How many weeks in a year
There are exactly 52.1429 weeks in a year, or 52 weeks plus one day.
To calculate the number of weeks in a year, we need to consider the number of days in a year, which is 365, then we divide the number of days in a year by 7, since there are 7 days in a week:
365 days in a year / 7 days per week = 52.1429 weeks
How many weeks in a leap year
There are 52,2857 weeks in a leap year, or 52 weeks plus two days.
Leap years have an extra day, so we can use the same procedure to calculate the number of weeks in a leap year: 365 days in a leap year / 7 days per week = 52.2857 weeks
Check on this table how many weeks are there in each year:
| Year | Number of Weeks | Number of Full Weeks and Days |
| 2025 | 52.1429 | 52 weeks and one day |
| 2025 | 52.2857 | 52 weeks and two days |
| 2025 | 52.1429 | 52 weeks and one day |
| 2026 | 52.1429 | 52 weeks and one day |
| 2027 | 52.1429 | 52 weeks and one day |
| 2028 | 52.2857 | 52 weeks and two days |
| 2029 | 52.1429 | 52 weeks and one day |
| 2030 | 52.1429 | 52 weeks and one day |
| 2031 | 52.1429 | 52 weeks and one day |
| 2032 | 52.2857 | 52 weeks and two days |
How many weeks in half a year
There are 26 weeks in half a year: since we have know that there are 52 weeks in an entire year, we can easily find the number of weeks in half a year by dividing 52/2 = 26
How many weeks in a year and a half
There are 78 weeks in a year and a half: 52 weeks in an entire year + 26 weeks in half a year = 78 weeks
Understanding these simple examples you will be able to easily find how many weeks are there in any amount of years.