Free Date Calculator
Find the number of days, weeks, or months between two dates, or add and subtract days from any date. Handles business days and weekends.
Loading tool...
Date Math Made Simple
Need to know how many days until a deadline, or what date falls 90 days from now? This calculator handles all date arithmetic so you never have to count on a calendar manually.
Frequently Asked Questions
Yes. The tool can exclude weekends and count only business days between two dates, which is useful for project planning and deadline tracking.
Select the add/subtract mode, enter a starting date and the number of days to add. The result shows the target date including the day of the week.
Yes. The calculator accounts for months with different lengths and leap years, so results are always accurate.