The stopwatch runs in the browser and measures time elapsed in hours, minutes, seconds, and milliseconds.
It is convenient because there is nothing to install. You can just press start.
How This Stopwatch Works
A stopwatch is a digital device that counts time upward from 00:00:00.000. It measures time elapsed using the clock on your device and the high-resolution timer your browser supports.
- Hours
- Minutes
- Seconds
- Milliseconds
Time runs continuously until you press stop or reset.
How to Use the Stopwatch
Start Timing
To start counting time from zero, press start.
The stopwatch updates the time in real duration.
Pause and Resume
To pause the stopwatch, press stop.
To resume, press Start again.
The time is resumed, and the stopwatch continues from where it was paused.
The pause and resume operations can be done using the space key.
Record Lap Times
To record an intermediate time, press the lap button (L) while the stopwatch is running.
The stopwatch continues to count time.
The lap time is the time recorded at that moment.
To record a lap, use the L key.
Reset the Stopwatch
To clear the stopwatch and return it to 00:00:00.000, press the reset button (R).
To reset it instantly, use the R key.
Accuracy and Precision
The high-resolution timer your browser supports, and internal clock timing are the methods this stopwatch uses to measure time.
It offers:
- Top of the line accuracy
- Real-time tracking
- Fast and reliable performance
Whether you want to track a study session, workout, or classroom activity, this stopwatch can do the job. For lab, medical, or competition timing, we suggest specialised hardware.
Full Screen Mode
This option allows a larger display for a more focused view with no distractions
This feature can be helpful when you want to show:
- Workout timers
- Presentation timers
- Stream overlays
- Displays for the audience
- Activities for the group
The display is large enough for everyone to see from far away.
This Online Stopwatch is popular for:
- Productivity and study timers
- Fitness with intervals
- Speedrun timers
- Timers for chess/board games
- Classroom timers
- Reaction time
- Stream timers
Anything that needs a timer, this stopwatch can do.
Stopwatch vs Timer
A stopwatch is used to count up time.
A timer is used for counting down.
If you need to count down to a time, use a timer set to that time.
Available on All Devices
This stopwatch works on:
- Android
- iPhone and iPad
- Windows
- Mac
- All modern browsers
Because it is a web application, no installations or updates are needed.