The free online 480 minute timer on FinalTimer.com counts down 8 hours without an app and without an account. Set it, start it and get back to what matters.
What Can You Do With a 480 Minute Timer?
People use a 480 minute timer for very different tasks, for example:
- Charging Reminder: E-bikes, power tools and laptops take hours to charge, and the alarm tells you when to unplug.
- Brining & Curing: Brining a turkey or curing salmon takes many hours. The 480 minute timer makes sure you do not overdo it.
- Long Run or Hike: Plan a long run, a bike ride or a hike and know exactly when it is time to turn around.
- Cold Fermentation: Sourdough and pizza dough develop more flavour during a long, cold proof in the fridge.
- Gaming Marathon: Set a clear end to your gaming or streaming session so it does not run into the night.
Fun Fact: What Happens in 480 Minutes?
The 8-hour workday became widespread in the early 20th century; Ford introduced it in its factories in 1914. That matches the length of this 480 minute timer.
In Roman numerals, 480 is written as CDLXXX.
Start Your 480 Minute Timer in Seconds
- Everything is prepared: 8:00:00 is already entered, so one click on Start Timer is enough.
- Give your countdown a name in the text field, switch on the alarm and pick the sound you like best.
- Combine the 480-minute block with breaks or other phases by adding timers; the whole sequence runs on its own.
- Switch to fullscreen for big digits and save your configuration with Export Settings to load it again later.
Because 8 hours is a long stretch of time, keep the tab open and your device connected to power. The countdown is based on the real clock, so even after your device was asleep it shows the correct remaining time as soon as you come back.
Recommended Timers for Specific Activities
For additional timing needs, consider these helpful timers:
- For mindfulness and calm breathing, the Meditation Timer guides you through every phase.
- Track fasting and eating windows with the Intermittent Fasting Timer.
- Bakers track kneading, proofing and baking with the Bread Baking Timer.
- Prefer longer focus blocks? The 52/17 Productivity Timer alternates 52 minutes of work with 17 minutes of rest.
Explore More Timers
Frequently Asked Questions About the 480 Minute Timer
How long is a 480 minute timer?
A 480 minute timer runs for exactly 8 hours. That equals 28,800 seconds.
Can I pause or repeat the 480 minute timer?
You can pause at any moment (also with the space bar) and resume exactly where you stopped. To run the 480 minutes several times, switch on Repeat Timer and choose how often.
Will I hear an alarm when the time is up?
Yes, if Enable Alarm is checked. You can choose between 13 alarm sounds and preview them before starting. Keep the browser tab open and the sound of your device switched on.
Does the timer keep running if my computer goes to sleep?
The countdown is calculated from the real clock time. If your device sleeps, the display jumps to the correct remaining time when it wakes up. The alarm itself can only play while the device is awake, so for long timers keep it plugged in and disable sleep mode. If you reload the page, FinalTimer offers to resume the running timer.
Make Every Second of the 480 Minute Timer Count
Whether you are planning, training, cooking or waiting for something important, the 480 Minute Timer gives your 8 hours a visible structure. Start the countdown above and make every minute count.
Plan Your 480 Minutes
Numbers that help you use the 480 minute timer in practice, all calculated for exactly 8 hours.
When Does a 480-Minute Countdown End?
Starting soon? Here is when the countdown ends for typical start times:
| Start | Timer ends |
|---|---|
| 06:00 (6:00 am) | 14:00 (2:00 pm) |
| 08:00 (8:00 am) | 16:00 (4:00 pm) |
| 09:00 (9:00 am) | 17:00 (5:00 pm) |
| 12:00 (12:00 pm) | 20:00 (8:00 pm) |
| 18:00 (6:00 pm) | 02:00 (2:00 am, next day) |
| 22:00 (10:00 pm) | 06:00 (6:00 am, next day) |
Countdown Milestones
- A quarter done: after 2 hours, with 6 hours remaining.
- Halfway point: after 4 hours, with 4 hours remaining.
- Three quarters done: after 6 hours, with 2 hours remaining.
- Last 10 percent: after 7 hours and 12 minutes, with 48 minutes remaining.
For long countdowns, checking in at these points helps you see whether you are on schedule.
Intervals That Fit Into 480 Minutes
- Pomodoro (25 min focus + 5 min break, 15 min after every fourth): 15 focus sessions with 6 hours and 15 minutes of focused work.
- 52/17 method: 7 cycles of 52 minutes work and 17 minutes rest.
- 90-minute deep work blocks with 20-minute breaks: 4 blocks.
Calories Burned in 480 Minutes
Estimated energy use for common activities, calculated with MET values from the Compendium of Physical Activities (kcal = MET × body weight in kg × hours). Real values vary with fitness, age and intensity.
| Activity | 60 kg (132 lb) | 80 kg (176 lb) |
|---|---|---|
| Walking (4.8 km/h · 3 mph) | 1,680 kcal | 2,240 kcal |
| Hiking | 2,880 kcal | 3,840 kcal |
| Cycling, leisurely (under 16 km/h) | 1,920 kcal | 2,560 kcal |
| Desk work | 720 kcal | 960 kcal |
| Sleeping | 456 kcal | 608 kcal |
How Far You Get in 480 Minutes
Distance covered at typical average speeds without stops:
| Way of moving | Speed | Distance |
|---|---|---|
| Walking | 5 km/h | 40 km (24.9 mi) |
| Cycling | 20 km/h | 160 km (99.4 mi) |
| Car on the motorway | 100 km/h | 800 km (497 mi) |
| High-speed train | 300 km/h | 2,400 km (1,491 mi) |
| Passenger jet (cruise) | 900 km/h | 7,200 km (4,474 mi) |
480 Minutes Compared With Real-World Durations
- 6:39:00: Neil Armstrong stepped onto the Moon about 6 hours and 39 minutes after the lunar module Eagle had landed. (1 hour and 21 minutes shorter than this timer)
- 8:00:00: The 8-hour workday became widespread in the early 20th century; Ford introduced it in its factories in 1914. (same length as this timer)
- 8:06:00: The longest Major League Baseball game by time lasted 8 hours and 6 minutes: White Sox vs. Brewers in May 1984, played over two days. (6 minutes longer than this timer)
- 9:00:00: EU rules allow professional drivers a maximum of 9 hours of driving per day (extendable to 10 hours twice a week). (1 hour longer than this timer)
- 9:18:00: The three Lord of the Rings films run about 9 hours and 18 minutes together in their cinema versions. (1 hour and 18 minutes longer than this timer)