Fortnights (fn)
A fortnight is two weeks, 14 days, from the Old English "fēowertīene niht" (fourteen nights).
Convert fortnights to any time unit
1 fortnight = 14 days
Quick facts
- Unit
- Fortnight (plural: fortnights)
- Symbol
- fn
- Measures
- Time / Duration
- System
- Everyday
- Equals
- 1,209,600 seconds
- Definition
- 14 days, two weeks.
1 fortnight in other units
| Days | 14 d |
| Hours | 336 h |
| Minutes | 20,160 min |
| Seconds | 1,209,600 s |
| Years | 0.0383306981 yr |
| Months | 0.4599683772 mo |
| Weeks | 2 wk |
| Milliseconds | 1,209,600,000 ms |
What is a fortnight?
A fortnight is two weeks, 14 days, from the Old English "fēowertīene niht" (fourteen nights). It is common in British, Irish and Australian English, where salaries are often paid fortnightly.
Where the fortnight sits among time units
The fortnight is number 46 of 101 on our scale of time units, ordered from smallest to largest.
Fortnights in real life
One fortnight is about 42 working days, or about 42 transatlantic flights, or about 47% of a lunar month, or about 163 elite marathons.
Top fortnight conversions
Common amounts of fortnights
Convert fortnights to all 100 other units
Everyday
- fn to d
- fn to h
- fn to min
- fn to s
- fn to yr
- fn to mo
- fn to wk
- fn to c
- fn to dec
- fn to ka
- fn to Q
- fn to common year
- fn to leap year
- fn to semester
- fn to 30-day month
- fn to score (20 years)
Metric (SI)
- fn to ms
- fn to µs
- fn to ns
- fn to ps
- fn to fs
- fn to as
- fn to cs
- fn to ks
- fn to ds
- fn to Gs
- fn to Ms
- fn to zs
- fn to ys
- fn to Ts
Astronomical
- fn to a
- fn to sidereal day
- fn to synodic month
- fn to tropical year
- fn to Ma
- fn to sidereal year
- fn to Mars sol
- fn to galactic year
- fn to Ga
- fn to sidereal month
- fn to saros
- fn to Mars year
- fn to Metonic cycle
- fn to Platonic year
- fn to anomalistic year
- fn to draconic year
- fn to Jupiter day
- fn to Sothic cycle
- fn to Venus day
- fn to anomalistic month
- fn to draconic month
- fn to Callippic cycle
- fn to Gaussian year
- fn to Hipparchic cycle
- fn to Pluto year
- fn to sidereal second
- fn to tropical month
Scientific
Historical & cultural
- fn to generation
- fn to olympiad
- fn to baktun
- fn to decimal hour
- fn to 刻
- fn to 时辰
- fn to .beat
- fn to decimal minute
- fn to decimal second
- fn to ghati
- fn to jubilee
- fn to kalpa
- fn to lustrum
- fn to moment (medieval)
- fn to muhurta
- fn to yuga
- fn to cd
- fn to 更
- fn to helek
- fn to indiction
- fn to kalabtun
- fn to katun
- fn to kin (Maya)
- fn to mahayuga
- fn to manvantara
- fn to piktun
- fn to triennium
- fn to tun (Maya)
- fn to vighati
- fn to winal
Everyday comparisons
Convert to fortnights
Frequently asked questions
What is a fortnight?
A fortnight is two weeks, 14 days, from the Old English "fēowertīene niht" (fourteen nights).
How is the fortnight defined?
14 days, two weeks.
How many days are in a fortnight?
One fortnight equals 14 days.
How many hours are in a fortnight?
One fortnight equals 336 hours.
How many minutes are in a fortnight?
One fortnight equals 20,160 minutes.