Online Stopwatch - Free with Lap Times
Precision stopwatch with lap times.
Tool Interface
Online Stopwatch
Precision stopwatch with lap times — right in your browser.
How to use
Press Start to begin timing, Lap to record a split without stopping, and Reset to clear. The tab title shows the live time while running.
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About This Tool
Frequently Asked Questions (FAQ)
How do I use the stopwatch?
Press start to begin timing, lap to record split times without stopping, and stop to end. Reset clears everything for a fresh run.
What are lap times for?
Laps mark intermediate times while the clock keeps running — perfect for tracking splits in races, intervals in workouts, or stages of a task.
How precise is it?
It measures down to hundredths of a second, plenty for sports training, experiments and everyday timing.
Does it keep running in the background?
Yes. The stopwatch keeps counting if you switch tabs, so your timing stays accurate.
Is the stopwatch free?
Yes. It is free to use with no signup and no limits.