Date Difference Calculator

Count calendar days between two dates, including elapsed and inclusive day totals

Date Difference Calculator

How to Use

The date difference calculator finds elapsed calendar days, inclusive days, weeks, months, and years between any two dates you choose.

  1. Select your start date using the date picker or click "Today" to use today's date
  2. Select your end date
  3. Click Calculate Difference to see the results

For examples, FAQs, and the canonical days-between-dates guide, use the Days Between Dates Calculator.

Common Uses

  • Calculate age in days
  • Find days until an event
  • Track project timelines
  • Calculate billing periods
  • Plan ahead for deadlines