Online Stopwatch & Timer

Accurate stopwatch with lap times and a customizable countdown timer. Simple, fast, and free.

00:00:00.00
hours : minutes : seconds . milliseconds

Advertisement

Key Features

Everything you need, right at your fingertips. Simple, fast, and built for everyone.

⏱️

Millisecond Precision

Accurate to thousandths of a second for precise timing.

🏃

Lap Times

Record laps and see lap times and total time for each lap.

⌨️

Keyboard Controls

Space to start/pause, L for lap, R to reset —all at your fingertips.

📱

Big Display

Large, easy-to-read numbers perfect for presentations and gym use.

🔊

Sound Feedback

Optional beep on start/stop for auditory confirmation.

⏲️

Countdown Mode

Switch to countdown timer for pomodoro, cooking, and more.

How to Use This Online Stopwatch

Getting started is easy. Just follow these simple steps.

1

Choose Mode

Stopwatch for counting up, or Timer for counting down.

2

Press Start

Click start or press Space to begin timing.

3

Record Laps

Press Lap (or L key) to mark split times as you go.

4

Stop & Reset

Press stop to pause, then reset to start over.

About This Stopwatch & Timer

A stopwatch is a timepiece designed to measure the amount of time elapsed from a particular time when activated to when it is deactivated. Digital stopwatches are more accurate than mechanical ones and can measure time down to hundredths or thousandths of a second.

Stopwatches are used in countless contexts: sports and athletics for timing races and workouts, science experiments for measuring reaction times and durations, cooking and baking, productivity tracking, presentations, and any activity where you need to measure how long something takes.

Lap time is a useful feature that lets you record the time at intermediate points without stopping the overall timer. For example, in a race, you can record each runner's finish time while the stopwatch continues running for the next runner. The best lap and worst lap can then be compared.

An online stopwatch gives you accurate timing on any device with a web browser, no special equipment needed. It is convenient for situations where you need a stopwatch but do not have a physical one or a phone handy, and it can offer features like lap tracking that basic physical stopwatches lack.

Frequently Asked Questions

How accurate is this stopwatch?

Our stopwatch uses the browser's high-resolution performance.now() API, which provides millisecond accuracy. However, browser tab throttling and device performance can affect accuracy for very long durations. For scientific or legal purposes, use a dedicated timing device.

Can I use the stopwatch with my keyboard?

Yes! Press Space to start/stop the stopwatch, L to record a lap, and R to reset. For the timer, press Space to start/pause.

What are lap times?

Lap times measure the time between consecutive laps. For example, if you press "Lap" at 10 seconds and again at 25 seconds, the first lap is 10s and the second lap is 15s. This is useful for tracking pace in running, swimming, or other timed activities.

What is the Pomodoro Technique?

The Pomodoro Technique is a time management method where you work for 25 minutes, then take a 5-minute break. After four pomodoros, you take a longer 15-30 minute break. It was invented by Francesco Cirillo in the late 1980s and named after the tomato-shaped kitchen timer he used.

Does the Pomodoro Technique really work?

The Pomodoro Technique works well for many people because it reduces procrastination, improves focus, and prevents burnout through regular breaks. It works particularly well for tasks you have been avoiding, as committing to just 25 minutes feels manageable. Results vary by individual and task type.

How do I improve my typing speed?

Improving typing speed takes consistent practice. Focus on proper finger placement on the home row, use all ten fingers, and avoid looking at the keyboard. Practice 10-15 minutes daily, and prioritize accuracy over speed —speed comes naturally as accuracy improves. Regular speed tests help track progress.

What is a good typing speed?

The average typing speed is about 40 words per minute (WPM). Professional typists typically type 65-75 WPM or more. For most office work, 40-60 WPM is sufficient. The fastest typists in the world can exceed 200 WPM in competitions.

How do I pick a winner fairly?

For a fair random selection, use a random name picker or number generator that you cannot manipulate. Write down all names, use a certified random tool, and ideally do the drawing in public or with witnesses. Modern random number generators are statistically fair and unbiased.

