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

Days14 d
Hours336 h
Minutes20,160 min
Seconds1,209,600 s
Years0.0383306981 yr
Months0.4599683772 mo
Weeks2 wk
Milliseconds1,209,600,000 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

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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.