How Many Weeks Are Between Two Dates? · Simple Online Calculator

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Calculator: weeks between two dates

Change the start and end dates below to calculate the number of weeks between the dates.Start date:Wed, Sep 10, 2025End date: Sun, Nov 2, 2025

7weeks4days

How to calculate the number of weeks between two dates

To calculate the number of weeks between two dates, start by counting the number of days between the start and end date. Then, divide that number by 7 days per week.(Start date - End date) / 7 days per week = Weeks between two dates (with decimal)Example(3/15/2021 - 3/2/2021) = 13 days13 days / 7 days per week = 1.857 weeksThen, convert the decimal point into a number of days. It’s much easier to understand 1 week 6 days than it is 1.857 weeks:RoundDown(Start date - End Date) / 7 days per week = # of weeksRemainder(Start date - End Date, 7) = # of daysExampleRoundDown((3/15/2021 - 3/2/2021) / 7, 0) = 1 weekRemainder(3/15/2021 - 3/2/2021, 7) = 6 days

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