| imperial cup | 1 c (imp) | 2 c (imp) | 3 c (imp) | 4 c (imp) | 5 c (imp) | 6 c (imp) | 7 c (imp) | 8 c (imp) | 9 c (imp) | 10 c (imp) | 11 c (imp) | 12 c (imp) | 13 c (imp) | 14 c (imp) | 15 c (imp) | 16 c (imp) | 17 c (imp) | 18 c (imp) | 19 c (imp) | 20 c (imp) | 21 c (imp) | 22 c (imp) | 23 c (imp) | 24 c (imp) | 25 c (imp) | 26 c (imp) | 27 c (imp) | 28 c (imp) | 29 c (imp) | 30 c (imp) | 31 c (imp) | 32 c (imp) | 33 c (imp) | 34 c (imp) | 35 c (imp) | 36 c (imp) | 37 c (imp) | 38 c (imp) | 39 c (imp) | 40 c (imp) | 41 c (imp) | 42 c (imp) | 43 c (imp) | 44 c (imp) | 45 c (imp) | 46 c (imp) | 47 c (imp) | 48 c (imp) | 49 c (imp) | 50 c (imp) | 51 c (imp) | 52 c (imp) | 53 c (imp) | 54 c (imp) | 55 c (imp) | 56 c (imp) | 57 c (imp) | 58 c (imp) | 59 c (imp) | 60 c (imp) | 61 c (imp) | 62 c (imp) | 63 c (imp) | 64 c (imp) | 65 c (imp) | 66 c (imp) | 67 c (imp) | 68 c (imp) | 69 c (imp) | 70 c (imp) | 71 c (imp) | 72 c (imp) | 73 c (imp) | 74 c (imp) | 75 c (imp) | 76 c (imp) | 77 c (imp) | 78 c (imp) | 79 c (imp) | 80 c (imp) | 81 c (imp) | 82 c (imp) | 83 c (imp) | 84 c (imp) | 85 c (imp) | 86 c (imp) | 87 c (imp) | 88 c (imp) | 89 c (imp) | 90 c (imp) | 91 c (imp) | 92 c (imp) | 93 c (imp) | 94 c (imp) | 95 c (imp) | 96 c (imp) | 97 c (imp) | 98 c (imp) | 99 c (imp) | 100 c (imp) |
| metric cup | 1.1365225 c | 2.273045 c | 3.4095675 c | 4.54609 c | 5.6826125 c | 6.819135 c | 7.9556575 c | 9.09218 c | 10.2287025 c | 11.365225 c | 12.5017475 c | 13.63827 c | 14.7747925 c | 15.911315 c | 17.0478375 c | 18.18436 c | 19.3208825 c | 20.457405 c | 21.5939275 c | 22.73045 c | 23.8669725 c | 25.003495 c | 26.1400175 c | 27.27654 c | 28.4130625 c | 29.549585 c | 30.6861075 c | 31.82263 c | 32.9591525 c | 34.095675 c | 35.2321975 c | 36.36872 c | 37.5052425 c | 38.641765 c | 39.7782875 c | 40.91481 c | 42.0513325 c | 43.187855 c | 44.3243775 c | 45.4609 c | 46.5974225 c | 47.733945 c | 48.8704675 c | 50.00699 c | 51.1435125 c | 52.280035 c | 53.4165575 c | 54.55308 c | 55.6896025 c | 56.826125 c | 57.9626475 c | 59.09917 c | 60.2356925 c | 61.372215 c | 62.5087375 c | 63.64526 c | 64.7817825 c | 65.918305 c | 67.0548275 c | 68.19135 c | 69.3278725 c | 70.464395 c | 71.6009175 c | 72.73744 c | 73.8739625 c | 75.010485 c | 76.1470075 c | 77.28353 c | 78.4200525 c | 79.556575 c | 80.6930975 c | 81.82962 c | 82.9661425 c | 84.102665 c | 85.2391875 c | 86.37571 c | 87.5122325 c | 88.648755 c | 89.7852775 c | 90.9218 c | 92.0583225 c | 93.194845 c | 94.3313675 c | 95.46789 c | 96.6044125 c | 97.740935 c | 98.8774575 c | 100.01398 c | 101.1505025 c | 102.287025 c | 103.4235475 c | 104.56007 c | 105.6965925 c | 106.833115 c | 107.9696375 c | 109.10616 c | 110.2426825 c | 111.379205 c | 112.5157275 c | 113.65225 c |
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 |
| 1 imperial cups = 1.1365225 metric cups | 6 imperial cups = 6.819135 metric cups |
| 2 imperial cups = 2.273045 metric cups | 7 imperial cups = 7.9556575 metric cups |
| 3 imperial cups = 3.4095675 metric cups | 8 imperial cups = 9.09218 metric cups |
| 4 imperial cups = 4.54609 metric cups | 9 imperial cups = 10.2287025 metric cups |
| 5 imperial cups = 5.6826125 metric cups | 10 imperial cups = 11.365225 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 = 0.87987699319635 imperial cups | 6 metric cups = 5.2792619591781 imperial cups |
| 2 metric cups = 1.7597539863927 imperial cups | 7 metric cups = 6.1591389523745 imperial cups |
| 3 metric cups = 2.6396309795891 imperial cups | 8 metric cups = 7.0390159455708 imperial cups |
| 4 metric cups = 3.5195079727854 imperial cups | 9 metric cups = 7.9188929387672 imperial cups |
| 5 metric cups = 4.3993849659818 imperial cups | 10 metric cups = 8.7987699319635 imperial cups |
| 1 imperial cups = 1.1365225 metric cups |
| 1 metric cups = 0.8798770 imperial cups |