Days Between Dates Calculator

Calculate duration, exact age, or countdown to an event.

Start Date

End Date

Total Days

- Years

- Months

- Weeks

Common Uses

Age Calculator: Enter your birthdate as "Start" and today as "End" to see exactly how many days you've been alive.
Vacation Countdown: How many days until your trip?
Project Deadlines: Calculate the exact duration of a project sprint.
Relationship Calculator: "How long have we been together?"