Elapsed time
elapsed = current time - start time
Time management tool
Stopwatch
Track elapsed time with a clear, browser-based stopwatch.
Tool
Measure elapsed time
Start, pause, and reset the stopwatch for quick timing checks.
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About this tool
How it works
The EngLab Stopwatch uses browser timing to measure elapsed time for experiments, presentations, workouts, productivity sessions, or process benchmarking.
Workflow
Process used
Display format
MM:SS.CS
Worked example
Example workflow
Example: click Start at the beginning of a test, Pause at the end, then record the displayed elapsed time.
Guide
How to use this tool
- Click Start to begin timing.
- Click Pause to freeze the current elapsed time.
- Click Reset to return the stopwatch to zero.
Reference
What the output means
elapsed time
The total time measured since the stopwatch started.
centiseconds
Hundredths of a second shown after the decimal point.
pause
A stopped state that keeps the current elapsed time ready to resume.
Assumptions and limits
Before relying on the tool
- Browser timing is suitable for everyday use but not certified instrumentation.
- Background tabs may be throttled by some browsers.
- Use calibrated equipment for formal test data.
FAQ
Stopwatch questions
Does this run in the browser?
Yes. The tool runs with JavaScript in the current browser tab.
Do I need an account?
No account or sign-in is required.
Can I use this on mobile?
Yes. The layout is responsive for phone, tablet, and desktop screens.
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