What are some fun ways to pick a random winner?

Popular methods include drawing names from a hat, spinning a wheel, rolling dice, using a random number generator, or picking from a deck of cards. Digital random name pickers are convenient for online giveaways, virtual events, and remote team activities.

How long does it take to form a new habit?

Research suggests it takes an average of 66 days to form a new automatic habit, though the range varies widely from 18 to 254 days depending on the habit and person. Consistency matters more than perfection. Tools like habit trackers and timers can help build routines.

How many hours of sleep do I need?

Most adults need 7-9 hours of sleep per night for optimal health and cognitive function. Teenagers need 8-10 hours, children need 9-12 hours, and babies need even more. Individual needs vary, but consistently getting less than 7 hours can negatively affect health, mood, and productivity.

What is the Pomodoro Technique?

The Pomodoro Technique is a time management method where you work for 25 minutes, then take a 5-minute break. After four pomodoros, you take a longer 15-30 minute break. It was invented by Francesco Cirillo in the late 1980s and named after the tomato-shaped kitchen timer he used.

Does the Pomodoro Technique really work?

The Pomodoro Technique works well for many people because it reduces procrastination, improves focus, and prevents burnout through regular breaks. It works particularly well for tasks you have been avoiding, as committing to just 25 minutes feels manageable. Results vary by individual and task type.

How do I improve my typing speed?

Improving typing speed takes consistent practice. Focus on proper finger placement on the home row, use all ten fingers, and avoid looking at the keyboard. Practice 10-15 minutes daily, and prioritize accuracy over speed —speed comes naturally as accuracy improves. Regular speed tests help track progress.

What is a good typing speed?

The average typing speed is about 40 words per minute (WPM). Professional typists typically type 65-75 WPM or more. For most office work, 40-60 WPM is sufficient. The fastest typists in the world can exceed 200 WPM in competitions.

How do I pick a winner fairly?

For a fair random selection, use a random name picker or number generator that you cannot manipulate. Write down all names, use a certified random tool, and ideally do the drawing in public or with witnesses. Modern random number generators are statistically fair and unbiased.

What are some fun ways to pick a random winner?

Popular methods include drawing names from a hat, spinning a wheel, rolling dice, using a random number generator, or picking from a deck of cards. Digital random name pickers are convenient for online giveaways, virtual events, and remote team activities.

How long does it take to form a new habit?

Research suggests it takes an average of 66 days to form a new automatic habit, though the range varies widely from 18 to 254 days depending on the habit and person. Consistency matters more than perfection. Tools like habit trackers and timers can help build routines.

How many hours of sleep do I need?

Most adults need 7-9 hours of sleep per night for optimal health and cognitive function. Teenagers need 8-10 hours, children need 9-12 hours, and babies need even more. Individual needs vary, but consistently getting less than 7 hours can negatively affect health, mood, and productivity.

Productivity, Focus, and Time Management

Productivity tools help us make the most of our limited time. From timers and trackers to calculators and converters, the right tools eliminate friction, reduce mental load, and let us focus on what matters most. Small improvements in your daily workflow compound over time into significant gains.

The Pomodoro Technique and similar time-boxing methods work because they address two common productivity problems: difficulty starting and difficulty stopping. Committing to just 25 minutes of work feels achievable, reducing procrastination. Regular breaks prevent burnout and maintain high focus throughout the day.

Improving your skills saves time in the long run. Typing speed, for example, is a skill that pays dividends every single day you work at a computer. Going from 40 WPM to 60 WPM saves roughly 15-20 minutes per day for someone who types constantly, adding up to weeks of saved time each year.

Good tools reduce cognitive load by handling the tedious parts of a task. A calculator does arithmetic so you can focus on understanding the problem. A timer tracks time so you can focus on the work. The best tools get out of your way and let you think at a higher level.

Building productive habits takes time and effort, but the compounding benefits are enormous. Start small, be consistent, and regularly reflect on what is working and what is not. The right tools support your habits and make it easier to stay on track with your goals.