| attosecond | 1 as | 2 as | 3 as | 4 as | 5 as | 6 as | 7 as | 8 as | 9 as | 10 as | 11 as | 12 as | 13 as | 14 as | 15 as | 16 as | 17 as | 18 as | 19 as | 20 as | 21 as | 22 as | 23 as | 24 as | 25 as | 26 as | 27 as | 28 as | 29 as | 30 as | 31 as | 32 as | 33 as | 34 as | 35 as | 36 as | 37 as | 38 as | 39 as | 40 as | 41 as | 42 as | 43 as | 44 as | 45 as | 46 as | 47 as | 48 as | 49 as | 50 as | 51 as | 52 as | 53 as | 54 as | 55 as | 56 as | 57 as | 58 as | 59 as | 60 as | 61 as | 62 as | 63 as | 64 as | 65 as | 66 as | 67 as | 68 as | 69 as | 70 as | 71 as | 72 as | 73 as | 74 as | 75 as | 76 as | 77 as | 78 as | 79 as | 80 as | 81 as | 82 as | 83 as | 84 as | 85 as | 86 as | 87 as | 88 as | 89 as | 90 as | 91 as | 92 as | 93 as | 94 as | 95 as | 96 as | 97 as | 98 as | 99 as | 100 as |
| hectosecond | 1.0 × 10-20 hs | 2.0 × 10-20 hs | 3.0 × 10-20 hs | 4.0 × 10-20 hs | 5.0 × 10-20 hs | 6.0 × 10-20 hs | 7.0 × 10-20 hs | 8.0 × 10-20 hs | 9.0 × 10-20 hs | 1.0 × 10-19 hs | 1.1 × 10-19 hs | 1.2 × 10-19 hs | 1.3 × 10-19 hs | 1.4 × 10-19 hs | 1.5 × 10-19 hs | 1.6 × 10-19 hs | 1.7 × 10-19 hs | 1.8 × 10-19 hs | 1.9 × 10-19 hs | 2.0 × 10-19 hs | 2.1 × 10-19 hs | 2.2 × 10-19 hs | 2.3 × 10-19 hs | 2.4 × 10-19 hs | 2.5 × 10-19 hs | 2.6 × 10-19 hs | 2.7 × 10-19 hs | 2.8 × 10-19 hs | 2.9 × 10-19 hs | 3.0 × 10-19 hs | 3.1 × 10-19 hs | 3.2 × 10-19 hs | 3.3 × 10-19 hs | 3.4 × 10-19 hs | 3.5 × 10-19 hs | 3.6 × 10-19 hs | 3.7 × 10-19 hs | 3.8 × 10-19 hs | 3.9 × 10-19 hs | 4.0 × 10-19 hs | 4.1 × 10-19 hs | 4.2 × 10-19 hs | 4.3 × 10-19 hs | 4.4 × 10-19 hs | 4.5 × 10-19 hs | 4.6 × 10-19 hs | 4.7 × 10-19 hs | 4.8 × 10-19 hs | 4.9 × 10-19 hs | 5.0 × 10-19 hs | 5.1 × 10-19 hs | 5.2 × 10-19 hs | 5.3 × 10-19 hs | 5.4 × 10-19 hs | 5.5 × 10-19 hs | 5.6 × 10-19 hs | 5.7 × 10-19 hs | 5.8 × 10-19 hs | 5.9 × 10-19 hs | 6.0 × 10-19 hs | 6.1 × 10-19 hs | 6.2 × 10-19 hs | 6.3 × 10-19 hs | 6.4 × 10-19 hs | 6.5 × 10-19 hs | 6.6 × 10-19 hs | 6.7 × 10-19 hs | 6.8 × 10-19 hs | 6.9 × 10-19 hs | 7.0 × 10-19 hs | 7.1 × 10-19 hs | 7.2 × 10-19 hs | 7.3 × 10-19 hs | 7.4 × 10-19 hs | 7.5 × 10-19 hs | 7.6 × 10-19 hs | 7.7 × 10-19 hs | 7.8 × 10-19 hs | 7.9 × 10-19 hs | 8.0 × 10-19 hs | 8.1 × 10-19 hs | 8.2 × 10-19 hs | 8.3 × 10-19 hs | 8.4 × 10-19 hs | 8.5 × 10-19 hs | 8.6 × 10-19 hs | 8.7 × 10-19 hs | 8.8 × 10-19 hs | 8.9 × 10-19 hs | 9.0 × 10-19 hs | 9.1 × 10-19 hs | 9.2 × 10-19 hs | 9.3 × 10-19 hs | 9.4 × 10-19 hs | 9.5 × 10-19 hs | 9.6 × 10-19 hs | 9.7 × 10-19 hs | 9.8 × 10-19 hs | 9.9 × 10-19 hs | 1.0 × 10-18 hs |
Attosecond is equal to 10 second (unit of time), comes from a combination of the metric prefix atto (a) with the second (s). Plural name is attoseconds with symbol is as.
| Name of unit | Symbol | Definition | Relation to SI units | Unit System |
|---|---|---|---|---|
| attosecond | as | ≡ 10-18 second | ≡ 10-18 second | Metric system SI |
| attoseconds | hectoseconds | attoseconds | hectoseconds |
|---|---|---|---|
| 1 | ≡ 1.0E-20 | 6 | ≡ 6.0E-20 |
| 2 | ≡ 2.0E-20 | 7 | ≡ 7.0E-20 |
| 3 | ≡ 3.0E-20 | 8 | ≡ 8.0E-20 |
| 4 | ≡ 4.0E-20 | 9 | ≡ 9.0E-20 |
| 5 | ≡ 5.0E-20 | 10 | ≡ 1.0E-19 |
Hectosecond is equal to 100second (unit of time), comes from a combination of the metric prefix hecto (h) with the second (s). Plural name is hectoseconds with symbol is hs.
| Name of unit | Symbol | Definition | Relation to SI units | Unit System |
|---|---|---|---|---|
| hectosecond | hs | ≡ 100 second | ≡ 100 second | Metric system SI |
| hectoseconds | attoseconds | hectoseconds | attoseconds |
|---|---|---|---|
| 1 | ≡ 1.0E+20 | 6 | ≡ 6.0E+20 |
| 2 | ≡ 2.0E+20 | 7 | ≡ 7.0E+20 |
| 3 | ≡ 3.0E+20 | 8 | ≡ 8.0E+20 |
| 4 | ≡ 4.0E+20 | 9 | ≡ 9.0E+20 |
| 5 | ≡ 5.0E+20 | 10 | ≡ 1.0E+21 |
| attoseconds | hectoseconds |
|---|---|
| 1 | ≡ 1.0 × 10-20 |
| 1.0 × 1020 | ≡ 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 …) |