Pick a start and end date. We'll show the total days, weeks, months, and business days — instantly.
Simply enter your start date and end date in the calculator above, then click "Calculate". The tool will instantly show you the exact number of days, weeks, months, and business days between the two dates. The calculation includes the start date in the count.
Yes, the date calculator is inclusive of the start date. For example, from January 1st to January 3rd gives you 3 days (Jan 1, Jan 2, and Jan 3). This is the most common method for calculating date differences.
Business days (also called working days or weekdays) exclude Saturdays and Sundays from the total count. The calculator counts only Monday through Friday between your selected dates. Note that holidays are not excluded from the business days count.
Absolutely! The date calculator works for any two dates, whether they're in the same year, different years, or even decades apart. It automatically accounts for leap years and varying month lengths to give you accurate results.
Don't worry! The calculator automatically handles this by showing the absolute difference between the dates. Whether you enter the earlier date first or second, you'll get the same result.
Click on the "Age Calculator" tab at the top of the calculator. Enter your birth date as the start date and today's date (or any other date) as the end date. The results will show your age in days, weeks, months, and approximate years.
Yes! DateCalc is completely free to use with no signup required. You can calculate as many date differences as you need, and all calculations happen instantly in your browser.