How do I add days to a date?

Enter your starting date, select "Add", enter the number of days, and click calculate. Our tool handles month boundaries and leap years automatically.

How do I subtract days from a date?

Enter your starting date, select "Subtract", enter the number of days, and click calculate. The result shows the date that many days in the past.

What date is 30 days from now?

Use our calculator with today's date and add 30 days. The result depends on the current date and accounts for varying month lengths.

How do I calculate a date X weeks from now?

Multiply the number of weeks by 7 to get days, then add that to your date. For example, 4 weeks = 28 days. Our calculator can also add weeks directly.

Does adding months account for different month lengths?

Yes, when adding months, if the resulting day doesn't exist (like adding 1 month to January 31), the calculator adjusts to the last valid day of that month.

➕ Add or Subtract Days from a Date

Calculate what date is X days from any date

Start Date

Operation

Amount

Unit

+7 days +14 days +30 days +60 days +90 days +6 months +1 year

How to Use This Calculator

Adding days to a date is straightforward with our calculator. Simply select your starting date, choose whether to add or subtract, enter the number of days (or weeks, months, years), and click Calculate.

Common Date Addition Scenarios

30 days from today: Often used for payment due dates, trial periods, or return policies
60 days from today: Common for notice periods, visa applications, or project milestones
90 days from today: Used for quarterly planning, probation periods, or warranty claims

Frequently Asked Questions

What date is 30 days from today?

Click the "+30 Days" quick button above to instantly find out.

Does this calculator account for leap years?

Yes, our calculator correctly handles leap years. When adding days that cross February in a leap year, the extra day (February 29) is properly accounted for.