| imperial teaspoon | 1 tsp(imp) | 2 tsp(imp) | 3 tsp(imp) | 4 tsp(imp) | 5 tsp(imp) | 6 tsp(imp) | 7 tsp(imp) | 8 tsp(imp) | 9 tsp(imp) | 10 tsp(imp) | 11 tsp(imp) | 12 tsp(imp) | 13 tsp(imp) | 14 tsp(imp) | 15 tsp(imp) | 16 tsp(imp) | 17 tsp(imp) | 18 tsp(imp) | 19 tsp(imp) | 20 tsp(imp) | 21 tsp(imp) | 22 tsp(imp) | 23 tsp(imp) | 24 tsp(imp) | 25 tsp(imp) | 26 tsp(imp) | 27 tsp(imp) | 28 tsp(imp) | 29 tsp(imp) | 30 tsp(imp) | 31 tsp(imp) | 32 tsp(imp) | 33 tsp(imp) | 34 tsp(imp) | 35 tsp(imp) | 36 tsp(imp) | 37 tsp(imp) | 38 tsp(imp) | 39 tsp(imp) | 40 tsp(imp) | 41 tsp(imp) | 42 tsp(imp) | 43 tsp(imp) | 44 tsp(imp) | 45 tsp(imp) | 46 tsp(imp) | 47 tsp(imp) | 48 tsp(imp) | 49 tsp(imp) | 50 tsp(imp) | 51 tsp(imp) | 52 tsp(imp) | 53 tsp(imp) | 54 tsp(imp) | 55 tsp(imp) | 56 tsp(imp) | 57 tsp(imp) | 58 tsp(imp) | 59 tsp(imp) | 60 tsp(imp) | 61 tsp(imp) | 62 tsp(imp) | 63 tsp(imp) | 64 tsp(imp) | 65 tsp(imp) | 66 tsp(imp) | 67 tsp(imp) | 68 tsp(imp) | 69 tsp(imp) | 70 tsp(imp) | 71 tsp(imp) | 72 tsp(imp) | 73 tsp(imp) | 74 tsp(imp) | 75 tsp(imp) | 76 tsp(imp) | 77 tsp(imp) | 78 tsp(imp) | 79 tsp(imp) | 80 tsp(imp) | 81 tsp(imp) | 82 tsp(imp) | 83 tsp(imp) | 84 tsp(imp) | 85 tsp(imp) | 86 tsp(imp) | 87 tsp(imp) | 88 tsp(imp) | 89 tsp(imp) | 90 tsp(imp) | 91 tsp(imp) | 92 tsp(imp) | 93 tsp(imp) | 94 tsp(imp) | 95 tsp(imp) | 96 tsp(imp) | 97 tsp(imp) | 98 tsp(imp) | 99 tsp(imp) | 100 tsp(imp) |
| pipe | 1.2410610175928 × 10-5 pipe | 2.4821220351856 × 10-5 pipe | 3.7231830527783 × 10-5 pipe | 4.9642440703711 × 10-5 pipe | 6.2053050879639 × 10-5 pipe | 7.4463661055567 × 10-5 pipe | 8.6874271231494 × 10-5 pipe | 9.9284881407422 × 10-5 pipe | 0.0001117 pipe | 0.0001241 pipe | 0.0001365 pipe | 0.0001489 pipe | 0.0001613 pipe | 0.0001737 pipe | 0.0001862 pipe | 0.0001986 pipe | 0.0002110 pipe | 0.0002234 pipe | 0.0002358 pipe | 0.0002482 pipe | 0.0002606 pipe | 0.0002730 pipe | 0.0002854 pipe | 0.0002979 pipe | 0.0003103 pipe | 0.0003227 pipe | 0.0003351 pipe | 0.0003475 pipe | 0.0003599 pipe | 0.0003723 pipe | 0.0003847 pipe | 0.0003971 pipe | 0.0004096 pipe | 0.0004220 pipe | 0.0004344 pipe | 0.0004468 pipe | 0.0004592 pipe | 0.0004716 pipe | 0.0004840 pipe | 0.0004964 pipe | 0.0005088 pipe | 0.0005212 pipe | 0.0005337 pipe | 0.0005461 pipe | 0.0005585 pipe | 0.0005709 pipe | 0.0005833 pipe | 0.0005957 pipe | 0.0006081 pipe | 0.0006205 pipe | 0.0006329 pipe | 0.0006454 pipe | 0.0006578 pipe | 0.0006702 pipe | 0.0006826 pipe | 0.0006950 pipe | 0.0007074 pipe | 0.0007198 pipe | 0.0007322 pipe | 0.0007446 pipe | 0.0007570 pipe | 0.0007695 pipe | 0.0007819 pipe | 0.0007943 pipe | 0.0008067 pipe | 0.0008191 pipe | 0.0008315 pipe | 0.0008439 pipe | 0.0008563 pipe | 0.0008687 pipe | 0.0008812 pipe | 0.0008936 pipe | 0.0009060 pipe | 0.0009184 pipe | 0.0009308 pipe | 0.0009432 pipe | 0.0009556 pipe | 0.0009680 pipe | 0.0009804 pipe | 0.0009928 pipe | 0.0010053 pipe | 0.0010177 pipe | 0.0010301 pipe | 0.0010425 pipe | 0.0010549 pipe | 0.0010673 pipe | 0.0010797 pipe | 0.0010921 pipe | 0.0011045 pipe | 0.0011170 pipe | 0.0011294 pipe | 0.0011418 pipe | 0.0011542 pipe | 0.0011666 pipe | 0.0011790 pipe | 0.0011914 pipe | 0.0012038 pipe | 0.0012162 pipe | 0.0012287 pipe | 0.0012411 pipe |
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 |
|---|---|---|---|---|
| imperial teaspoon | tsp(imp) | ≡ 1⁄24 gi (imp) | = 5.91938802083×10−6 m3 | Imperial/US |
| imperial teaspoons | pipes | imperial teaspoons | pipes |
|---|---|---|---|
| 1 | = 1.2410610175928E-5 | 6 | = 7.4463661055567E-5 |
| 2 | = 2.4821220351856E-5 | 7 | = 8.6874271231494E-5 |
| 3 | = 3.7231830527783E-5 | 8 | = 9.9284881407422E-5 |
| 4 | = 4.9642440703711E-5 | 9 | = 0.00011169549158335 |
| 5 | = 6.2053050879639E-5 | 10 | = 0.00012410610175928 |
The pipe was a measure of liquid volume equalling two hogsheads. This equated to 108 imperial gallons (490 l) for ale or 126 imperial gallons (570 l) for wine (also known as a butt).
| Name of unit | Symbol | Definition | Relation to SI units | Unit System |
|---|---|---|---|---|
| pipe | ≡ 126 gal (wine) | = 0.476961884784 m3 | Imperial/US |
| pipes | imperial teaspoons | pipes | imperial teaspoons |
|---|---|---|---|
| 1 | = 80576.215498223 | 6 | = 483457.29298934 |
| 2 | = 161152.43099645 | 7 | = 564033.50848756 |
| 3 | = 241728.64649467 | 8 | = 644609.72398579 |
| 4 | = 322304.86199289 | 9 | = 725185.93948401 |
| 5 | = 402881.07749112 | 10 | = 805762.15498223 |
| imperial teaspoons | pipes |
|---|---|
| 1 | = 1.2410610175928 × 10-5 |
| 80,576.2154982 | = 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 …) |