| 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-inch | 2.3348539981149 × 10-6 ac in | 4.6697079962299 × 10-6 ac in | 7.0045619943448 × 10-6 ac in | 9.3394159924598 × 10-6 ac in | 1.1674269990575 × 10-5 ac in | 1.400912398869 × 10-5 ac in | 1.6343977986805 × 10-5 ac in | 1.867883198492 × 10-5 ac in | 2.1013685983035 × 10-5 ac in | 2.3348539981149 × 10-5 ac in | 2.5683393979264 × 10-5 ac in | 2.8018247977379 × 10-5 ac in | 3.0353101975494 × 10-5 ac in | 3.2687955973609 × 10-5 ac in | 3.5022809971724 × 10-5 ac in | 3.7357663969839 × 10-5 ac in | 3.9692517967954 × 10-5 ac in | 4.2027371966069 × 10-5 ac in | 4.4362225964184 × 10-5 ac in | 4.6697079962299 × 10-5 ac in | 4.9031933960414 × 10-5 ac in | 5.1366787958529 × 10-5 ac in | 5.3701641956644 × 10-5 ac in | 5.6036495954759 × 10-5 ac in | 5.8371349952874 × 10-5 ac in | 6.0706203950989 × 10-5 ac in | 6.3041057949104 × 10-5 ac in | 6.5375911947219 × 10-5 ac in | 6.7710765945333 × 10-5 ac in | 7.0045619943448 × 10-5 ac in | 7.2380473941563 × 10-5 ac in | 7.4715327939678 × 10-5 ac in | 7.7050181937793 × 10-5 ac in | 7.9385035935908 × 10-5 ac in | 8.1719889934023 × 10-5 ac in | 8.4054743932138 × 10-5 ac in | 8.6389597930253 × 10-5 ac in | 8.8724451928368 × 10-5 ac in | 9.1059305926483 × 10-5 ac in | 9.3394159924598 × 10-5 ac in | 9.5729013922713 × 10-5 ac in | 9.8063867920828 × 10-5 ac in | 0.0001004 ac in | 0.0001027 ac in | 0.0001051 ac in | 0.0001074 ac in | 0.0001097 ac in | 0.0001121 ac in | 0.0001144 ac in | 0.0001167 ac in | 0.0001191 ac in | 0.0001214 ac in | 0.0001237 ac in | 0.0001261 ac in | 0.0001284 ac in | 0.0001308 ac in | 0.0001331 ac in | 0.0001354 ac in | 0.0001378 ac in | 0.0001401 ac in | 0.0001424 ac in | 0.0001448 ac in | 0.0001471 ac in | 0.0001494 ac in | 0.0001518 ac in | 0.0001541 ac in | 0.0001564 ac in | 0.0001588 ac in | 0.0001611 ac in | 0.0001634 ac in | 0.0001658 ac in | 0.0001681 ac in | 0.0001704 ac in | 0.0001728 ac in | 0.0001751 ac in | 0.0001774 ac in | 0.0001798 ac in | 0.0001821 ac in | 0.0001845 ac in | 0.0001868 ac in | 0.0001891 ac in | 0.0001915 ac in | 0.0001938 ac in | 0.0001961 ac in | 0.0001985 ac in | 0.0002008 ac in | 0.0002031 ac in | 0.0002055 ac in | 0.0002078 ac in | 0.0002101 ac in | 0.0002125 ac in | 0.0002148 ac in | 0.0002171 ac in | 0.0002195 ac in | 0.0002218 ac in | 0.0002241 ac in | 0.0002265 ac in | 0.0002288 ac in | 0.0002312 ac in | 0.0002335 ac in |
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-inches | US legal cups | acre-inches |
|---|---|---|---|
| 1 | = 2.3348539981149E-6 | 6 | = 1.400912398869E-5 |
| 2 | = 4.6697079962299E-6 | 7 | = 1.6343977986805E-5 |
| 3 | = 7.0045619943448E-6 | 8 | = 1.867883198492E-5 |
| 4 | = 9.3394159924598E-6 | 9 | = 2.1013685983035E-5 |
| 5 | = 1.1674269990575E-5 | 10 | = 2.3348539981149E-5 |
The acre-inch 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-inch | ac in | ≡ 1 ac × 1 in | = 102.79015312896 m3 | Imperial/US |
| acre-inches | US legal cups | acre-inches | US legal cups |
|---|---|---|---|
| 1 | = 428292.304704 | 6 | = 2569753.828224 |
| 2 | = 856584.609408 | 7 | = 2998046.132928 |
| 3 | = 1284876.914112 | 8 | = 3426338.437632 |
| 4 | = 1713169.218816 | 9 | = 3854630.742336 |
| 5 | = 2141461.52352 | 10 | = 4282923.04704 |
| US legal cups | acre-inches |
|---|---|
| 1 | = 2.3348539981149 × 10-6 |
| 428,292.304704 | = 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 …) |