| 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) |
| imperial cup | 0.8446819 c (imp) | 1.6893638 c (imp) | 2.5340457 c (imp) | 3.3787277 c (imp) | 4.2234096 c (imp) | 5.0680915 c (imp) | 5.9127734 c (imp) | 6.7574553 c (imp) | 7.6021372 c (imp) | 8.4468191 c (imp) | 9.2915010 c (imp) | 10.1361830 c (imp) | 10.9808649 c (imp) | 11.8255468 c (imp) | 12.6702287 c (imp) | 13.5149106 c (imp) | 14.3595925 c (imp) | 15.2042744 c (imp) | 16.0489564 c (imp) | 16.8936383 c (imp) | 17.7383202 c (imp) | 18.5830021 c (imp) | 19.4276840 c (imp) | 20.2723659 c (imp) | 21.1170478 c (imp) | 21.9617298 c (imp) | 22.8064117 c (imp) | 23.6510936 c (imp) | 24.4957755 c (imp) | 25.3404574 c (imp) | 26.1851393 c (imp) | 27.0298212 c (imp) | 27.8745031 c (imp) | 28.7191851 c (imp) | 29.5638670 c (imp) | 30.4085489 c (imp) | 31.2532308 c (imp) | 32.0979127 c (imp) | 32.9425946 c (imp) | 33.7872765 c (imp) | 34.6319585 c (imp) | 35.4766404 c (imp) | 36.3213223 c (imp) | 37.1660042 c (imp) | 38.0106861 c (imp) | 38.8553680 c (imp) | 39.7000499 c (imp) | 40.5447318 c (imp) | 41.3894138 c (imp) | 42.2340957 c (imp) | 43.0787776 c (imp) | 43.9234595 c (imp) | 44.7681414 c (imp) | 45.6128233 c (imp) | 46.4575052 c (imp) | 47.3021872 c (imp) | 48.1468691 c (imp) | 48.9915510 c (imp) | 49.8362329 c (imp) | 50.6809148 c (imp) | 51.5255967 c (imp) | 52.3702786 c (imp) | 53.2149605 c (imp) | 54.0596425 c (imp) | 54.9043244 c (imp) | 55.7490063 c (imp) | 56.5936882 c (imp) | 57.4383701 c (imp) | 58.2830520 c (imp) | 59.1277339 c (imp) | 59.9724159 c (imp) | 60.8170978 c (imp) | 61.6617797 c (imp) | 62.5064616 c (imp) | 63.3511435 c (imp) | 64.1958254 c (imp) | 65.0405073 c (imp) | 65.8851893 c (imp) | 66.7298712 c (imp) | 67.5745531 c (imp) | 68.4192350 c (imp) | 69.2639169 c (imp) | 70.1085988 c (imp) | 70.9532807 c (imp) | 71.7979626 c (imp) | 72.6426446 c (imp) | 73.4873265 c (imp) | 74.3320084 c (imp) | 75.1766903 c (imp) | 76.0213722 c (imp) | 76.8660541 c (imp) | 77.7107360 c (imp) | 78.5554180 c (imp) | 79.4000999 c (imp) | 80.2447818 c (imp) | 81.0894637 c (imp) | 81.9341456 c (imp) | 82.7788275 c (imp) | 83.6235094 c (imp) | 84.4681913 c (imp) |
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 | imperial cups | US legal cups | imperial cups |
|---|---|---|---|
| 1 | = 0.8446819134685 | 6 | = 5.068091480811 |
| 2 | = 1.689363826937 | 7 | = 5.9127733942795 |
| 3 | = 2.5340457404055 | 8 | = 6.757455307748 |
| 4 | = 3.378727653874 | 9 | = 7.6021372212165 |
| 5 | = 4.2234095673425 | 10 | = 8.446819134685 |
The official imperial cup was half an imperial pint or 10 imperial fluid ounces. It is no longer in common use, but appears in older recipe books.
| 1 imperial cup | = | 0.5 | imperial pints |
| = | 2 | imperial gills | |
| = | 10 | imperial fluid ounces | |
| ≈ | 284 | millilitres | |
| ≈ | 19 | international tablespoons | |
| ≈ | 14.25 | Australian tablespoons | |
| ≈ | 1.20 | U.S. customary cups | |
| ≈ | 9.61 | U.S. customary fluid ounces |
| Name of unit | Symbol | Definition | Relation to SI units | Unit System |
|---|---|---|---|---|
| imperial cup | c (imp) | ≡ 10 fl oz (imp) | = 284.130625×10−6 m3 | Imperial/US |
| imperial cups | US legal cups | imperial cups | US legal cups |
|---|---|---|---|
| 1 | = 1.1838776041667 | 6 | = 7.103265625 |
| 2 | = 2.3677552083333 | 7 | = 8.2871432291667 |
| 3 | = 3.5516328125 | 8 | = 9.4710208333333 |
| 4 | = 4.7355104166667 | 9 | = 10.6548984375 |
| 5 | = 5.9193880208333 | 10 | = 11.838776041667 |
| US legal cups | imperial cups |
|---|---|
| 1 | = 0.8446819 |
| 1.1838776 | = 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 …) |