femtosecond
Sign in to saveAlso known as 1 E-15 s, fs
A femtosecond is a unit of time in the International System of Units (SI) equal to 10 or of a second; that is, one quadrillionth, or one millionth of one billionth, of a second.
Key facts
- Unit.name
- femtosecond
- Unit.symbol
- fs
- Unit.standard
- SI
- Unit.quantity
- time
- Unit.units1
- SI units
via Wikipedia infobox
Wikidata facts
- Instance of
- SI derived unit
Show 3 more facts
- conversion to SI unit
- 0.000000000000001
- unit symbol
- fs
- Wikidata SPARQL query equivalent
- wd:Q1777507 p:P2370/psn:P2370 [wikibase:quantityAmount ?source; wikibase:quantityUnit ?base]. ?item p:P2370/psn:P2370 [wikibase:quantityAmount ?target; wikibase:quantityUnit ?base]. BIND(?source / ?target as ?value)
Sources (3)
via Wikidata · CC0
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Encyclopedic overview
3 sectionsContents
- Examples
- See also
- References
A femtosecond is a unit of time in the International System of Units (SI) equal to 10 or of a second; that is, one quadrillionth, or one millionth of one billionth, of a second.
A femtosecond is to a second, as a second is to approximately 31.69 million years.
Excerpted from Wikipedia’s “femtosecond” article, available under the CC BY-SA 4.0 licence.