| 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) |
| acre-foot | 1.9457116650958 × 10-7 ac ft | 3.8914233301916 × 10-7 ac ft | 5.8371349952874 × 10-7 ac ft | 7.7828466603832 × 10-7 ac ft | 9.728558325479 × 10-7 ac ft | 1.1674269990575 × 10-6 ac ft | 1.3619981655671 × 10-6 ac ft | 1.5565693320766 × 10-6 ac ft | 1.7511404985862 × 10-6 ac ft | 1.9457116650958 × 10-6 ac ft | 2.1402828316054 × 10-6 ac ft | 2.3348539981149 × 10-6 ac ft | 2.5294251646245 × 10-6 ac ft | 2.7239963311341 × 10-6 ac ft | 2.9185674976437 × 10-6 ac ft | 3.1131386641533 × 10-6 ac ft | 3.3077098306628 × 10-6 ac ft | 3.5022809971724 × 10-6 ac ft | 3.696852163682 × 10-6 ac ft | 3.8914233301916 × 10-6 ac ft | 4.0859944967012 × 10-6 ac ft | 4.2805656632107 × 10-6 ac ft | 4.4751368297203 × 10-6 ac ft | 4.6697079962299 × 10-6 ac ft | 4.8642791627395 × 10-6 ac ft | 5.0588503292491 × 10-6 ac ft | 5.2534214957586 × 10-6 ac ft | 5.4479926622682 × 10-6 ac ft | 5.6425638287778 × 10-6 ac ft | 5.8371349952874 × 10-6 ac ft | 6.0317061617969 × 10-6 ac ft | 6.2262773283065 × 10-6 ac ft | 6.4208484948161 × 10-6 ac ft | 6.6154196613257 × 10-6 ac ft | 6.8099908278353 × 10-6 ac ft | 7.0045619943448 × 10-6 ac ft | 7.1991331608544 × 10-6 ac ft | 7.393704327364 × 10-6 ac ft | 7.5882754938736 × 10-6 ac ft | 7.7828466603832 × 10-6 ac ft | 7.9774178268927 × 10-6 ac ft | 8.1719889934023 × 10-6 ac ft | 8.3665601599119 × 10-6 ac ft | 8.5611313264215 × 10-6 ac ft | 8.7557024929311 × 10-6 ac ft | 8.9502736594406 × 10-6 ac ft | 9.1448448259502 × 10-6 ac ft | 9.3394159924598 × 10-6 ac ft | 9.5339871589694 × 10-6 ac ft | 9.728558325479 × 10-6 ac ft | 9.9231294919885 × 10-6 ac ft | 1.0117700658498 × 10-5 ac ft | 1.0312271825008 × 10-5 ac ft | 1.0506842991517 × 10-5 ac ft | 1.0701414158027 × 10-5 ac ft | 1.0895985324536 × 10-5 ac ft | 1.1090556491046 × 10-5 ac ft | 1.1285127657556 × 10-5 ac ft | 1.1479698824065 × 10-5 ac ft | 1.1674269990575 × 10-5 ac ft | 1.1868841157084 × 10-5 ac ft | 1.2063412323594 × 10-5 ac ft | 1.2257983490103 × 10-5 ac ft | 1.2452554656613 × 10-5 ac ft | 1.2647125823123 × 10-5 ac ft | 1.2841696989632 × 10-5 ac ft | 1.3036268156142 × 10-5 ac ft | 1.3230839322651 × 10-5 ac ft | 1.3425410489161 × 10-5 ac ft | 1.3619981655671 × 10-5 ac ft | 1.381455282218 × 10-5 ac ft | 1.400912398869 × 10-5 ac ft | 1.4203695155199 × 10-5 ac ft | 1.4398266321709 × 10-5 ac ft | 1.4592837488218 × 10-5 ac ft | 1.4787408654728 × 10-5 ac ft | 1.4981979821238 × 10-5 ac ft | 1.5176550987747 × 10-5 ac ft | 1.5371122154257 × 10-5 ac ft | 1.5565693320766 × 10-5 ac ft | 1.5760264487276 × 10-5 ac ft | 1.5954835653785 × 10-5 ac ft | 1.6149406820295 × 10-5 ac ft | 1.6343977986805 × 10-5 ac ft | 1.6538549153314 × 10-5 ac ft | 1.6733120319824 × 10-5 ac ft | 1.6927691486333 × 10-5 ac ft | 1.7122262652843 × 10-5 ac ft | 1.7316833819353 × 10-5 ac ft | 1.7511404985862 × 10-5 ac ft | 1.7705976152372 × 10-5 ac ft | 1.7900547318881 × 10-5 ac ft | 1.8095118485391 × 10-5 ac ft | 1.82896896519 × 10-5 ac ft | 1.848426081841 × 10-5 ac ft | 1.867883198492 × 10-5 ac ft | 1.8873403151429 × 10-5 ac ft | 1.9067974317939 × 10-5 ac ft | 1.9262545484448 × 10-5 ac ft | 1.9457116650958 × 10-5 ac ft |
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 | acre-feet | US legal cups | acre-feet |
|---|---|---|---|
| 1 | = 1.9457116650958E-7 | 6 | = 1.1674269990575E-6 |
| 2 | = 3.8914233301916E-7 | 7 | = 1.3619981655671E-6 |
| 3 | = 5.8371349952874E-7 | 8 | = 1.5565693320766E-6 |
| 4 | = 7.7828466603832E-7 | 9 | = 1.7511404985862E-6 |
| 5 | = 9.728558325479E-7 | 10 | = 1.9457116650958E-6 |
The acre-foot is a unit of volume commonly used in the United States in reference to large-scale water resources, such as reservoirs, aqueducts, canals, sewer flow capacity, irrigation water, and river flows.
| Name of unit | Symbol | Definition | Relation to SI units | Unit System |
|---|---|---|---|---|
| acre-foot | ac ft | ≡ 1 ac x 1 ft = 43560 cu ft | = 1233.48183754752 m3 | Imperial/US |
| acre-feet | US legal cups | acre-feet | US legal cups |
|---|---|---|---|
| 1 | = 5139507.656448 | 6 | = 30837045.938688 |
| 2 | = 10279015.312896 | 7 | = 35976553.595136 |
| 3 | = 15418522.969344 | 8 | = 41116061.251584 |
| 4 | = 20558030.625792 | 9 | = 46255568.908032 |
| 5 | = 25697538.28224 | 10 | = 51395076.56448 |
| US legal cups | acre-feet |
|---|---|
| 1 | = 1.9457116650958 × 10-7 |
| 5,139,507.656448 | = 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 …) |