0.0020833 gal (imp) | 0.0021050 gal (imp) | 0.0021267 gal (imp) | 0.0021484 gal (imp) | 0.0021701 gal (imp) |
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) | imperial gallons | drops (imperial) | imperial gallons |
---|---|---|---|
1 | = 2.1701388888869E-5 | 6 | = 0.00013020833333322 |
2 | = 4.3402777777739E-5 | 7 | = 0.00015190972222209 |
3 | = 6.5104166666608E-5 | 8 | = 0.00017361111111095 |
4 | = 8.6805555555477E-5 | 9 | = 0.00019531249999982 |
5 | = 0.00010850694444435 | 10 | = 0.00021701388888869 |
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 | drops (imperial) | imperial gallons | drops (imperial) |
---|---|---|---|
1 | = 46080.000000042 | 6 | = 276480.00000025 |
2 | = 92160.000000083 | 7 | = 322560.00000029 |
3 | = 138240.00000012 | 8 | = 368640.00000033 |
4 | = 184320.00000017 | 9 | = 414720.00000037 |
5 | = 230400.00000021 | 10 | = 460800.00000042 |
drops (imperial) | imperial gallons |
---|---|
1 | = 2.1701388888869 × 10-5 |
46,080.0000000 | = 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 …) |