Day Calculator / Date Calculator (How many days until...)

A day calculator, also often called a date calculator, is a useful tool that calculates the number of days between two specific dates. In some advanced versions, a day calculator can also calculate the difference in other time units such as weeks, months or years.

Day Calculator

Day Calculator

Start date:
End date:
Additional days:

A day calculator is versatile. It is helpful for: 

Project management:

Do you need the days from project start to finish? The calculator provides precise data.

Travel Planning:

When wondering how many days you spend in one place, the day calculator is useful.

Event scheduling:

Planning events like weddings, conferences or birthdays? A day calculator determines the remaining days.

Health and fitness:

For pregnancies or training programs, the day calculator helps track the duration.


In Finance, the Day Calculator determines expiration dates of financial products or the number of days for interest.
Scroll to Top