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 |
canadian cup | 0.1319815 c (CA) | 0.2639631 c (CA) | 0.3959446 c (CA) | 0.5279262 c (CA) | 0.6599077 c (CA) | 0.7918893 c (CA) | 0.9238708 c (CA) | 1.0558524 c (CA) | 1.1878339 c (CA) | 1.3198155 c (CA) | 1.4517970 c (CA) | 1.5837786 c (CA) | 1.7157601 c (CA) | 1.8477417 c (CA) | 1.9797232 c (CA) | 2.1117048 c (CA) | 2.2436863 c (CA) | 2.3756679 c (CA) | 2.5076494 c (CA) | 2.6396310 c (CA) | 2.7716125 c (CA) | 2.9035941 c (CA) | 3.0355756 c (CA) | 3.1675572 c (CA) | 3.2995387 c (CA) | 3.4315203 c (CA) | 3.5635018 c (CA) | 3.6954834 c (CA) | 3.8274649 c (CA) | 3.9594465 c (CA) | 4.0914280 c (CA) | 4.2234096 c (CA) | 4.3553911 c (CA) | 4.4873727 c (CA) | 4.6193542 c (CA) | 4.7513358 c (CA) | 4.8833173 c (CA) | 5.0152989 c (CA) | 5.1472804 c (CA) | 5.2792620 c (CA) | 5.4112435 c (CA) | 5.5432251 c (CA) | 5.6752066 c (CA) | 5.8071882 c (CA) | 5.9391697 c (CA) | 6.0711513 c (CA) | 6.2031328 c (CA) | 6.3351144 c (CA) | 6.4670959 c (CA) | 6.5990774 c (CA) | 6.7310590 c (CA) | 6.8630405 c (CA) | 6.9950221 c (CA) | 7.1270036 c (CA) | 7.2589852 c (CA) | 7.3909667 c (CA) | 7.5229483 c (CA) | 7.6549298 c (CA) | 7.7869114 c (CA) | 7.9188929 c (CA) | 8.0508745 c (CA) | 8.1828560 c (CA) | 8.3148376 c (CA) | 8.4468191 c (CA) | 8.5788007 c (CA) | 8.7107822 c (CA) | 8.8427638 c (CA) | 8.9747453 c (CA) | 9.1067269 c (CA) | 9.2387084 c (CA) | 9.3706900 c (CA) | 9.5026715 c (CA) | 9.6346531 c (CA) | 9.7666346 c (CA) | 9.8986162 c (CA) | 10.0305977 c (CA) | 10.1625793 c (CA) | 10.2945608 c (CA) | 10.4265424 c (CA) | 10.5585239 c (CA) | 10.6905055 c (CA) | 10.8224870 c (CA) | 10.9544686 c (CA) | 11.0864501 c (CA) | 11.2184317 c (CA) | 11.3504132 c (CA) | 11.4823948 c (CA) | 11.6143763 c (CA) | 11.7463579 c (CA) | 11.8783394 c (CA) | 12.0103210 c (CA) | 12.1423025 c (CA) | 12.2742841 c (CA) | 12.4062656 c (CA) | 12.5382472 c (CA) | 12.6702287 c (CA) | 12.8022103 c (CA) | 12.9341918 c (CA) | 13.0661733 c (CA) | 13.1981549 c (CA) |
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 | canadian cups | US food labelling fluid ounces | canadian cups |
---|---|---|---|
1 | = 0.13198154897945 | 6 | = 0.79188929387672 |
2 | = 0.26396309795891 | 7 | = 0.92387084285617 |
3 | = 0.39594464693836 | 8 | = 1.0558523918356 |
4 | = 0.52792619591781 | 9 | = 1.1878339408151 |
5 | = 0.65990774489726 | 10 | = 1.3198154897945 |
Canada now usually employs the metric cup of 250 mL but its conventional cup was somewhat smaller than both American and imperial units.
1 Canadian cup = 8 imperial fluid ounce = 1/20 imperial gallon = 227.3045 millilitres
1 tablespoon = 1/2 imperial fluid ounce
1 teaspoon = 1/6 imperial fluid ounce
Name of unit | Symbol | Definition | Relation to SI units | Unit System |
---|---|---|---|---|
canadian cup | c (CA) | ≡ 10 fl oz (imp) | = 284.130625×10−6 m3 | Imperial/US |
canadian cups | US food labelling fluid ounces | canadian cups | US food labelling fluid ounces |
---|---|---|---|
1 | = 7.5768166666667 | 6 | = 45.4609 |
2 | = 15.153633333333 | 7 | = 53.037716666667 |
3 | = 22.73045 | 8 | = 60.614533333333 |
4 | = 30.307266666667 | 9 | = 68.19135 |
5 | = 37.884083333333 | 10 | = 75.768166666667 |
US food labelling fluid ounces | canadian cups |
---|---|
1 | = 0.1319815 |
7.5768167 | = 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 …) |