# How Many Weeks in a Year

**Why use the online how many weeks in a year calculator?**

You can get the exact number of weeks in one year using Mycalcuâ€™s **how many weeks in a year calculator.**

This online calculatorÂ is 100% free.

Check out how many weeks are there in X number of years?

**How does it work?**

This online calculator uses the following formula:

1 year = 52.1429 weeks

Therefore, there are 52.1429 weeks in one year.

And if you want to find out the number of weeks in X years, then

X years= (X x 52.1429) weeks