| 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) |
| metric teaspoon | 48 tsp(metric) | 96 tsp(metric) | 144 tsp(metric) | 192 tsp(metric) | 240 tsp(metric) | 288 tsp(metric) | 336 tsp(metric) | 384 tsp(metric) | 432 tsp(metric) | 480 tsp(metric) | 528 tsp(metric) | 576 tsp(metric) | 624 tsp(metric) | 672 tsp(metric) | 720 tsp(metric) | 768 tsp(metric) | 816 tsp(metric) | 864 tsp(metric) | 912 tsp(metric) | 960 tsp(metric) | 1 008 tsp(metric) | 1 056 tsp(metric) | 1 104 tsp(metric) | 1 152 tsp(metric) | 1 200 tsp(metric) | 1 248 tsp(metric) | 1 296 tsp(metric) | 1 344 tsp(metric) | 1 392 tsp(metric) | 1 440 tsp(metric) | 1 488 tsp(metric) | 1 536 tsp(metric) | 1 584 tsp(metric) | 1 632 tsp(metric) | 1 680 tsp(metric) | 1 728 tsp(metric) | 1 776 tsp(metric) | 1 824 tsp(metric) | 1 872 tsp(metric) | 1 920 tsp(metric) | 1 968 tsp(metric) | 2 016 tsp(metric) | 2 064 tsp(metric) | 2 112 tsp(metric) | 2 160 tsp(metric) | 2 208 tsp(metric) | 2 256 tsp(metric) | 2 304 tsp(metric) | 2 352 tsp(metric) | 2 400 tsp(metric) | 2 448 tsp(metric) | 2 496 tsp(metric) | 2 544 tsp(metric) | 2 592 tsp(metric) | 2 640 tsp(metric) | 2 688 tsp(metric) | 2 736 tsp(metric) | 2 784 tsp(metric) | 2 832 tsp(metric) | 2 880 tsp(metric) | 2 928 tsp(metric) | 2 976 tsp(metric) | 3 024 tsp(metric) | 3 072 tsp(metric) | 3 120 tsp(metric) | 3 168 tsp(metric) | 3 216 tsp(metric) | 3 264 tsp(metric) | 3 312 tsp(metric) | 3 360 tsp(metric) | 3 408 tsp(metric) | 3 456 tsp(metric) | 3 504 tsp(metric) | 3 552 tsp(metric) | 3 600 tsp(metric) | 3 648 tsp(metric) | 3 696 tsp(metric) | 3 744 tsp(metric) | 3 792 tsp(metric) | 3 840 tsp(metric) | 3 888 tsp(metric) | 3 936 tsp(metric) | 3 984 tsp(metric) | 4 032 tsp(metric) | 4 080 tsp(metric) | 4 128 tsp(metric) | 4 176 tsp(metric) | 4 224 tsp(metric) | 4 272 tsp(metric) | 4 320 tsp(metric) | 4 368 tsp(metric) | 4 416 tsp(metric) | 4 464 tsp(metric) | 4 512 tsp(metric) | 4 560 tsp(metric) | 4 608 tsp(metric) | 4 656 tsp(metric) | 4 704 tsp(metric) | 4 752 tsp(metric) | 4 800 tsp(metric) |
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 | metric teaspoons | US legal cups | metric teaspoons |
|---|---|---|---|
| 1 | = 48 | 6 | = 288 |
| 2 | = 96 | 7 | = 336 |
| 3 | = 144 | 8 | = 384 |
| 4 | = 192 | 9 | = 432 |
| 5 | = 240 | 10 | = 480 |
A teaspoon is an item of cutlery, a measuring instrument, of approximately 5ml, or a unit of measurement of volume (usually abbreviated tsp.).
| Name of unit | Symbol | Definition | Relation to SI units | Unit System |
|---|---|---|---|---|
| metric teaspoon | tsp(metric) | = 5.0×10−6 m3 | ≡ 5.0×10−6 m3 | Imperial/US |
| metric teaspoons | US legal cups | metric teaspoons | US legal cups |
|---|---|---|---|
| 1 | = 0.020833333333333 | 6 | = 0.125 |
| 2 | = 0.041666666666667 | 7 | = 0.14583333333333 |
| 3 | = 0.0625 | 8 | = 0.16666666666667 |
| 4 | = 0.083333333333333 | 9 | = 0.1875 |
| 5 | = 0.10416666666667 | 10 | = 0.20833333333333 |
| US legal cups | metric teaspoons |
|---|---|
| 1 | = 48 |
| 0.0208333 | = 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 …) |