Future Date Calculator
Free online future date calculator. Add days to a date, plus any combination of weeks, months and years — with optional hours, minutes and seconds — and get the result instantly.
About this tool
Our future date calculator simplifies deadline calculations by adding time intervals to any date. Get exact results for adding days, weeks, or years instantly, with optional support for hours and seconds for high-precision planning. The ideal tool for managing timelines, contract expirations, and delivery logistics.
Features
Main Use Cases
- Project ManagementSet delivery dates by adding week or month sprints to the project start date.
- Contract ControlCalculate exact expiration dates based on duration (e.g. 12 or 24 months) from the signing date.
- Logistics & DeliveriesDetermine maximum delivery deadlines by adding calendar days to the dispatch or purchase date.
How to Use This Tool
Choose a Mode
Select Date for a date-only result, or Date & Time to also include hours, minutes and seconds.
Set a Start Date
Enter the base date (and time, if applicable) from which you want to calculate.
Add an Interval
Fill in one or more offset fields and the result updates automatically.
Common Examples
- •Contract of 6 months: signing on March 1 → expiry on September 1.
- •90-day return policy: purchase on January 10 → deadline on April 10.
- •Project sprint of 3 weeks: start on Monday May 5 → end on Sunday May 25.
Questions and Answers
Yes. Fill in as many offset fields as you need, for example 1 year and 3 months simultaneously, and the calculator combines them all.
Yes. Adding 1 year to February 29, 2024 correctly gives February 28, 2025.
In Date & Time mode you can also add hours, minutes and seconds on top of any day, week, month or year offset.