US food labelling fluid ounce | 1 US fl oz | 2 US fl oz | 3 US fl oz | 4 US fl oz | 5 US fl oz | 6 US fl oz | 7 US fl oz | 8 US fl oz | 9 US fl oz | 10 US fl oz | 11 US fl oz | 12 US fl oz | 13 US fl oz | 14 US fl oz | 15 US fl oz | 16 US fl oz | 17 US fl oz | 18 US fl oz | 19 US fl oz | 20 US fl oz | 21 US fl oz | 22 US fl oz | 23 US fl oz | 24 US fl oz | 25 US fl oz | 26 US fl oz | 27 US fl oz | 28 US fl oz | 29 US fl oz | 30 US fl oz | 31 US fl oz | 32 US fl oz | 33 US fl oz | 34 US fl oz | 35 US fl oz | 36 US fl oz | 37 US fl oz | 38 US fl oz | 39 US fl oz | 40 US fl oz | 41 US fl oz | 42 US fl oz | 43 US fl oz | 44 US fl oz | 45 US fl oz | 46 US fl oz | 47 US fl oz | 48 US fl oz | 49 US fl oz | 50 US fl oz | 51 US fl oz | 52 US fl oz | 53 US fl oz | 54 US fl oz | 55 US fl oz | 56 US fl oz | 57 US fl oz | 58 US fl oz | 59 US fl oz | 60 US fl oz | 61 US fl oz | 62 US fl oz | 63 US fl oz | 64 US fl oz | 65 US fl oz | 66 US fl oz | 67 US fl oz | 68 US fl oz | 69 US fl oz | 70 US fl oz | 71 US fl oz | 72 US fl oz | 73 US fl oz | 74 US fl oz | 75 US fl oz | 76 US fl oz | 77 US fl oz | 78 US fl oz | 79 US fl oz | 80 US fl oz | 81 US fl oz | 82 US fl oz | 83 US fl oz | 84 US fl oz | 85 US fl oz | 86 US fl oz | 87 US fl oz | 88 US fl oz | 89 US fl oz | 90 US fl oz | 91 US fl oz | 92 US fl oz | 93 US fl oz | 94 US fl oz | 95 US fl oz | 96 US fl oz | 97 US fl oz | 98 US fl oz | 99 US fl oz | 100 US fl oz |
drop (imperial) | 304.0854888 gtt | 608.1709777 gtt | 912.2564665 gtt | 1,216.3419554 gtt | 1,520.4274442 gtt | 1,824.5129331 gtt | 2,128.5984219 gtt | 2,432.6839108 gtt | 2,736.7693996 gtt | 3,040.8548885 gtt | 3,344.9403773 gtt | 3,649.0258662 gtt | 3,953.1113550 gtt | 4,257.1968439 gtt | 4,561.2823327 gtt | 4,865.3678216 gtt | 5,169.4533104 gtt | 5,473.5387993 gtt | 5,777.6242881 gtt | 6,081.7097770 gtt | 6,385.7952658 gtt | 6,689.8807547 gtt | 6,993.9662435 gtt | 7,298.0517324 gtt | 7,602.1372212 gtt | 7,906.2227101 gtt | 8,210.3081989 gtt | 8,514.3936878 gtt | 8,818.4791766 gtt | 9,122.5646655 gtt | 9,426.6501543 gtt | 9,730.7356432 gtt | 10,034.8211320 gtt | 10,338.9066209 gtt | 10,642.9921097 gtt | 10,947.0775986 gtt | 11,251.1630874 gtt | 11,555.2485763 gtt | 11,859.3340651 gtt | 12,163.4195540 gtt | 12,467.5050428 gtt | 12,771.5905317 gtt | 13,075.6760205 gtt | 13,379.7615094 gtt | 13,683.8469982 gtt | 13,987.9324871 gtt | 14,292.0179759 gtt | 14,596.1034647 gtt | 14,900.1889536 gtt | 15,204.2744424 gtt | 15,508.3599313 gtt | 15,812.4454201 gtt | 16,116.5309090 gtt | 16,420.6163978 gtt | 16,724.7018867 gtt | 17,028.7873755 gtt | 17,332.8728644 gtt | 17,636.9583532 gtt | 17,941.0438421 gtt | 18,245.1293309 gtt | 18,549.2148198 gtt | 18,853.3003086 gtt | 19,157.3857975 gtt | 19,461.4712863 gtt | 