Weeks Between Dates Calculator

Calculate the number of weeks between any two dates

Start Year

Start Month

Start Day

End Year

End Month

End Day

Formula

Weeks = floor(|End Date - Start Date| / 7)

How do you calculate weeks between two dates?

Divide the total number of days between the two dates by 7. For example, if there are 30 days between two dates, that equals 4 weeks and 2 days.

Does the calculator account for leap years?

Yes. The calculator uses actual calendar dates and correctly handles leap years, so February 29 is included in leap year calculations.

What if the start date is after the end date?

The calculator uses the absolute difference, so the result is always a positive number regardless of the order of the dates.

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