| second | 1 s | 2 s | 3 s | 4 s | 5 s | 6 s | 7 s | 8 s | 9 s | 10 s | 11 s | 12 s | 13 s | 14 s | 15 s | 16 s | 17 s | 18 s | 19 s | 20 s | 21 s | 22 s | 23 s | 24 s | 25 s | 26 s | 27 s | 28 s | 29 s | 30 s | 31 s | 32 s | 33 s | 34 s | 35 s | 36 s | 37 s | 38 s | 39 s | 40 s | 41 s | 42 s | 43 s | 44 s | 45 s | 46 s | 47 s | 48 s | 49 s | 50 s | 51 s | 52 s | 53 s | 54 s | 55 s | 56 s | 57 s | 58 s | 59 s | 60 s | 61 s | 62 s | 63 s | 64 s | 65 s | 66 s | 67 s | 68 s | 69 s | 70 s | 71 s | 72 s | 73 s | 74 s | 75 s | 76 s | 77 s | 78 s | 79 s | 80 s | 81 s | 82 s | 83 s | 84 s | 85 s | 86 s | 87 s | 88 s | 89 s | 90 s | 91 s | 92 s | 93 s | 94 s | 95 s | 96 s | 97 s | 98 s | 99 s | 100 s |
| femtosecond | 1.0 × 1015 fs | 2.0 × 1015 fs | 3.0 × 1015 fs | 4.0 × 1015 fs | 5.0 × 1015 fs | 6.0 × 1015 fs | 7.0 × 1015 fs | 8.0 × 1015 fs | 9.0 × 1015 fs | 1.0 × 1016 fs | 1.1 × 1016 fs | 1.2 × 1016 fs | 1.3 × 1016 fs | 1.4 × 1016 fs | 1.5 × 1016 fs | 1.6 × 1016 fs | 1.7 × 1016 fs | 1.8 × 1016 fs | 1.9 × 1016 fs | 2.0 × 1016 fs | 2.1 × 1016 fs | 2.2 × 1016 fs | 2.3 × 1016 fs | 2.4 × 1016 fs | 2.5 × 1016 fs | 2.6 × 1016 fs | 2.7 × 1016 fs | 2.8 × 1016 fs | 2.9 × 1016 fs | 3.0 × 1016 fs | 3.1 × 1016 fs | 3.2 × 1016 fs | 3.3 × 1016 fs | 3.4 × 1016 fs | 3.5 × 1016 fs | 3.6 × 1016 fs | 3.7 × 1016 fs | 3.8 × 1016 fs | 3.9 × 1016 fs | 4.0 × 1016 fs | 4.1 × 1016 fs | 4.2 × 1016 fs | 4.3 × 1016 fs | 4.4 × 1016 fs | 4.5 × 1016 fs | 4.6 × 1016 fs | 4.7 × 1016 fs | 4.8 × 1016 fs | 4.9 × 1016 fs | 5.0 × 1016 fs | 5.1 × 1016 fs | 5.2 × 1016 fs | 5.3 × 1016 fs | 5.4 × 1016 fs | 5.5 × 1016 fs | 5.6 × 1016 fs | 5.7 × 1016 fs | 5.8 × 1016 fs | 5.9 × 1016 fs | 6.0 × 1016 fs | 6.1 × 1016 fs | 6.2 × 1016 fs | 6.3 × 1016 fs | 6.4 × 1016 fs | 6.5 × 1016 fs | 6.6 × 1016 fs | 6.7 × 1016 fs | 6.8 × 1016 fs | 6.9 × 1016 fs | 7.0 × 1016 fs | 7.1 × 1016 fs | 7.2 × 1016 fs | 7.3 × 1016 fs | 7.4 × 1016 fs | 7.5 × 1016 fs | 7.6 × 1016 fs | 7.7 × 1016 fs | 7.8 × 1016 fs | 7.9 × 1016 fs | 8.0 × 1016 fs | 8.1 × 1016 fs | 8.2 × 1016 fs | 8.3 × 1016 fs | 8.4 × 1016 fs | 8.5 × 1016 fs | 8.6 × 1016 fs | 8.7 × 1016 fs | 8.8 × 1016 fs | 8.9 × 1016 fs | 9.0 × 1016 fs | 9.1 × 1016 fs | 9.2 × 1016 fs | 9.3 × 1016 fs | 9.4 × 1016 fs | 9.5 × 1016 fs | 9.6 × 1016 fs | 9.7 × 1016 fs | 9.8 × 1016 fs | 9.9 × 1016 fs | 1.0 × 1017 fs |
The second (symbol: s) (abbreviated s or sec) is the base unit of time in the International System of Units / Système International d'Unités (SI).
| 1 seconds ≡ 1.0E+15 femtoseconds | 6 seconds ≡ 6.0E+15 femtoseconds |
| 2 seconds ≡ 2.0E+15 femtoseconds | 7 seconds ≡ 7.0E+15 femtoseconds |
| 3 seconds ≡ 3.0E+15 femtoseconds | 8 seconds ≡ 8.0E+15 femtoseconds |
| 4 seconds ≡ 4.0E+15 femtoseconds | 9 seconds ≡ 9.0E+15 femtoseconds |
| 5 seconds ≡ 5.0E+15 femtoseconds | 10 seconds ≡ 1.0E+16 femtoseconds |
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.
| 1 femtoseconds ≡ 1.0E-15 seconds | 6 femtoseconds ≡ 6.0E-15 seconds |
| 2 femtoseconds ≡ 2.0E-15 seconds | 7 femtoseconds ≡ 7.0E-15 seconds |
| 3 femtoseconds ≡ 3.0E-15 seconds | 8 femtoseconds ≡ 8.0E-15 seconds |
| 4 femtoseconds ≡ 4.0E-15 seconds | 9 femtoseconds ≡ 9.0E-15 seconds |
| 5 femtoseconds ≡ 5.0E-15 seconds | 10 femtoseconds ≡ 1.0E-14 seconds |
| 1 seconds ≡ 1.0 × 1015 femtoseconds |
| 1 femtoseconds ≡ 1.0 × 10-15 seconds |