Count weeks between two dates, add weeks to a date, and convert weeks to days or months. Includes pregnancy weeks, week numbers, and worked examples. This week calculator from date to date makes it easy to find exactly how many weeks between two dates. Whether you're planning a project timeline, tracking pregnancy weeks, or calculating vacation time, our weeks calculator provides instant and accurate results. Calculate the exact number of weeks between any two dates, including whole weeks, remainder days, weekdays, and a week-by-week breakdown table. The weeks between dates calculator measures how many whole weeks — and leftover days — separate two calendar dates. It also reports total days, weekday versus weekend counts, and a years/months/days breakdown so the same span can be described in the language a project, school, or training plan expects. Calculate weeks between two dates or add and subtract weeks from a date. Toggle business weeks (Mon-Fri), inclusive end dates, and decimal output. Use our calculator to calculate the number of weeks between two dates. See several ways to find how many weeks are between dates. Use this Weeks Between Two Dates Calculator when you want to figure the number of weeks and remaining days between two separate dates. Manually counting them off on your calendar is quite time consuming than just quickly enter the dates on this calculator. Use the Weeks Calculator to determine how many weeks fall between two dates, or to add/subtract weeks from any date. Fast, free, and accurate ideal for planning, scheduling, and time tracking. This free date calculator computes the difference between two dates. It can also add to or subtract from a date. Both can deal with business days and holidays. To use the Weeks Calculator, you just need to pick first the operation you want to use - add weeks, subtract weeks or get the weeks between two dates. You just need to enter the values on corresponding inputs and click on Calculate button. Here's a more detailed step by step guide.