Date Calculator

Free Date Calculator

Use this free date calculator to add or subtract days, weeks, months and years from any selected date.

This tool is useful for planning deadlines, project timelines, appointments, travel dates, school schedules and personal events.

How to Use the Date Calculator

• Select the start date.
• Choose Add or Subtract.
• Enter the number.
• Select days, weeks, months or years.
• Click Calculate Date to see the result instantly.

Features

• Add days, weeks, months or years to a date.
• Subtract days, weeks, months or years from a date.
• Uses dropdown date selection to avoid typing mistakes.
• Mobile-friendly and easy to use.

Frequently Asked Questions

How do I add days to a date?

Select a start date, enter the number of days you want to add, and click Calculate. The calculator will show the resulting future date instantly.

Can I subtract days from a date?

Yes, you can subtract days, weeks, months, or years from any date to find a past date. Just enter a negative value or use the subtract option.

Is the date calculator free?

Yes, completely free with no sign-up or registration required.

What date will it be 90 days from today?

To find out what date it will be 90 days from today, select today's date as your start date, enter 90 in the days field, and click Calculate. The result will show the exact future date.

Related Calculators

Want to find the number of days between two specific dates instead? Use our days between dates calculator. If you only need business days, try our work days calculator to count weekdays between two dates. Or find out how many days until your birthday with our birthday countdown tool.