Days Between Dates Calculator
Calculate the exact number of days, weeks, and months between any two calendar dates.
The order of dates does not matter — the calculator always shows the positive difference.
Result
Total Days
364
Weeks + Days
52 weeks, 0 days
Months + Days
11 months, 34 days
How to use the days between dates calculator?
Select a start date and an end date using the date pickers. The calculator shows the total number of days between them, broken down into weeks and days, as well as months and days. You do not need to enter the dates in chronological order — the result is always a positive number.
Example
Between January 1, 2025 and December 31, 2025, there are exactly 365 days — equivalent to 52 weeks and 1 day, or 11 months and 30 days. The leap year check is automatic.
FAQs
- Does it handle leap years? Yes — the calculation is based on actual calendar dates, so leap years are counted correctly.
- Can I calculate age in days? Enter your date of birth as the start date and today as the end date to get your age in days, weeks, and months.
- What is the maximum date range? There is no practical limit — any two valid calendar dates supported by the browser will work.
Common Use Cases
- Counting days until a deadline, event, or contract expiry.
- Calculating the exact duration of a project or trip.
- Determining the number of days between payment due dates for billing cycles.