Games & Decisions

Stopwatch

Millisecond-accurate digital stopwatch with lap recording.

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Recorded Laps

No laps recorded yet.

How Stopwatch Works

A millisecond-accurate digital stopwatch that calculates elapsed intervals using high-resolution performance timestamps (`performance.now`), preventing drift caused by CPU scheduling.

Key Features

  • Resolution down to 10 milliseconds.
  • Split lap recording with persistent historical order list.
  • Zero drift timestamp calculation.

Common Use Cases

  • Athletic lap tracking, sprint timing, coding benchmark comparisons, and workflow audits.

Frequently Asked Questions

How accurate is this stopwatch?

It measures time using standard hardware clock timestamps accurate to fraction of milliseconds.

How many laps can I record?

You can record hundreds of laps in the scrollable log window.