Convert weeks to fortnights
Weeks to fortnights. Enter a value to convert, or use the weeks to fortnights chart further down the page.
1 week equals 0.5 fortnights. Going the other way, 1 fortnight = 2 weeks.
Note. Months and years are not fixed lengths. This converter uses the average Gregorian year of 365.2425 days and the average month of one twelfth of that.
How to convert weeks to fortnights
To convert weeks to fortnights, multiply the week value by 0.5. You can also divide by 2 to get the same answer.
fn = wk × 0.5
Worked example
Convert 30 wk to fortnights:
30 wk = 15 fn
weeks to fortnights conversion chart
Use this weeks to fortnights table for quick reference without typing anything.
| weeks (wk) | fortnights (fn) |
|---|---|
| 1 wk | 0.5 fn |
| 2 wk | 1 fn |
| 5 wk | 2.5 fn |
| 10 wk | 5 fn |
| 15 wk | 7.5 fn |
| 30 wk | 15 fn |
| 45 wk | 22.5 fn |
| 60 wk | 30 fn |
| 100 wk | 50 fn |
| 1,000 wk | 500 fn |
What is a week?
A week is 7 days, or exactly 604,800 seconds. Unlike the month and the year it has no astronomical basis.
What is a fortnight?
The fortnight (fn) is a unit of time equal to 1209600 seconds.
Frequently asked questions
How many fortnights are in a week?
1 weeks equals 0.5 fortnights. Going the other way, 1 fortnights is 2 weeks.
How do you convert weeks to fortnights?
To convert weeks to fortnights, multiply the week value by 0.5. You can also divide by 2 to get the same answer.
What is 10 weeks in fortnights?
10 weeks equals 5 fortnights. The conversion chart on this page lists the other values people look up most often.
Related time conversions
Convert weeks to other units
- fortnights to weeks
- weeks to seconds
- weeks to minutes
- weeks to hours
- weeks to days
- weeks to months
- weeks to years
- weeks to milliseconds
Convert other units to fortnights
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