Days Between Dates
Calculate the exact number of days, weeks, months, and years between two dates. Free online date difference calculator.
When to Use
Use to calculate project durations, deadlines, event intervals, or age milestones.
How to Use Days Between Dates
- Enter the start date.
- Enter the end date.
- Instantly see the number of days, weeks, months and years between them.
Examples
Vacation duration
Input: June 1 to June 15
Output: 14 days, 2 weeks
Frequently Asked Questions
Does this include both the start and end date?
The result shows the difference — for example, June 1 to June 15 is 14 days.
Can I swap the start and end dates?
Yes — click the swap button (⇄) to reverse the dates. The result always shows the absolute difference.