Add Days To Date

Enter a start date and a number of days to instantly see the resulting date after adding or subtracting those days.

Date & Days

Quick Add

Enter a start date and number of days, then click Calculate.

Copied!

Summary

Enter a start date and a number of days to instantly see the resulting date after adding or subtracting those days.

How it works

  1. Enter or pick your start date using the date input.
  2. Type the number of days to add (use a negative number to subtract).
  3. Click "Calculate" to see the resulting date.
  4. The result shows the full date, the day of the week, and the distance from today.
  5. Click "Copy Result" to copy the resulting date to your clipboard.

Use cases

  • Find a deadline that is 30, 60, or 90 days from a contract start date.
  • Calculate a delivery or shipping date by adding estimated transit days.
  • Determine what date falls a certain number of days before an event.
  • Quickly figure out the day of the week for a future or past date.
  • Count forward from today to plan project milestones.
  • Verify payment due dates by adding net-30 or net-60 day terms.

Frequently Asked Questions

Last updated: 2026-06-09 · Reviewed by Nham Vu