Answer: Femtoseconds is a unit of time measurement. It is a SI multiple of time unit second.
Answer: 1 Femtoseconds time unit is equal to 1.00E-15 seconds.
Symbol : fs
So 1 femtoseconds = 1.00E-15 second.
Example : 5 femtoseconds = 1.00E-15 X 5 seconds.
Or we can say, 5 fs = 5.0E-15 s.
Using this table compare One femtoseconds with other time measurements units.
| 1000 attoseconds | 1.0E-13 centiseconds |
| 1.0E-16 decaseconds | 1.0E-14 deciseconds |
| 1.0E-33 exaseconds | 1 femtoseconds |
| 1.0E-24 gigaseconds | 1.0E-17 hectoseconds |
| 1.0E-15 seconds | 1.0E-18 kiloseconds |
| 1.0E-21 megaseconds | 1.0E-9 microseconds |
| 1.0E-12 milliseconds | 1.0E-6 nanoseconds |
| 1.0E-30 petaseconds | 0.001 picoseconds |
| 1.0E-27 teraseconds | 1000000000 yoctoseconds |
| 1.0E-39 yottaseconds | 1000000 zeptoseconds |
| 1.0E-36 zettaseconds | 1.6666666666667E-17 minutes |
| 1.0E-7 shakes | 4.2372881355932E-22 sidereal-months |
| 3.1645569620253E-23 sidereal-years | 3.921568627451E-22 synodic-month |
| 4.2372881355932E-22 tropical-months | 3.1645569620253E-23 tropical-years |
| 1.6528925619835E-21 weeks | 4.2016806722689E-22 anomalistic-months |
| 3.1645569620253E-23 anomalistic-years | 3.1746031746032E-25 centuries |
| 1.1574074074074E-20 days | 3.1709791983765E-24 decades |
| 4.2532634507857E-22 draconic-months | 3.3391239798088E-23 draconic-years |
| 8.2671957671958E-22 fortnights | 3.1688738506811E-23 gaussian-years |
| 2.7777777777778E-19 hours | 3.8025705376835E-22 julian-months |
| 3.1688087814029E-23 julian-years | 3.2660987312905E-23 lunar-years |
| 3.1709791983765E-26 millennia | 1.8552875695733E+28 planck-times |
| 3.8026486208174E-22 months | 3.1688738506811E-23 years |
