| 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) |
| kilderkin | 0.0029329 kilderkin | 0.0058658 kilderkin | 0.0087988 kilderkin | 0.0117317 kilderkin | 0.0146646 kilderkin | 0.0175975 kilderkin | 0.0205305 kilderkin | 0.0234634 kilderkin | 0.0263963 kilderkin | 0.0293292 kilderkin | 0.0322622 kilderkin | 0.0351951 kilderkin | 0.0381280 kilderkin | 0.0410609 kilderkin | 0.0439938 kilderkin | 0.0469268 kilderkin | 0.0498597 kilderkin | 0.0527926 kilderkin | 0.0557255 kilderkin | 0.0586585 kilderkin | 0.0615914 kilderkin | 0.0645243 kilderkin | 0.0674572 kilderkin | 0.0703902 kilderkin | 0.0733231 kilderkin | 0.0762560 kilderkin | 0.0791889 kilderkin | 0.0821219 kilderkin | 0.0850548 kilderkin | 0.0879877 kilderkin | 0.0909206 kilderkin | 0.0938535 kilderkin | 0.0967865 kilderkin | 0.0997194 kilderkin | 0.1026523 kilderkin | 0.1055852 kilderkin | 0.1085182 kilderkin | 0.1114511 kilderkin | 0.1143840 kilderkin | 0.1173169 kilderkin | 0.1202499 kilderkin | 0.1231828 kilderkin | 0.1261157 kilderkin | 0.1290486 kilderkin | 0.1319815 kilderkin | 0.1349145 kilderkin | 0.1378474 kilderkin | 0.1407803 kilderkin | 0.1437132 kilderkin | 0.1466462 kilderkin | 0.1495791 kilderkin | 0.1525120 kilderkin | 0.1554449 kilderkin | 0.1583779 kilderkin | 0.1613108 kilderkin | 0.1642437 kilderkin | 0.1671766 kilderkin | 0.1701096 kilderkin | 0.1730425 kilderkin | 0.1759754 kilderkin | 0.1789083 kilderkin | 0.1818412 kilderkin | 0.1847742 kilderkin | 0.1877071 kilderkin | 0.1906400 kilderkin | 0.1935729 kilderkin | 0.1965059 kilderkin | 0.1994388 kilderkin | 0.2023717 kilderkin | 0.2053046 kilderkin | 0.2082376 kilderkin | 0.2111705 kilderkin | 0.2141034 kilderkin | 0.2170363 kilderkin | 0.2199692 kilderkin | 0.2229022 kilderkin | 0.2258351 kilderkin | 0.2287680 kilderkin | 0.2317009 kilderkin | 0.2346339 kilderkin | 0.2375668 kilderkin | 0.2404997 kilderkin | 0.2434326 kilderkin | 0.2463656 kilderkin | 0.2492985 kilderkin | 0.2522314 kilderkin | 0.2551643 kilderkin | 0.2580973 kilderkin | 0.2610302 kilderkin | 0.2639631 kilderkin | 0.2668960 kilderkin | 0.2698289 kilderkin | 0.2727619 kilderkin | 0.2756948 kilderkin | 0.2786277 kilderkin | 0.2815606 kilderkin | 0.2844936 kilderkin | 0.2874265 kilderkin | 0.2903594 kilderkin | 0.2932923 kilderkin |
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 | kilderkins | US legal cups | kilderkins |
|---|---|---|---|
| 1 | = 0.0029329233106545 | 6 | = 0.017597539863927 |
| 2 | = 0.005865846621309 | 7 | = 0.020530463174582 |
| 3 | = 0.0087987699319635 | 8 | = 0.023463386485236 |
| 4 | = 0.011731693242618 | 9 | = 0.026396309795891 |
| 5 | = 0.014664616553273 | 10 | = 0.029329233106545 |
With the adoption of the imperial system the kilderkin was redefined to be 18 imperial gallons, which is exactly 81.82962 litres or approximately 2.890 cubic feet.
| Name of unit | Symbol | Definition | Relation to SI units | Unit System |
|---|---|---|---|---|
| kilderkin | ≡ 18 gal (imp) | = 0.08182962 m3 | Imperial/US |
| kilderkins | US legal cups | kilderkins | US legal cups |
|---|---|---|---|
| 1 | = 340.95675 | 6 | = 2045.7405 |
| 2 | = 681.9135 | 7 | = 2386.69725 |
| 3 | = 1022.87025 | 8 | = 2727.654 |
| 4 | = 1363.827 | 9 | = 3068.61075 |
| 5 | = 1704.78375 | 10 | = 3409.5675 |
| US legal cups | kilderkins |
|---|---|
| 1 | = 0.0029329 |
| 340.95675 | = 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 …) |