femtosecond | 1 fs | 2 fs | 3 fs | 4 fs | 5 fs | 6 fs | 7 fs | 8 fs | 9 fs | 10 fs | 11 fs | 12 fs | 13 fs | 14 fs | 15 fs | 16 fs | 17 fs | 18 fs | 19 fs | 20 fs | 21 fs | 22 fs | 23 fs | 24 fs | 25 fs | 26 fs | 27 fs | 28 fs | 29 fs | 30 fs | 31 fs | 32 fs | 33 fs | 34 fs | 35 fs | 36 fs | 37 fs | 38 fs | 39 fs | 40 fs | 41 fs | 42 fs | 43 fs | 44 fs | 45 fs | 46 fs | 47 fs | 48 fs | 49 fs | 50 fs | 51 fs | 52 fs | 53 fs | 54 fs | 55 fs | 56 fs | 57 fs | 58 fs | 59 fs | 60 fs | 61 fs | 62 fs | 63 fs | 64 fs | 65 fs | 66 fs | 67 fs | 68 fs | 69 fs | 70 fs | 71 fs | 72 fs | 73 fs | 74 fs | 75 fs | 76 fs | 77 fs | 78 fs | 79 fs | 80 fs | 81 fs | 82 fs | 83 fs | 84 fs | 85 fs | 86 fs | 87 fs | 88 fs | 89 fs | 90 fs | 91 fs | 92 fs | 93 fs | 94 fs | 95 fs | 96 fs | 97 fs | 98 fs | 99 fs | 100 fs |
attosecond | 1 000 as | 2 000 as | 3 000 as | 4 000 as | 5 000 as | 6 000 as | 7 000 as | 8 000 as | 9 000 as | 10 000 as | 11 000 as | 12 000 as | 13 000 as | 14 000 as | 15 000 as | 16 000 as | 17 000 as | 18 000 as | 19 000 as | 20 000 as | 21 000 as | 22 000 as | 23 000 as | 24 000 as | 25 000 as | 26 000 as | 27 000 as | 28 000 as | 29 000 as | 30 000 as | 31 000 as | 32 000 as | 33 000 as | 34 000 as | 35 000 as | 36 000 as | 37 000 as | 38 000 as | 39 000 as | 40 000 as | 41 000 as | 42 000 as | 43 000 as | 44 000 as | 45 000 as | 46 000 as | 47 000 as | 48 000 as | 49 000 as | 50 000 as | 51 000 as | 52 000 as | 53 000 as | 54 000 as | 55 000 as | 56 000 as | 57 000 as | 58 000 as | 59 000 as | 60 000 as | 61 000 as | 62 000 as | 63 000 as | 64 000 as | 65 000 as | 66 000 as | 67 000 as | 68 000 as | 69 000 as | 70 000 as | 71 000 as | 72 000 as | 73 000 as | 74 000 as | 75 000 as | 76 000 as | 77 000 as | 78 000 as | 79 000 as | 80 000 as | 81 000 as | 82 000 as | 83 000 as | 84 000 as | 85 000 as | 86 000 as | 87 000 as | 88 000 as | 89 000 as | 90 000 as | 91 000 as | 92 000 as | 93 000 as | 94 000 as | 95 000 as | 96 000 as | 97 000 as | 98 000 as | 99 000 as | 100 000 as |
Femtosecond is equal to 10-15second (unit of time), comes from a combination of the metric prefix femto (f) with the second (s). Plural name is femseconds with symbol is fs.
Name of unit | Symbol | Definition | Relation to SI units | Unit System |
---|---|---|---|---|
femtosecond | fs | ≡ 10-15 second | ≡ 10-15 second | Metric system SI |
femtoseconds | attoseconds | femtoseconds | attoseconds |
---|---|---|---|
1 | ≡ 1000 | 6 | ≡ 6000 |
2 | ≡ 2000 | 7 | ≡ 7000 |
3 | ≡ 3000 | 8 | ≡ 8000 |
4 | ≡ 4000 | 9 | ≡ 9000 |
5 | ≡ 5000 | 10 | ≡ 10000 |
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 | femtoseconds | attoseconds | femtoseconds |
---|---|---|---|
1 | ≡ 0.001 | 6 | ≡ 0.006 |
2 | ≡ 0.002 | 7 | ≡ 0.007 |
3 | ≡ 0.003 | 8 | ≡ 0.008 |
4 | ≡ 0.004 | 9 | ≡ 0.009 |
5 | ≡ 0.005 | 10 | ≡ 0.01 |
femtoseconds | attoseconds |
---|---|
1 | ≡ 1 000 |
0.001 | ≡ 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 …) |