| US cup | 1 c (US) | 2 c (US) | 3 c (US) | 4 c (US) | 5 c (US) | 6 c (US) | 7 c (US) | 8 c (US) | 9 c (US) | 10 c (US) | 11 c (US) | 12 c (US) | 13 c (US) | 14 c (US) | 15 c (US) | 16 c (US) | 17 c (US) | 18 c (US) | 19 c (US) | 20 c (US) | 21 c (US) | 22 c (US) | 23 c (US) | 24 c (US) | 25 c (US) | 26 c (US) | 27 c (US) | 28 c (US) | 29 c (US) | 30 c (US) | 31 c (US) | 32 c (US) | 33 c (US) | 34 c (US) | 35 c (US) | 36 c (US) | 37 c (US) | 38 c (US) | 39 c (US) | 40 c (US) | 41 c (US) | 42 c (US) | 43 c (US) | 44 c (US) | 45 c (US) | 46 c (US) | 47 c (US) | 48 c (US) | 49 c (US) | 50 c (US) | 51 c (US) | 52 c (US) | 53 c (US) | 54 c (US) | 55 c (US) | 56 c (US) | 57 c (US) | 58 c (US) | 59 c (US) | 60 c (US) | 61 c (US) | 62 c (US) | 63 c (US) | 64 c (US) | 65 c (US) | 66 c (US) | 67 c (US) | 68 c (US) | 69 c (US) | 70 c (US) | 71 c (US) | 72 c (US) | 73 c (US) | 74 c (US) | 75 c (US) | 76 c (US) | 77 c (US) | 78 c (US) | 79 c (US) | 80 c (US) | 81 c (US) | 82 c (US) | 83 c (US) | 84 c (US) | 85 c (US) | 86 c (US) | 87 c (US) | 88 c (US) | 89 c (US) | 90 c (US) | 91 c (US) | 92 c (US) | 93 c (US) | 94 c (US) | 95 c (US) | 96 c (US) | 97 c (US) | 98 c (US) | 99 c (US) | 100 c (US) |
| US legal cup | 0.9857843 c (US Legal) | 1.9715686 c (US Legal) | 2.9573530 c (US Legal) | 3.9431373 c (US Legal) | 4.9289216 c (US Legal) | 5.9147059 c (US Legal) | 6.9004902 c (US Legal) | 7.8862746 c (US Legal) | 8.8720589 c (US Legal) | 9.8578432 c (US Legal) | 10.8436275 c (US Legal) | 11.8294118 c (US Legal) | 12.8151961 c (US Legal) | 13.8009805 c (US Legal) | 14.7867648 c (US Legal) | 15.7725491 c (US Legal) | 16.7583334 c (US Legal) | 17.7441177 c (US Legal) | 18.7299021 c (US Legal) | 19.7156864 c (US Legal) | 20.7014707 c (US Legal) | 21.6872550 c (US Legal) | 22.6730393 c (US Legal) | 23.6588237 c (US Legal) | 24.6446080 c (US Legal) | 25.6303923 c (US Legal) | 26.6161766 c (US Legal) | 27.6019609 c (US Legal) | 28.5877452 c (US Legal) | 29.5735296 c (US Legal) | 30.5593139 c (US Legal) | 31.5450982 c (US Legal) | 32.5308825 c (US Legal) | 33.5166668 c (US Legal) | 34.5024512 c (US Legal) | 35.4882355 c (US Legal) | 36.4740198 c (US Legal) | 37.4598041 c (US Legal) | 38.4455884 c (US Legal) | 39.4313728 c (US Legal) | 40.4171571 c (US Legal) | 41.4029414 c (US Legal) | 42.3887257 c (US Legal) | 43.3745100 c (US Legal) | 44.3602943 c (US Legal) | 45.3460787 c (US Legal) | 46.3318630 c (US Legal) | 47.3176473 c (US Legal) | 48.3034316 c (US Legal) | 49.2892159 c (US Legal) | 50.2750003 c (US Legal) | 51.2607846 c (US Legal) | 52.2465689 c (US Legal) | 53.2323532 c (US Legal) | 54.2181375 c (US Legal) | 55.2039219 c (US Legal) | 56.1897062 c (US Legal) | 57.1754905 c (US Legal) | 58.1612748 c (US Legal) | 59.1470591 c (US Legal) | 60.1328434 c (US Legal) | 61.1186278 c (US Legal) | 62.1044121 c (US Legal) | 63.0901964 c (US Legal) | 