Smart Calcs
All Calculators

Countdown Timer

Set a duration, start the countdown, and get an alert when time reaches zero.

05:00

How to use

Enter minutes and seconds, press Start, and the timer counts down. Pause to hold remaining time; Reset clears the session.

FAQ

  • Sound alert? A short beep plays when the countdown finishes (if audio is allowed).
  • Maximum duration? Up to 999 minutes in the minute field.
  • Rest timer for gym? Yes — common for sets, stretches, or cooking timers.
  • Mobile friendly? Large buttons and display work on phones.