Set timer for 3 min. Start the online timer set for three minutes. You can also add or subtract time. Sound alarm notification after three minutes is optional.
How to use 3 minutes timer
The timer will tell you when your 3 minutes has run out. It will then keep counting minutes and seconds upward.
Sound notification (alarm) is optional. You can keep the timer running in the background if you for example open a new tab. If you have sound notification the timer will tell you when time is up.