1 E-15 s

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Orders of
magnitude (time)

in E notation

Planck time
1 E-25 s
1 E-24 s
1 E-21 s
1 E-18 s
1 E-17 s
1 E-16 s
1 E-15 s
1 E-14 s
1 E-13 s
1 E-12 s
1 E-11 s
1 E-10 s
1 E-9 s
1 E-8 s
1 E-7 s
1 E-6 s
1 E-5 s
1 E-4 s
1 E-3 s
1 E-2 s
1 E-1 s

1 E0 s
1 E1 s
1 E2 s
1 E3 s
1 E4 s
1 E5 s
1 E6 s
1 E7 s
1 E8 s
1 E9 s
1 E10 s
1 E11 s
1 E12 s
1 E13 s
1 E14 s
1 E15 s
1 E16 s
1 E17 s
1 E18 s
1 E19 s and more

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To help compare orders of magnitude of different times this page lists times between 10−15 second and 10−12 second (1 femtosecond and 1 picosecond). A femtosecond is one billionth of one millionth of a second. For context, a femtosecond is to a second, what a second is to about 32 million years. See also times of other orders of magnitude.

  • shorter times
  • A few femtoseconds is the typical time step for a molecular dynamics simulation
  • 1.3 femtoseconds (fs) – cycle time for 390 nanometre light, transition from visible light to ultraviolet
  • 2.57 femtoseconds – cycle time for 770 nanometre light, transition from visible light to near-infrared
  • 200 femtoseconds – the swiftest chemical reactions, such as the reaction of pigments in an eye to light
  • 300 femtoseconds – the duration of a vibration of the atoms in an iodine molecule
  • longer times

[edit] See also