How many weeks in a year?

Online calculator to find the number of weeks in a year.

There are 52 weeks and 1 day in a year.

Every four years is a

leap year⁠

, which has 52 weeks and 2 days.

From

Calendar year

Swap

Week

Input a number

Result

52.1

1 of 1

⁠

The number of weeks in a year is calculated by dividing the number of days in a year by 7 days in a week:

Commmon year: 365 days per common year / 7 days per week = 52.1429 weeks per common year

Leap year: 366 days per leap year / 7 days per week = 52.2857 weeks per leap year

In a

leap year⁠

, there are 366 days (with the addition of Feb 29), which means there are

52.2857

⁠

weeks in a leap year. Either way, it’s correct to say there are about 52 weeks in a year.

⁠

What week of the year is it?⁠

⁠

How many weeks in a month?⁠

⁠

When is the next leap year?⁠

⁠

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