| 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) |
| metric cup | 0.96 c | 1.92 c | 2.88 c | 3.84 c | 4.8 c | 5.76 c | 6.72 c | 7.68 c | 8.64 c | 9.6 c | 10.56 c | 11.52 c | 12.48 c | 13.44 c | 14.4 c | 15.36 c | 16.32 c | 17.28 c | 18.24 c | 19.2 c | 20.16 c | 21.12 c | 22.08 c | 23.04 c | 24 c | 24.96 c | 25.92 c | 26.88 c | 27.84 c | 28.8 c | 29.76 c | 30.72 c | 31.68 c | 32.64 c | 33.6 c | 34.56 c | 35.52 c | 36.48 c | 37.44 c | 38.4 c | 39.36 c | 40.32 c | 41.28 c | 42.24 c | 43.2 c | 44.16 c | 45.12 c | 46.08 c | 47.04 c | 48 c | 48.96 c | 49.92 c | 50.88 c | 51.84 c | 52.8 c | 53.76 c | 54.72 c | 55.68 c | 56.64 c | 57.6 c | 58.56 c | 59.52 c | 60.48 c | 61.44 c | 62.4 c | 63.36 c | 64.32 c | 65.28 c | 66.24 c | 67.2 c | 68.16 c | 69.12 c | 70.08 c | 71.04 c | 72 c | 72.96 c | 73.92 c | 74.88 c | 75.84 c | 76.8 c | 77.76 c | 78.72 c | 79.68 c | 80.64 c | 81.6 c | 82.56 c | 83.52 c | 84.48 c | 85.44 c | 86.4 c | 87.36 c | 88.32 c | 89.28 c | 90.24 c | 91.2 c | 92.16 c | 93.12 c | 94.08 c | 95.04 c | 96 c |
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 = 0.96 metric cups | 6 US legal cups = 5.76 metric cups |
| 2 US legal cups = 1.92 metric cups | 7 US legal cups = 6.72 metric cups |
| 3 US legal cups = 2.88 metric cups | 8 US legal cups = 7.68 metric cups |
| 4 US legal cups = 3.84 metric cups | 9 US legal cups = 8.64 metric cups |
| 5 US legal cups = 4.8 metric cups | 10 US legal cups = 9.6 metric cups |
Australia, Canada, New Zealand, and some other members of the Commonwealth of Nations—being former British colonies that have since metricated—employ a "metric cup" of 250 millilitres. Although derived from the metric system, it is not an official metric unit.
| 1 cup | = | 250 | millilitres |
| = | 16 2⁄3 | international tablespoons (15 ml each) | |
| = | 12.5 | Australian tablespoons (20 ml each) | |
| ≈ | 8.80 | imperial fluid ounces | |
| ≈ | 8.45 | U.S. customary fluid ounces |
| 1 metric cups = 1.0416666666667 US legal cups | 6 metric cups = 6.25 US legal cups |
| 2 metric cups = 2.0833333333333 US legal cups | 7 metric cups = 7.2916666666667 US legal cups |
| 3 metric cups = 3.125 US legal cups | 8 metric cups = 8.3333333333333 US legal cups |
| 4 metric cups = 4.1666666666667 US legal cups | 9 metric cups = 9.375 US legal cups |
| 5 metric cups = 5.2083333333333 US legal cups | 10 metric cups = 10.416666666667 US legal cups |
| 1 US legal cups = 0.96 metric cups |
| 1 metric cups = 1.0416667 US legal cups |