Add Days to a Date: how it works
Useful for deadlines, notice periods, warranty ends, visa stays and project plans. Choose working days to skip weekends.
How to add or subtract Days, weeks or months
- Enter your numbers (or keep the example).
- The result updates instantly as you type.
- Copy the result, or copy the link: it keeps your numbers so you can share them.
How it's calculated
Months and years are added on the calendar (31 January + 1 month = 3 March in non-leap years, as JavaScript dates roll over).
Features
- Instant resultsUpdates as you type.
- Shareable linkThe URL keeps your inputs.
- Reference tableCommon values on this page.
- Works offlineRuns in your browser.
Frequently asked questions
Is the Add Days to a Date free?
Yes, the Add Days to a Date is free with no sign-up, no limits and no ads covering the result.
Does it work on my phone?
Yes. It works in any modern browser on phones, tablets and computers, and keeps working offline once the page has loaded.
Last updated · Processing happens locally in your browser.