| US legal cup | 1 c (US Legal) | 2 c (US Legal) | 3 c (US Legal) | 4 c (US Legal) | 5 c (US Legal) | 6 c (US Legal) | 7 c (US Legal) | 8 c (US Legal) | 9 c (US Legal) | 10 c (US Legal) | 11 c (US Legal) | 12 c (US Legal) | 13 c (US Legal) | 14 c (US Legal) | 15 c (US Legal) | 16 c (US Legal) | 17 c (US Legal) | 18 c (US Legal) | 19 c (US Legal) | 20 c (US Legal) | 21 c (US Legal) | 22 c (US Legal) | 23 c (US Legal) | 24 c (US Legal) | 25 c (US Legal) | 26 c (US Legal) | 27 c (US Legal) | 28 c (US Legal) | 29 c (US Legal) | 30 c (US Legal) | 31 c (US Legal) | 32 c (US Legal) | 33 c (US Legal) | 34 c (US Legal) | 35 c (US Legal) | 36 c (US Legal) | 37 c (US Legal) | 38 c (US Legal) | 39 c (US Legal) | 40 c (US Legal) | 41 c (US Legal) | 42 c (US Legal) | 43 c (US Legal) | 44 c (US Legal) | 45 c (US Legal) | 46 c (US Legal) | 47 c (US Legal) | 48 c (US Legal) | 49 c (US Legal) | 50 c (US Legal) | 51 c (US Legal) | 52 c (US Legal) | 53 c (US Legal) | 54 c (US Legal) | 55 c (US Legal) | 56 c (US Legal) | 57 c (US Legal) | 58 c (US Legal) | 59 c (US Legal) | 60 c (US Legal) | 61 c (US Legal) | 62 c (US Legal) | 63 c (US Legal) | 64 c (US Legal) | 65 c (US Legal) | 66 c (US Legal) | 67 c (US Legal) | 68 c (US Legal) | 69 c (US Legal) | 70 c (US Legal) | 71 c (US Legal) | 72 c (US Legal) | 73 c (US Legal) | 74 c (US Legal) | 75 c (US Legal) | 76 c (US Legal) | 77 c (US Legal) | 78 c (US Legal) | 79 c (US Legal) | 80 c (US Legal) | 81 c (US Legal) | 82 c (US Legal) | 83 c (US Legal) | 84 c (US Legal) | 85 c (US Legal) | 86 c (US Legal) | 87 c (US Legal) | 88 c (US Legal) | 89 c (US Legal) | 90 c (US Legal) | 91 c (US Legal) | 92 c (US Legal) | 93 c (US Legal) | 94 c (US Legal) | 95 c (US Legal) | 96 c (US Legal) | 97 c (US Legal) | 98 c (US Legal) | 99 c (US Legal) | 100 c (US Legal) |
| US cup | 1.0144207 c (US) | 2.0288414 c (US) | 3.0432620 c (US) | 4.0576827 c (US) | 5.0721034 c (US) | 6.0865241 c (US) | 7.1009448 c (US) | 8.1153654 c (US) | 9.1297861 c (US) | 10.1442068 c (US) | 11.1586275 c (US) | 12.1730482 c (US) | 13.1874689 c (US) | 14.2018895 c (US) | 15.2163102 c (US) | 16.2307309 c (US) | 17.2451516 c (US) | 18.2595723 c (US) | 19.2739929 c (US) | 20.2884136 c (US) | 21.3028343 c (US) | 22.3172550 c (US) | 23.3316757 c (US) | 24.3460963 c (US) | 25.3605170 c (US) | 26.3749377 c (US) | 27.3893584 c (US) | 28.4037791 c (US) | 29.4181998 c (US) | 30.4326204 c (US) | 31.4470411 c (US) | 32.4614618 c (US) | 33.4758825 c (US) | 34.4903032 c (US) | 35.5047238 c (US) | 36.5191445 c (US) | 37.5335652 c (US) | 38.5479859 c (US) | 39.5624066 c (US) | 40.5768272 c (US) | 41.5912479 c (US) | 42.6056686 c (US) | 43.6200893 c (US) | 44.6345100 c (US) | 45.6489306 c (US) | 46.6633513 c (US) | 47.6777720 c (US) | 48.6921927 c (US) | 49.7066134 c (US) | 50.7210341 c (US) | 51.7354547 c (US) | 52.7498754 c (US) | 53.7642961 c (US) | 54.7787168 c (US) | 55.7931375 c (US) | 56.8075581 c (US) | 57.8219788 c (US) | 58.8363995 c (US) | 59.8508202 c (US) | 60.8652409 c (US) | 61.8796615 c (US) | 62.8940822 c (US) | 63.9085029 c (US) | 64.9229236 c (US) | 65.9373443 c (US) | 66.9517649 c (US) | 67.9661856 c (US) | 68.9806063 c (US) | 69.9950270 c (US) | 71.0094477 c (US) | 72.0238684 c (US) | 73.0382890 c (US) | 74.0527097 c (US) | 75.0671304 c (US) | 76.0815511 c (US) | 77.0959718 c (US) | 78.1103924 c (US) | 79.1248131 c (US) | 80.1392338 c (US) | 81.1536545 c (US) | 82.1680752 c (US) | 83.1824958 c (US) | 84.1969165 c (US) | 85.2113372 c (US) | 86.2257579 c (US) | 87.2401786 c (US) | 88.2545993 c (US) | 89.2690199 c (US) | 90.2834406 c (US) | 91.2978613 c (US) | 92.3122820 c (US) | 93.3267027 c (US) | 94.3411233 c (US) | 95.3555440 c (US) | 96.3699647 c (US) | 97.3843854 c (US) | 98.3988061 c (US) | 99.4132267 c (US) | 100.4276474 c (US) | 101.4420681 c (US) |
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 |
| 1 US legal cups = 1.0144206810553 US cups | 6 US legal cups = 6.0865240863317 US cups |
| 2 US legal cups = 2.0288413621106 US cups | 7 US legal cups = 7.100944767387 US cups |
| 3 US legal cups = 3.0432620431659 US cups | 8 US legal cups = 8.1153654484423 US cups |
| 4 US legal cups = 4.0576827242212 US cups | 9 US legal cups = 9.1297861294976 US cups |
| 5 US legal cups = 5.0721034052764 US cups | 10 US legal cups = 10.144206810553 US cups |
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 |
| 1 US cups = 0.98578431875 US legal cups | 6 US cups = 5.9147059125 US legal cups |
| 2 US cups = 1.9715686375 US legal cups | 7 US cups = 6.90049023125 US legal cups |
| 3 US cups = 2.95735295625 US legal cups | 8 US cups = 7.88627455 US legal cups |
| 4 US cups = 3.943137275 US legal cups | 9 US cups = 8.87205886875 US legal cups |
| 5 US cups = 4.92892159375 US legal cups | 10 US cups = 9.8578431875 US legal cups |
| 1 US legal cups = 1.0144207 US cups |
| 1 US cups = 0.9857843 US legal cups |