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 |
butt | 6.2898107704321 × 10-5 butt | 0.0001258 butt | 0.0001887 butt | 0.0002516 butt | 0.0003145 butt | 0.0003774 butt | 0.0004403 butt | 0.0005032 butt | 0.0005661 butt | 0.0006290 butt | 0.0006919 butt | 0.0007548 butt | 0.0008177 butt | 0.0008806 butt | 0.0009435 butt | 0.0010064 butt | 0.0010693 butt | 0.0011322 butt | 0.0011951 butt | 0.0012580 butt | 0.0013209 butt | 0.0013838 butt | 0.0014467 butt | 0.0015096 butt | 0.0015725 butt | 0.0016354 butt | 0.0016982 butt | 0.0017611 butt | 0.0018240 butt | 0.0018869 butt | 0.0019498 butt | 0.0020127 butt | 0.0020756 butt | 0.0021385 butt | 0.0022014 butt | 0.0022643 butt | 0.0023272 butt | 0.0023901 butt | 0.0024530 butt | 0.0025159 butt | 0.0025788 butt | 0.0026417 butt | 0.0027046 butt | 0.0027675 butt | 0.0028304 butt | 0.0028933 butt | 0.0029562 butt | 0.0030191 butt | 0.0030820 butt | 0.0031449 butt | 0.0032078 butt | 0.0032707 butt | 0.0033336 butt | 0.0033965 butt | 0.0034594 butt | 0.0035223 butt | 0.0035852 butt | 0.0036481 butt | 0.0037110 butt | 0.0037739 butt | 0.0038368 butt | 0.0038997 butt | 0.0039626 butt | 0.0040255 butt | 0.0040884 butt | 0.0041513 butt | 0.0042142 butt | 0.0042771 butt | 0.0043400 butt | 0.0044029 butt | 0.0044658 butt | 0.0045287 butt | 0.0045916 butt | 0.0046545 butt | 0.0047174 butt | 0.0047803 butt | 0.0048432 butt | 0.0049061 butt | 0.0049690 butt | 0.0050318 butt | 0.0050947 butt | 0.0051576 butt | 0.0052205 butt | 0.0052834 butt | 0.0053463 butt | 0.0054092 butt | 0.0054721 butt | 0.0055350 butt | 0.0055979 butt | 0.0056608 butt | 0.0057237 butt | 0.0057866 butt | 0.0058495 butt | 0.0059124 butt | 0.0059753 butt | 0.0060382 butt | 0.0061011 butt | 0.0061640 butt | 0.0062269 butt | 0.0062898 butt |
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 | butts | US food labelling fluid ounces | butts |
---|---|---|---|
1 | = 6.2898107704321E-5 | 6 | = 0.00037738864622593 |
2 | = 0.00012579621540864 | 7 | = 0.00044028675393025 |
3 | = 0.00018869432311296 | 8 | = 0.00050318486163457 |
4 | = 0.00025159243081728 | 9 | = 0.00056608296933889 |
5 | = 0.00031449053852161 | 10 | = 0.00062898107704321 |
The butt 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 pipe).
Name of unit | Symbol | Definition | Relation to SI units | Unit System |
---|---|---|---|---|
butt | ≡ 126 gal (wine) | = 0.476961884784 m3 | Imperial/US |
butts | US food labelling fluid ounces | butts | US food labelling fluid ounces |
---|---|---|---|
1 | = 15898.7294928 | 6 | = 95392.3769568 |
2 | = 31797.4589856 | 7 | = 111291.1064496 |
3 | = 47696.1884784 | 8 | = 127189.8359424 |
4 | = 63594.9179712 | 9 | = 143088.5654352 |
5 | = 79493.647464 | 10 | = 158987.294928 |
US food labelling fluid ounces | butts |
---|---|
1 | = 6.2898107704321 × 10-5 |
15,898.7294928 | = 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 …) |