About This Tool

What is Stopwatch / Timer?

A tool providing a precise stopwatch and countdown timer. Versatile for exercise timing, cooking timers, exam time management, and more. Supports lap time recording for interval tracking.

How to Use

  1. In the 'Stopwatch' tab, use Start/Stop to measure time.
  2. Press 'Lap' to record split times.
  3. In the 'Timer' tab, set a duration and start the countdown.
  4. A notification appears when the timer finishes.

Key Features

  • Precision stopwatch
  • Lap time recording
  • Countdown timer
  • Time's up notification

Tips

  • Use the timer for interval training during workouts.
  • Lap time feature lets you compare speeds between intervals.
  • You can also use the timer for Pomodoro technique (25 min focus + 5 min break).

Stopwatch / Timer

Stopwatch with lap times and countdown timer

00:00:00.000

Frequently Asked Questions

Точность секундомера в браузере?

JavaScript обеспечивает ~1мс точности. Для суб-миллисекунд используйте performance.now().

Работает в фоновой вкладке?

Браузеры могут ограничивать таймеры в неактивных вкладках. Зафиксированное время остаётся точным.

Lap vs Split?

Lap: время с последней отметки. Split: общее время от старта.


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