Date Difference Calculator
Calculate the exact number of days, weeks, months, and years between two dates.
Frequently Asked Questions
How is the date difference calculated?
The tool calculates the exact number of calendar days between the two dates, then converts that into weeks, months, and years.
Can I use this to calculate my age?
Yes. Enter your birth date as the start date and today as the end date. Or use the dedicated Age Calculator for more detail.
Does it include the start date in the count?
The count begins the day after the start date. For example, January 1 to January 3 = 2 days.