A fortnight is two weeks, so 8 weeks would be 4 fortnights.
about 22 fortnights
There are 26 fortnights in a year.
A year typically has 52 weeks, which equals 26 fortnights (since a fortnight is two weeks). Therefore, there are approximately 26 fortnights in a year. In a leap year, there are still 26 fortnights, as the extra day does not complete a full week.
About 104.36 fortnights in four years.
17 years is 443.51 fortnights.
There are 182 fortnights in seven years.
26 fortnights plus one day
4 years = 104.2989417989 fortnights.
2 years = 52.1494708995 fortnights.
Two years is about 52.2 fortnights.
130 fortnights in 5 years.
There a 35 in 5 fortnights 7x5= 35