19,765.5567752 gtt | 20,069.6422640 gtt | 20,373.7277529 gtt | 20,677.8132417 gtt | 20,981.8987306 gtt | 21,285.9842194 gtt | 21,590.0697083 gtt | 21,894.1551971 gtt | 22,198.2406860 gtt | 22,502.3261748 gtt | 22,806.4116637 gtt | 23,110.4971525 gtt | 23,414.5826414 gtt | 23,718.6681302 gtt | 24,022.7536191 gtt | 24,326.8391079 gtt | 24,630.9245968 gtt | 24,935.0100856 gtt | 25,239.0955745 gtt | 25,543.1810633 gtt | 25,847.2665522 gtt | 26,151.3520410 gtt | 26,455.4375299 gtt | 26,759.5230187 gtt | 27,063.6085076 gtt | 27,367.6939964 gtt | 27,671.7794853 gtt | 27,975.8649741 gtt | 28,279.9504630 gtt | 28,584.0359518 gtt | 28,888.1214406 gtt | 29,192.2069295 gtt | 29,496.2924183 gtt | 29,800.3779072 gtt | 30,104.4633960 gtt | 30,408.5488849 gtt |
A fluid ounce (abbreviated fl oz, fl. oz. or oz. fl., old forms ℥, fl ℥, f℥, ƒ ℥) is a unit of volume (also called capacity) typically used for measuring liquids. Various definitions have been used throughout history, but only two are still in common use: the British Imperial and the United States customary fluid ounce. An imperial fluid ounce is 1⁄20 of an imperial pint, 1⁄160 of an imperial gallon or approximately 28.4 ml. A US fluid ounce is 1⁄16 of a US fluid pint and 1⁄128 of a US liquid gallon or approximately 29.57 ml, making it about 4% larger than the imperial fluid ounce.
US food labelling fluid ounce
US regulation 21 CFR 101.9(b)(5)(viii) also defines a fluid ounce as exactly 30 millilitres, but this is for use in nutrition labelling only.
30 millilitres | ≈ | 1.055852392 | imperial fluid ounces |
≈ | 1.014420681 | US customary fluid ounces | |
≈ | 1.830712323 | cubic inches |
Name of unit | Symbol | Definition | Relation to SI units | Unit System |
---|---|---|---|---|
US food labelling fluid ounce | US fl oz | ≡ 30 mL | ≡ 3×10−5 m3 | Imperial/US |
US food labelling fluid ounces | drops (imperial) | US food labelling fluid ounces | drops (imperial) |
---|---|---|---|
1 | = 304.08548884893 | 6 | = 1824.5129330936 |
2 | = 608.17097769787 | 7 | = 2128.5984219425 |
3 | = 912.2564665468 | 8 | = 2432.6839107915 |
4 | = 1216.3419553957 | 9 | = 2736.7693996404 |
5 | = 1520.4274442447 | 10 | = 3040.8548884893 |
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 food labelling fluid ounces | drops (imperial) | US food labelling fluid ounces |
---|---|---|---|
1 | = 0.00328854890046 | 6 | = 0.01973129340276 |
2 | = 0.00657709780092 | 7 | = 0.02301984230322 |
3 | = 0.00986564670138 | 8 | = 0.02630839120368 |
4 | = 0.01315419560184 | 9 | = 0.02959694010414 |
5 | = 0.0164427445023 | 10 | = 0.0328854890046 |
US food labelling fluid ounces | drops (imperial) |
---|---|
1 | = 304.0854888 |
0.0032885 | = 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 …) |