| metric teaspoon | 1 tsp(metric) | 2 tsp(metric) | 3 tsp(metric) | 4 tsp(metric) | 5 tsp(metric) | 6 tsp(metric) | 7 tsp(metric) | 8 tsp(metric) | 9 tsp(metric) | 10 tsp(metric) | 11 tsp(metric) | 12 tsp(metric) | 13 tsp(metric) | 14 tsp(metric) | 15 tsp(metric) | 16 tsp(metric) | 17 tsp(metric) | 18 tsp(metric) | 19 tsp(metric) | 20 tsp(metric) | 21 tsp(metric) | 22 tsp(metric) | 23 tsp(metric) | 24 tsp(metric) | 25 tsp(metric) | 26 tsp(metric) | 27 tsp(metric) | 28 tsp(metric) | 29 tsp(metric) | 30 tsp(metric) | 31 tsp(metric) | 32 tsp(metric) | 33 tsp(metric) | 34 tsp(metric) | 35 tsp(metric) | 36 tsp(metric) | 37 tsp(metric) | 38 tsp(metric) | 39 tsp(metric) | 40 tsp(metric) | 41 tsp(metric) | 42 tsp(metric) | 43 tsp(metric) | 44 tsp(metric) | 45 tsp(metric) | 46 tsp(metric) | 47 tsp(metric) | 48 tsp(metric) | 49 tsp(metric) | 50 tsp(metric) | 51 tsp(metric) | 52 tsp(metric) | 53 tsp(metric) | 54 tsp(metric) | 55 tsp(metric) | 56 tsp(metric) | 57 tsp(metric) | 58 tsp(metric) | 59 tsp(metric) | 60 tsp(metric) | 61 tsp(metric) | 62 tsp(metric) | 63 tsp(metric) | 64 tsp(metric) | 65 tsp(metric) | 66 tsp(metric) | 67 tsp(metric) | 68 tsp(metric) | 69 tsp(metric) | 70 tsp(metric) | 71 tsp(metric) | 72 tsp(metric) | 73 tsp(metric) | 74 tsp(metric) | 75 tsp(metric) | 76 tsp(metric) | 77 tsp(metric) | 78 tsp(metric) | 79 tsp(metric) | 80 tsp(metric) | 81 tsp(metric) | 82 tsp(metric) | 83 tsp(metric) | 84 tsp(metric) | 85 tsp(metric) | 86 tsp(metric) | 87 tsp(metric) | 88 tsp(metric) | 89 tsp(metric) | 90 tsp(metric) | 91 tsp(metric) | 92 tsp(metric) | 93 tsp(metric) | 94 tsp(metric) | 95 tsp(metric) | 96 tsp(metric) | 97 tsp(metric) | 98 tsp(metric) | 99 tsp(metric) | 100 tsp(metric) |
| acre-foot | 4.0535659689496 × 10-9 ac ft | 8.1071319378991 × 10-9 ac ft | 1.2160697906849 × 10-8 ac ft | 1.6214263875798 × 10-8 ac ft | 2.0267829844748 × 10-8 ac ft | 2.4321395813697 × 10-8 ac ft | 2.8374961782647 × 10-8 ac ft | 3.2428527751597 × 10-8 ac ft | 3.6482093720546 × 10-8 ac ft | 4.0535659689496 × 10-8 ac ft | 4.4589225658445 × 10-8 ac ft | 4.8642791627395 × 10-8 ac ft | 5.2696357596344 × 10-8 ac ft | 5.6749923565294 × 10-8 ac ft | 6.0803489534243 × 10-8 ac ft | 6.4857055503193 × 10-8 ac ft | 6.8910621472143 × 10-8 ac ft | 7.2964187441092 × 10-8 ac ft | 7.7017753410042 × 10-8 ac ft | 8.1071319378991 × 10-8 ac ft | 8.5124885347941 × 10-8 ac ft | 8.917845131689 × 10-8 ac ft | 9.323201728584 × 10-8 ac ft | 9.728558325479 × 10-8 ac ft | 1.0133914922374 × 10-7 ac ft | 1.0539271519269 × 10-7 ac ft | 1.0944628116164 × 10-7 ac ft | 1.1349984713059 × 10-7 ac ft | 1.1755341309954 × 10-7 ac ft | 1.2160697906849 × 10-7 ac ft | 1.2566054503744 × 10-7 ac ft | 1.2971411100639 × 10-7 ac ft | 1.3376767697534 × 10-7 ac ft | 1.3782124294429 × 10-7 ac ft | 1.4187480891323 × 10-7 ac ft | 1.4592837488218 × 10-7 ac ft | 1.4998194085113 × 10-7 ac ft | 1.5403550682008 × 10-7 ac ft | 1.5808907278903 × 10-7 ac ft | 1.6214263875798 × 10-7 ac ft | 1.6619620472693 × 10-7 ac ft | 1.7024977069588 × 10-7 ac ft | 1.7430333666483 × 10-7 ac ft | 1.7835690263378 × 10-7 ac ft | 1.8241046860273 × 10-7 ac ft | 1.8646403457168 × 10-7 ac ft | 1.9051760054063 × 10-7 ac ft | 1.9457116650958 × 10-7 ac ft | 1.9862473247853 × 10-7 ac ft | 2.0267829844748 × 10-7 ac ft | 2.0673186441643 × 10-7 ac ft | 2.1078543038538 × 10-7 ac ft | 2.1483899635433 × 10-7 ac ft | 2.1889256232328 × 10-7 ac ft | 2.2294612829223 × 10-7 ac ft | 2.2699969426118 × 10-7 ac ft | 2.3105326023013 × 10-7 ac ft | 2.3510682619907 × 10-7 ac ft | 2.3916039216802 × 10-7 ac ft | 2.4321395813697 × 10-7 ac ft | 2.4726752410592 × 10-7 ac ft | 2.5132109007487 × 10-7 ac ft | 2.5537465604382 × 10-7 ac ft | 2.5942822201277 × 10-7 ac ft | 2.6348178798172 × 10-7 ac ft | 2.6753535395067 × 10-7 ac ft | 2.7158891991962 × 10-7 ac ft | 2.7564248588857 × 10-7 ac ft | 2.7969605185752 × 10-7 ac ft | 2.8374961782647 × 10-7 ac ft | 2.8780318379542 × 10-7 ac ft | 2.9185674976437 × 10-7 ac ft | 2.9591031573332 × 10-7 ac ft | 2.9996388170227 × 10-7 ac ft | 3.0401744767122 × 10-7 ac ft | 3.0807101364017 × 10-7 ac ft | 3.1212457960912 × 10-7 ac ft | 3.1617814557807 × 10-7 ac ft | 3.2023171154702 × 10-7 ac ft | 3.2428527751597 × 10-7 ac ft | 3.2833884348491 × 10-7 ac ft | 3.3239240945386 × 10-7 ac ft | 3.3644597542281 × 10-7 ac ft | 3.4049954139176 × 10-7 ac ft | 3.4455310736071 × 10-7 ac ft | 3.4860667332966 × 10-7 ac ft | 3.5266023929861 × 10-7 ac ft | 3.5671380526756 × 10-7 ac ft | 3.6076737123651 × 10-7 ac ft | 3.6482093720546 × 10-7 ac ft | 3.6887450317441 × 10-7 ac ft | 3.7292806914336 × 10-7 ac ft | 3.7698163511231 × 10-7 ac ft | 3.8103520108126 × 10-7 ac ft | 3.8508876705021 × 10-7 ac ft | 3.8914233301916 × 10-7 ac ft | 3.9319589898811 × 10-7 ac ft | 3.9724946495706 × 10-7 ac ft | 4.0130303092601 × 10-7 ac ft | 4.0535659689496 × 10-7 ac ft |
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 | acre-feet | metric teaspoons | acre-feet |
|---|---|---|---|
| 1 | = 4.0535659689496E-9 | 6 | = 2.4321395813697E-8 |
| 2 | = 8.1071319378991E-9 | 7 | = 2.8374961782647E-8 |
| 3 | = 1.2160697906849E-8 | 8 | = 3.2428527751597E-8 |
| 4 | = 1.6214263875798E-8 | 9 | = 3.6482093720546E-8 |
| 5 | = 2.0267829844748E-8 | 10 | = 4.0535659689496E-8 |
The acre-foot 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-foot | ac ft | ≡ 1 ac x 1 ft = 43560 cu ft | = 1233.48183754752 m3 | Imperial/US |
| acre-feet | metric teaspoons | acre-feet | metric teaspoons |
|---|---|---|---|
| 1 | = 246696367.5095 | 6 | = 1480178205.057 |
| 2 | = 493392735.01901 | 7 | = 1726874572.5665 |
| 3 | = 740089102.52851 | 8 | = 1973570940.076 |
| 4 | = 986785470.03802 | 9 | = 2220267307.5855 |
| 5 | = 1233481837.5475 | 10 | = 2466963675.095 |
| metric teaspoons | acre-feet |
|---|---|
| 1 | = 4.0535659689496 × 10-9 |
| 246,696,367.5095 | = 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 …) |