| 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) |
| lambda | 240 000 λ | 480 000 λ | 720 000 λ | 960 000 λ | 1 200 000 λ | 1 440 000 λ | 1 680 000 λ | 1 920 000 λ | 2 160 000 λ | 2 400 000 λ | 2 640 000 λ | 2 880 000 λ | 3 120 000 λ | 3 360 000 λ | 3 600 000 λ | 3 840 000 λ | 4 080 000 λ | 4 320 000 λ | 4 560 000 λ | 4 800 000 λ | 5 040 000 λ | 5 280 000 λ | 5 520 000 λ | 5 760 000 λ | 6 000 000 λ | 6 240 000 λ | 6 480 000 λ | 6 720 000 λ | 6 960 000 λ | 7 200 000 λ | 7 440 000 λ | 7 680 000 λ | 7 920 000 λ | 8 160 000 λ | 8 400 000 λ | 8 640 000 λ | 8 880 000 λ | 9 120 000 λ | 9 360 000 λ | 9 600 000 λ | 9 840 000 λ | 10 080 000 λ | 10 320 000 λ | 10 560 000 λ | 10 800 000 λ | 11 040 000 λ | 11 280 000 λ | 11 520 000 λ | 11 760 000 λ | 12 000 000 λ | 12 240 000 λ | 12 480 000 λ | 12 720 000 λ | 12 960 000 λ | 13 200 000 λ | 13 440 000 λ | 13 680 000 λ | 13 920 000 λ | 14 160 000 λ | 14 400 000 λ | 14 640 000 λ | 14 880 000 λ | 15 120 000 λ | 15 360 000 λ | 15 600 000 λ | 15 840 000 λ | 16 080 000 λ | 16 320 000 λ | 16 560 000 λ | 16 800 000 λ | 17 040 000 λ | 17 280 000 λ | 17 520 000 λ | 17 760 000 λ | 18 000 000 λ | 18 240 000 λ | 18 480 000 λ | 18 720 000 λ | 18 960 000 λ | 19 200 000 λ | 19 440 000 λ | 19 680 000 λ | 19 920 000 λ | 20 160 000 λ | 20 400 000 λ | 20 640 000 λ | 20 880 000 λ | 21 120 000 λ | 21 360 000 λ | 21 600 000 λ | 21 840 000 λ | 22 080 000 λ | 22 320 000 λ | 22 560 000 λ | 22 800 000 λ | 23 040 000 λ | 23 280 000 λ | 23 520 000 λ | 23 760 000 λ | 24 000 000 λ |
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 | lambdas | US legal cups | lambdas |
|---|---|---|---|
| 1 | = 240000 | 6 | = 1440000 |
| 2 | = 480000 | 7 | = 1680000 |
| 3 | = 720000 | 8 | = 1920000 |
| 4 | = 960000 | 9 | = 2160000 |
| 5 | = 1200000 | 10 | = 2400000 |
Lambda (written λ, in lowercase) is a legitimate metric unit of volume equal to 10−9 m3, 1 cubic millimeter (mm3) or 1 microlitre (µL). Introduced by the BIPM in 1880, the lambda has been used in chemistry and in law for measuring volume, but its use is not recommended.
| Name of unit | Symbol | Definition | Relation to SI units | Unit System |
|---|---|---|---|---|
| lambda | λ | ≡ 1 mm3 | = 1×10−9 m3 | Metric system SI |
| lambdas | US legal cups | lambdas | US legal cups |
|---|---|---|---|
| 1 | = 4.1666666666667E-6 | 6 | = 2.5E-5 |
| 2 | = 8.3333333333333E-6 | 7 | = 2.9166666666667E-5 |
| 3 | = 1.25E-5 | 8 | = 3.3333333333333E-5 |
| 4 | = 1.6666666666667E-5 | 9 | = 3.75E-5 |
| 5 | = 2.0833333333333E-5 | 10 | = 4.1666666666667E-5 |
| US legal cups | lambdas |
|---|---|
| 1 | = 240 000 |
| 4.1666666666667 × 10-6 | = 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 …) |