Weeks (wk)
The week is a period of seven days. It is not tied to any astronomical cycle; the seven-day week comes from ancient Babylon and was spread by Judaism, Chri
Convert weeks to any time unit
1 week = 7 days
Quick facts
- Unit
- Week (plural: weeks)
- Symbol
- wk
- Measures
- Time / Duration
- System
- Everyday
- Equals
- 604,800 seconds
- Definition
- 7 days, 604,800 seconds.
1 week in other units
| Days | 7 d |
| Hours | 168 h |
| Minutes | 10,080 min |
| Seconds | 604,800 s |
| Years | 0.01916534905 yr |
| Months | 0.2299841886 mo |
| Milliseconds | 604,800,000 ms |
| Centuries | 0.000191653491 c |
What is a week?
The week is a period of seven days. It is not tied to any astronomical cycle; the seven-day week comes from ancient Babylon and was spread by Judaism, Christianity and Islam, and the days are named after the seven classical planets in many languages.
Where the week sits among time units
The week is number 44 of 101 on our scale of time units, ordered from smallest to largest.
What weeks are used for
- Work and school schedules
- Pregnancy dating (40 weeks)
- Pay periods and rent
Weeks in real life
- A full-term pregnancy is about 40 weeks
- A year has about 52.18 weeks
- A fortnight is 2 weeks
One week is about 21 working days, or about 21 transatlantic flights, or about 82 elite marathons, or about 84 feature films.
Top week conversions
Common amounts of weeks
- 0.1 wk
- 0.2 wk
- 0.3 wk
- 0.4 wk
- 0.5 wk
- 0.6 wk
- 0.7 wk
- 0.8 wk
- 0.9 wk
- 1 wk
- 1.5 wk
- 2 wk
- 2.5 wk
- 3 wk
- 3.5 wk
- 4 wk
- 4.5 wk
- 5 wk
- 6 wk
- 7 wk
- 7.5 wk
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- 44 wk
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- 1,000 wk
- 1,200 wk
- 1,500 wk
- 2,000 wk
- 2,500 wk
- 3,000 wk
- 4,000 wk
- 5,000 wk
- 10,000 wk
Convert weeks to all 100 other units
Everyday
- wk to d
- wk to h
- wk to min
- wk to s
- wk to yr
- wk to mo
- wk to c
- wk to dec
- wk to ka
- wk to fn
- wk to Q
- wk to common year
- wk to leap year
- wk to semester
- wk to 30-day month
- wk to score (20 years)
Metric (SI)
- wk to ms
- wk to µs
- wk to ns
- wk to ps
- wk to fs
- wk to as
- wk to cs
- wk to ks
- wk to ds
- wk to Gs
- wk to Ms
- wk to zs
- wk to ys
- wk to Ts
Astronomical
- wk to a
- wk to sidereal day
- wk to synodic month
- wk to tropical year
- wk to Ma
- wk to sidereal year
- wk to Mars sol
- wk to galactic year
- wk to Ga
- wk to sidereal month
- wk to saros
- wk to Mars year
- wk to Metonic cycle
- wk to Platonic year
- wk to anomalistic year
- wk to draconic year
- wk to Jupiter day
- wk to Sothic cycle
- wk to Venus day
- wk to anomalistic month
- wk to draconic month
- wk to Callippic cycle
- wk to Gaussian year
- wk to Hipparchic cycle
- wk to Pluto year
- wk to sidereal second
- wk to tropical month
Scientific
Historical & cultural
- wk to generation
- wk to olympiad
- wk to baktun
- wk to decimal hour
- wk to 刻
- wk to 时辰
- wk to .beat
- wk to decimal minute
- wk to decimal second
- wk to ghati
- wk to jubilee
- wk to kalpa
- wk to lustrum
- wk to moment (medieval)
- wk to muhurta
- wk to yuga
- wk to cd
- wk to 更
- wk to helek
- wk to indiction
- wk to kalabtun
- wk to katun
- wk to kin (Maya)
- wk to mahayuga
- wk to manvantara
- wk to piktun
- wk to triennium
- wk to tun (Maya)
- wk to vighati
- wk to winal
Everyday comparisons
Convert to weeks
Frequently asked questions
What is a week?
The week is a period of seven days. It is not tied to any astronomical cycle; the seven-day week comes from ancient Babylon and was spread by Judaism, Chri
How is the week defined?
7 days, 604,800 seconds.
How many days are in a week?
One week equals 7 days.
How many hours are in a week?
One week equals 168 hours.
How many minutes are in a week?
One week equals 10,080 minutes.