Days Between Dates Calculator

Summary

Enter two dates to instantly see the exact number of days between them, plus totals in weeks, months, and years.

How it works

1. Enter a start date using the date picker or click "Today" to use today's date.
2. Enter an end date, or pick a quick preset such as "In 30 days" or "In 1 year".
3. The result updates instantly — no button press needed.
4. Read the primary day count in large digits at the top of the result panel.
5. Scroll down to see the same interval expressed in weeks, months, and years.
6. Click any copy button to copy that value to your clipboard.

Use cases

• Count days until an event, deadline, or vacation.
• Calculate how many days have passed since a past date.
• Plan project timelines by measuring intervals in days and weeks.
• Verify contract or subscription durations.
• Determine age in days for a person or asset.
• Check how many days remain until a product expires.
• Compute study or training periods for scheduling.
• Confirm billing cycles expressed as a number of days.

Frequently Asked Questions