---
title: Online Stopwatch
canonical: https://timernow.net/stopwatch
language: en
---

# Online Stopwatch

Precise online stopwatch with split lap times, millisecond accuracy, and clean fullscreen display.

## Use

Precise online stopwatch with split lap times, millisecond accuracy, and clean fullscreen display.

## Features

- Start
- Pause
- Reset
- Fullscreen
- Sound

## Limitations

Alerts may be delayed if the browser or device is suspended. Keep the page open for reliable operation.

## Related tools

- [Online Timer](https://timernow.net//index.md)
- [Online Alarm Clock](https://timernow.net/alarm/index.md)
- [Pomodoro Timer](https://timernow.net/pomodoro/index.md)
- [Countdown Timer](https://timernow.net/countdown/index.md)
- [Interval Timer](https://timernow.net/interval-timer/index.md)