Stopwatch & Timer

Date & TimeNew

A stopwatch with millisecond precision, lap recording, and fastest/slowest lap highlights. Switch to Countdown for any duration with quick presets or a custom HH:MM:SS input.

Space start / pauseL lapR reset

Works great for

🏃

Athletes timing training intervals

Track lap splits for interval training runs, swim sets, or cycling sprints with precise centisecond accuracy. The lap table highlights your fastest and slowest splits so you can analyze performance trends immediately.

📖

Students timing exam practice runs

Use the countdown timer to simulate timed exam conditions and build time-management skills under pressure. Practice answering questions within set time limits to improve speed and accuracy before test day.

👨‍💻

Developers benchmarking code manually

Quickly measure how long manual processes, build steps, or workflow sequences take in real-world conditions. Start the stopwatch before a task and stop it when done to gather rough performance baselines.

🏋️

Coaches timing drills and exercises

Record lap times for each athlete repetition during drills, circuits, or timed fitness assessments. The lap comparison view makes it easy to spot performance improvements or fatigue across a training session.

🏫

Teachers timing classroom activities

Set a countdown timer for timed quizzes, group activities, or presentations to keep lessons on schedule. The visual ring and clear DONE indicator let the whole class see time remaining without distractions.

🍳

Home chefs timing cooking stages

Use the countdown timer with presets like 5m or 25m to monitor simmering, baking, or resting stages without losing track. Multiple presets let you quickly switch between common cooking durations.

stopwatchonline stopwatchlap timersplit timecountdown timerinterval timertime trackermillisecond stopwatchsports lap timerexam countdown timer

Frequently asked questions

How do I record lap times with the online stopwatch?

Start the stopwatch and tap the lap button each time you want to mark a split. Every lap is logged with its time, and the fastest and slowest laps are highlighted automatically.

Can I set a custom countdown timer, not just a stopwatch?

Yes, switch to Countdown mode to set any duration using quick presets or a custom HH:MM:SS input, which works well for workouts, cooking, or timed exams.

Is this stopwatch precise enough for timing sports or workouts?

Yes, the stopwatch tracks time to the millisecond, which is precise enough for lap timing in sports, interval training, or any task where split seconds matter.

Does the stopwatch show my fastest and slowest lap?

Yes, after recording multiple laps, the tool automatically highlights your fastest and slowest lap times in the list, making it easy to spot pacing changes without doing the math yourself.