Countdown Calculator
A free, browser-based calculator. Runs entirely in your browser — no sign up, nothing stored.
100% FreeRuns in your browserBasic
Enter details
Result
Enter the details to see your result.
Runs in your browser. Your inputs are not saved or transmitted.
How to use this calculator
- Enter a target date & time.
- Watch the live countdown of days, hours, minutes and seconds.
How it works
Counts down from now to your target, updating every second in your browser. After the target it counts up (time since).
Worked example
New Year. Set 1 Jan next year to see the days, hours and minutes remaining.
Tips
- Runs entirely in your browser. Your inputs are not saved or transmitted.
Frequently asked questions
Does it keep ticking?
Yes, it updates live while the page is open.
Privacy?
Runs entirely in your browser. Your inputs are not saved or transmitted.
Related tools
Tip: Enter any known values to calculate the remaining results.
All calculations run in your browser. Your inputs are never saved or transmitted.