64.0759807 c (US Legal) | 65.0617650 c (US Legal) | 66.0475494 c (US Legal) | 67.0333337 c (US Legal) | 68.0191180 c (US Legal) | 69.0049023 c (US Legal) | 69.9906866 c (US Legal) | 70.9764710 c (US Legal) | 71.9622553 c (US Legal) | 72.9480396 c (US Legal) | 73.9338239 c (US Legal) | 74.9196082 c (US Legal) | 75.9053925 c (US Legal) | 76.8911769 c (US Legal) | 77.8769612 c (US Legal) | 78.8627455 c (US Legal) | 79.8485298 c (US Legal) | 80.8343141 c (US Legal) | 81.8200985 c (US Legal) | 82.8058828 c (US Legal) | 83.7916671 c (US Legal) | 84.7774514 c (US Legal) | 85.7632357 c (US Legal) | 86.7490201 c (US Legal) | 87.7348044 c (US Legal) | 88.7205887 c (US Legal) | 89.7063730 c (US Legal) | 90.6921573 c (US Legal) | 91.6779416 c (US Legal) | 92.6637260 c (US Legal) | 93.6495103 c (US Legal) | 94.6352946 c (US Legal) | 95.6210789 c (US Legal) | 96.6068632 c (US Legal) | 97.5926476 c (US Legal) | 98.5784319 c (US Legal) |
In the United States, the customary cup is half of a liquid pint.
| 1 U.S. customary cup | = | 1⁄16 | U.S. customary gallon |
| = | 1⁄4 | U.S. customary quart | |
| = | 1⁄2 | U.S. customary pint | |
| = | 8 | U.S. customary fluid ounces | |
| = | 16 | U.S. customary tablespoons | |
| = | 48 | U.S. customary teaspoons | |
| ≡ | 236.5882365 | millilitres exactly | |
| ≈ | 15 2⁄3 | international tablespoons | |
| ≈ | 11.75 | Australian tablespoons | |
| ≈ | 0.833 | imperial cups | |
| ≈ | 8.33 | imperial fluid ounces |
| Name of unit | Symbol | Definition | Relation to SI units | Unit System |
|---|---|---|---|---|
| US cup | c (US) | ≡ 8 US fl oz ≡ 1⁄16 gal (US) | = 236.5882365×10−6 m3 | Imperial/US |
| US cups | US legal cups | US cups | US legal cups |
|---|---|---|---|
| 1 | = 0.98578431875 | 6 | = 5.9147059125 |
| 2 | = 1.9715686375 | 7 | = 6.90049023125 |
| 3 | = 2.95735295625 | 8 | = 7.88627455 |
| 4 | = 3.943137275 | 9 | = 8.87205886875 |
| 5 | = 4.92892159375 | 10 | = 9.8578431875 |
The cup currently used in the United States for nutrition labelling is defined in United States law as 240 ml.
| 1 U.S. "legal" cup | = | 240 | millilitres |
| = | 16 | international tablespoons | |
| = | 12 | Australian tablespoons | |
| ≈ | 8.12 | U.S. customary fluid ounces | |
| ≈ | 8.45 | imperial fluid ounces |
| Name of unit | Symbol | Definition | Relation to SI units | Unit System |
|---|---|---|---|---|
| US legal cup | c (US Legal) | ≡ 240 mL | = 2.4×10−4 m3 | Imperial/US |
| US legal cups | US cups | US legal cups | US cups |
|---|---|---|---|
| 1 | = 1.0144206810553 | 6 | = 6.0865240863317 |
| 2 | = 2.0288413621106 | 7 | = 7.100944767387 |
| 3 | = 3.0432620431659 | 8 | = 8.1153654484423 |
| 4 | = 4.0576827242212 | 9 | = 9.1297861294976 |
| 5 | = 5.0721034052764 | 10 | = 10.144206810553 |
| US cups | US legal cups |
|---|---|
| 1 | = 0.9857843 |
| 1.0144207 | = 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 …) |