About This Tool
What is 秒表 / 计时器?
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
- In the 'Stopwatch' tab, use Start/Stop to measure time.
- Press 'Lap' to record split times.
- In the 'Timer' tab, set a duration and start the countdown.
- 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).
秒表 / 计时器
秒表、分段计时和倒计时器
00:00:00.000
Frequently Asked Questions
切换浏览器标签后秒表还会继续运行吗？▼
会。秒表使用JavaScript计时，即使标签在后台也会继续运行。但后台标签的显示更新可能会暂停以节省资源。返回标签时，经过的时间将是准确的。
浏览器秒表的精度如何？▼
精度在几毫秒以内，对大多数计时需求绰绰有余。需要亚毫秒精度的专业运动计时建议使用专用硬件。系统负载较重时浏览器计时精度可能略有波动。
什么是圈速功能？如何使用？▼
圈速在不停止秒表的情况下记录特定时刻的经过时间。按'圈速'记录分段时间——适用于跑步分段、运动组数或任何需要在更长计时期间内测量间隔的活动。