›› Measurement unit: fortnight

Full name: fortnight

Plural form: fortnights

Category type: time

Scale factor: 1209600

›› SI unit: second

The SI base unit for time is the second.
1 second is equal to 8.2671957671958E-7 fortnight.

›› Convert fortnight to another unit

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›› Definition: Fortnight

A fortnight is a unit of measurement of time equal to two weeks: that is 14 days, or literally 14 nights. The term is most commonly used in British English. It derives from the Old English feowertiene niht, meaning "fourteen nights".

›› Sample conversions: fortnight

fortnight to tropical year
fortnight to Julian year
fortnight to Julian month
fortnight to synodic month
fortnight to decade
fortnight to sidereal year
fortnight to shake
fortnight to draconic year
fortnight to lunar year