The week is a unit of time equal to 7 days, or 604,800 seconds.

A fortnight is a unit of time equal to 14 days, or two weeks (1,209,600 seconds).

Where is Week used in everyday life?

Pay periods (biweekly), pregnancy tracking (40 weeks), sprint cycles in agile development, and workout schedules.

What are common mistakes when converting Week?

Assuming months are exactly 4 weeks — most months are 4.3 weeks (30–31 days). Only February in non-leap years is exactly 4 weeks.

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Week to Fortnight

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"1" Week

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Week (wk)

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Picosecond(ps)Copy Answer
Femtosecond(fs)Copy Answer
Attosecond(as)Copy Answer
Nanosecond(ns)Copy Answer
Microsecond(µs)Copy Answer
Millisecond(ms)Copy Answer
Second(s)Copy Answer
Minute(min)Copy Answer
Hour(h)Copy Answer
Day(d)Copy Answer
Fortnight(fn)Copy Answer
Month (Average)(mo)Copy Answer
Month (Synodic)(mo (syn))Copy Answer
Year (365 days)(yr)Copy Answer
Year (Julian)(yr (Jul))Copy Answer
Year (Leap)(yr (Leap))Copy Answer
Year (Tropical)(yr (Trop))Copy Answer
Year (Sidereal)(yr (Sid))Copy Answer
Day (Sidereal)(d (Sid))Copy Answer
Hour (Sidereal)(h (Sid))Copy Answer
Minute (Sidereal)(min (Sid))Copy Answer
Second (Sidereal)(s (Sid))Copy Answer
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27 conversions shown

How to Convert Week to Fortnight

To convert weeks to days: multiply by 7. To convert weeks to hours: multiply by 168.

1 wk = 7 d = 168 h = 10,080 min = 604,800 s. A year has about 52.18 weeks.

For example, 1 Week (wk) = 0.5 Fortnight (fn).