| 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) |
| attoliter | 2.4 × 1017 aL | 4.8 × 1017 aL | 7.2 × 1017 aL | 9.6 × 1017 aL | 1.2 × 1018 aL | 1.44 × 1018 aL | 1.68 × 1018 aL | 1.92 × 1018 aL | 2.16 × 1018 aL | 2.4 × 1018 aL | 2.64 × 1018 aL | 2.88 × 1018 aL | 3.12 × 1018 aL | 3.36 × 1018 aL | 3.6 × 1018 aL | 3.84 × 1018 aL | 4.08 × 1018 aL | 4.32 × 1018 aL | 4.56 × 1018 aL | 4.8 × 1018 aL | 5.04 × 1018 aL | 5.28 × 1018 aL | 5.52 × 1018 aL | 5.76 × 1018 aL | 6.0 × 1018 aL | 6.24 × 1018 aL | 6.48 × 1018 aL | 6.72 × 1018 aL | 6.96 × 1018 aL | 7.2 × 1018 aL | 7.44 × 1018 aL | 7.68 × 1018 aL | 7.92 × 1018 aL | 8.16 × 1018 aL | 8.4 × 1018 aL | 8.64 × 1018 aL | 8.88 × 1018 aL | 9.12 × 1018 aL | 9.36 × 1018 aL | 9.6 × 1018 aL | 9.84 × 1018 aL | 1.008 × 1019 aL | 1.032 × 1019 aL | 1.056 × 1019 aL | 1.08 × 1019 aL | 1.104 × 1019 aL | 1.128 × 1019 aL | 1.152 × 1019 aL | 1.176 × 1019 aL | 1.2 × 1019 aL | 1.224 × 1019 aL | 1.248 × 1019 aL | 1.272 × 1019 aL | 1.296 × 1019 aL | 1.32 × 1019 aL | 1.344 × 1019 aL | 1.368 × 1019 aL | 1.392 × 1019 aL | 1.416 × 1019 aL | 1.44 × 1019 aL | 1.464 × 1019 aL | 1.488 × 1019 aL | 1.512 × 1019 aL | 1.536 × 1019 aL | 1.56 × 1019 aL | 1.584 × 1019 aL | 1.608 × 1019 aL | 1.632 × 1019 aL | 1.656 × 1019 aL | 1.68 × 1019 aL | 1.704 × 1019 aL | 1.728 × 1019 aL | 1.752 × 1019 aL | 1.776 × 1019 aL | 1.8 × 1019 aL | 1.824 × 1019 aL | 1.848 × 1019 aL | 1.872 × 1019 aL | 1.896 × 1019 aL | 1.92 × 1019 aL | 1.944 × 1019 aL | 1.968 × 1019 aL | 1.992 × 1019 aL | 2.016 × 1019 aL | 2.04 × 1019 aL | 2.064 × 1019 aL | 2.088 × 1019 aL | 2.112 × 1019 aL | 2.136 × 1019 aL | 2.16 × 1019 aL | 2.184 × 1019 aL | 2.208 × 1019 aL | 2.232 × 1019 aL | 2.256 × 1019 aL | 2.28 × 1019 aL | 2.304 × 1019 aL | 2.328 × 1019 aL | 2.352 × 1019 aL | 2.376 × 1019 aL | 2.4 × 1019 aL |
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 | attoliters | US legal cups | attoliters |
|---|---|---|---|
| 1 | = 2.4E+17 | 6 | = 1.44E+18 |
| 2 | = 4.8E+17 | 7 | = 1.68E+18 |
| 3 | = 7.2E+17 | 8 | = 1.92E+18 |
| 4 | = 9.6E+17 | 9 | = 2.16E+18 |
| 5 | = 1.2E+18 | 10 | = 2.4E+18 |
The attoliter or attolitre is a common metric unit of volume. It is equal to 10-21 cubic meters. Plural name is attoliters.
| Name of unit | Symbol | Definition | Relation to SI units | Unit System |
|---|---|---|---|---|
| attoliter | aL | ≡ 106 nm3 | ≡ 10-21 m3 | Metric system SI |
| attoliters | US legal cups | attoliters | US legal cups |
|---|---|---|---|
| 1 | = 4.1666666666667E-18 | 6 | = 2.5E-17 |
| 2 | = 8.3333333333333E-18 | 7 | = 2.9166666666667E-17 |
| 3 | = 1.25E-17 | 8 | = 3.3333333333333E-17 |
| 4 | = 1.6666666666667E-17 | 9 | = 3.75E-17 |
| 5 | = 2.0833333333333E-17 | 10 | = 4.1666666666667E-17 |
| US legal cups | attoliters |
|---|---|
| 1 | = 2.4 × 1017 |
| 4.1666666666667 × 10-18 | = 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 …) |