Date Duration Calculator
Calculate the exact duration between two dates in multiple formats.
Duration
1 year, 0 days
Total Days
365
Total Weeks
52.1
Total Hours
8,760
How to Use Date Duration Calculator
Step 1
Select a start date.
Step 2
Select an end date.
Step 3
Toggle whether to include the end date in the count.
Step 4
View the duration in years, months, days, weeks, and hours.
Features
Shows duration in years, months, and days.
Total days, weeks, and hours calculations.
Option to include or exclude the end date.
Accounts for leap years and varying month lengths.
Completely free with no data sent to any server.
FAQ
The calculator computes the exact difference between two dates, breaking it down into years, months, and days. It also shows the total in days, weeks, and hours for convenience.
Yes. The calculation uses actual calendar dates, so leap years and varying month lengths are automatically handled.
When enabled, the end date is counted as a full day in the duration. For example, January 1 to January 2 with the end date included would be 2 days instead of 1.
Yes, the date duration calculator is completely free and runs entirely in your browser with no data sent to any server.