| 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) |
| zettaliter | 5.0 × 10-24 ZL | 1.0 × 10-23 ZL | 1.5 × 10-23 ZL | 2.0 × 10-23 ZL | 2.5 × 10-23 ZL | 3.0 × 10-23 ZL | 3.5 × 10-23 ZL | 4.0 × 10-23 ZL | 4.5 × 10-23 ZL | 5.0 × 10-23 ZL | 5.5 × 10-23 ZL | 6.0 × 10-23 ZL | 6.5 × 10-23 ZL | 7.0 × 10-23 ZL | 7.5 × 10-23 ZL | 8.0 × 10-23 ZL | 8.5 × 10-23 ZL | 9.0 × 10-23 ZL | 9.5 × 10-23 ZL | 1.0 × 10-22 ZL | 1.05 × 10-22 ZL | 1.1 × 10-22 ZL | 1.15 × 10-22 ZL | 1.2 × 10-22 ZL | 1.25 × 10-22 ZL | 1.3 × 10-22 ZL | 1.35 × 10-22 ZL | 1.4 × 10-22 ZL | 1.45 × 10-22 ZL | 1.5 × 10-22 ZL | 1.55 × 10-22 ZL | 1.6 × 10-22 ZL | 1.65 × 10-22 ZL | 1.7 × 10-22 ZL | 1.75 × 10-22 ZL | 1.8 × 10-22 ZL | 1.85 × 10-22 ZL | 1.9 × 10-22 ZL | 1.95 × 10-22 ZL | 2.0 × 10-22 ZL | 2.05 × 10-22 ZL | 2.1 × 10-22 ZL | 2.15 × 10-22 ZL | 2.2 × 10-22 ZL | 2.25 × 10-22 ZL | 2.3 × 10-22 ZL | 2.35 × 10-22 ZL | 2.4 × 10-22 ZL | 2.45 × 10-22 ZL | 2.5 × 10-22 ZL | 2.55 × 10-22 ZL | 2.6 × 10-22 ZL | 2.65 × 10-22 ZL | 2.7 × 10-22 ZL | 2.75 × 10-22 ZL | 2.8 × 10-22 ZL | 2.85 × 10-22 ZL | 2.9 × 10-22 ZL | 2.95 × 10-22 ZL | 3.0 × 10-22 ZL | 3.05 × 10-22 ZL | 3.1 × 10-22 ZL | 3.15 × 10-22 ZL | 3.2 × 10-22 ZL | 3.25 × 10-22 ZL | 3.3 × 10-22 ZL | 3.35 × 10-22 ZL | 3.4 × 10-22 ZL | 3.45 × 10-22 ZL | 3.5 × 10-22 ZL | 3.55 × 10-22 ZL | 3.6 × 10-22 ZL | 3.65 × 10-22 ZL | 3.7 × 10-22 ZL | 3.75 × 10-22 ZL | 3.8 × 10-22 ZL | 3.85 × 10-22 ZL | 3.9 × 10-22 ZL | 3.95 × 10-22 ZL | 4.0 × 10-22 ZL | 4.05 × 10-22 ZL | 4.1 × 10-22 ZL | 4.15 × 10-22 ZL | 4.2 × 10-22 ZL | 4.25 × 10-22 ZL | 4.3 × 10-22 ZL | 4.35 × 10-22 ZL | 4.4 × 10-22 ZL | 4.45 × 10-22 ZL | 4.5 × 10-22 ZL | 4.55 × 10-22 ZL | 4.6 × 10-22 ZL | 4.65 × 10-22 ZL | 4.7 × 10-22 ZL | 4.75 × 10-22 ZL | 4.8 × 10-22 ZL | 4.85 × 10-22 ZL | 4.9 × 10-22 ZL | 4.95 × 10-22 ZL | 5.0 × 10-22 ZL |
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 | zettaliters | metric teaspoons | zettaliters |
|---|---|---|---|
| 1 | ≡ 5.0E-24 | 6 | ≡ 3.0E-23 |
| 2 | ≡ 1.0E-23 | 7 | ≡ 3.5E-23 |
| 3 | ≡ 1.5E-23 | 8 | ≡ 4.0E-23 |
| 4 | ≡ 2.0E-23 | 9 | ≡ 4.5E-23 |
| 5 | ≡ 2.5E-23 | 10 | ≡ 5.0E-23 |
The zettaliter or zettalitre is a common metric unit of volume. It is equal to 1018 cubic meters. Plural name is zettaliters.
| Name of unit | Symbol | Definition | Relation to SI units | Unit System |
|---|---|---|---|---|
| zettaliter | ZL | ≡ 1 Mm3 | ≡ 1018 m3 | Metric system SI |
| zettaliters | metric teaspoons | zettaliters | metric teaspoons |
|---|---|---|---|
| 1 | ≡ 2.0E+23 | 6 | ≡ 1.2E+24 |
| 2 | ≡ 4.0E+23 | 7 | ≡ 1.4E+24 |
| 3 | ≡ 6.0E+23 | 8 | ≡ 1.6E+24 |
| 4 | ≡ 8.0E+23 | 9 | ≡ 1.8E+24 |
| 5 | ≡ 1.0E+24 | 10 | ≡ 2.0E+24 |
| metric teaspoons | zettaliters |
|---|---|
| 1 | ≡ 5.0 × 10-24 |
| 2.0 × 1023 | ≡ 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 …) |