Date Difference Calculator

Calculate the exact duration between two dates in years, months, weeks, and days.

Select dates and click calculate
to see the results

How to Use

  1. 1

    Pick a Start Date from the calendar.

  2. 2

    Pick an End Date (past or future).

  3. 3

    Click Calculate Duration to see the results.

  4. 4

    The results are broken down into years, months, days, and even minutes.

📖 Want to learn more?

Read our in-depth guide: tips, best practices, FAQs, and real-world examples.

  • We use absolute values, so the order of dates doesn't matter.
  • Our calculator accounts for variation in month lengths (28-31 days).
  • Useful for project timelines, age calculation, or countdowns.
Full Guide