Add or subtract
Choose a starting date and enter the number of days you want to add or subtract. The calculator gives you the exact resulting date.
FREE ONLINE CALCULATOR
Date Calculator
Calculate dates, add or subtract days, and find the exact number of days between two dates.
01 Enter your details
Choose the starting date
Enter how many days to add or subtract
QUICK DAYS
Calculate any date
Add or subtract days from a date, or find exactly how many days are between two dates.
01 Choose a calculation
02 Enter your dates
03 Click calculate
02 Enter your dates
03 Click calculate
HOW IT WORKS
Dates made simple.
Compare dates
Select two dates to find the exact number of days between them, along with approximate weeks and months.
Plan ahead
Use the calculator for deadlines, travel, deliveries, events, contracts, projects and important dates.
WHERE TO USE IT
Useful for everyday planning.
Travel
Calculate check-in dates, trip durations, visa periods and return dates.
Work & deadlines
Find future deadlines and calculate how long a project, contract or task lasts.
Events
Calculate the number of days until birthdays, weddings, holidays and other important events.