Time Tool
Stopwatch
Online stopwatch with lap support — measure time and record split results.
00:00.00
How to Use Stopwatch
1. Start
Click Start button to begin stopwatch.
2. Record Laps
Save intermediate times with Lap button.
3. Stop and Reset
Stop with Stop, reset with Reset.
What is an Online Stopwatch?
A stopwatch is a timer that precisely measures elapsed time. Used for sports, exercise, study sessions, cooking, and any activity requiring time tracking.
Online stopwatch works in your browser, requires no download, and measures with millisecond precision.
Features
- High Precision: Accurate measurement down to milliseconds.
- Lap Recording: Record multiple intermediate times.
Use Cases
- Sports training
- Pomodoro study technique
- Cooking timers
- Running and fitness exercises
- Presentation time control
FAQ
Maximum measurable time?
You can measure 24 hours or more. No limit.
Keyboard controls?
Spacebar for start/stop, R key for reset can be used.