↑↓ to move · Enter to open · Esc to close

Train Speedometer Online

Use this train speedometer during your journey to see how fast your phone is moving in km/h and mph. It works from location readings on your device and does not need a train number or railway account.

TRAIN / GPSReady to start
-- km/h
--mph

YOUR CURRENT SPEED

No location reading No reading yet
Press Start to check location access

Your trip at a glance

Not started
Top speed
--km/h
Average speed
--km/h
GPS distance
--km
Elapsed time
00:00min : sec
Speed over timeLast 60 seconds
Your speed history will appear here
60s agoNow

Allow precise location when your browser asks.
Location and trip data stay in this tab. No route is saved.

Tap Start and allow precise location. Keep this page visible for speed updates.

Estimates from your phone's location. Average speed uses valid readings; GPS distance can miss movement during signal gaps. Set up before moving and let a passenger handle the screen.

Location permission help

Start lets your browser check access. If permission is already allowed, readings begin without another prompt. If the site is blocked, change its permission first; the page cannot force the browser to ask again.

  • Chrome, Microsoft Edge and Opera: open the site controls or permissions next to the address bar and allow Location for this site.
  • Mozilla Firefox: open the site's permission controls next to the address bar and clear or change a location block, then press Start again.
  • Apple Safari: check Location in this website's settings. On a Mac, also check Safari's Websites settings and system Location Services. On iPhone or iPad, check system Location Services and precise location access for the browser.

Keep device Location Services on. A private window or temporary permission may ask again. Browser permission allows a location estimate; it does not guarantee satellite reception or force use of the GPS chip.

Location stays in this tab No app or account needed Stop tracking at any time

How to check your train speed online

  1. Open the page on your phone over HTTPS with location services enabled.
  2. Press Start and allow precise location in your browser.
  3. Wait for a reliable reading. Read current speed in km/h and mph.
  4. Press Stop to end location tracking and keep the trip summary. Use Reset trip to clear it.

How fast is my train going?

Check current train speed on your phone

A train passenger can check the pace of a journey without looking up the service or connecting to the operator. The number comes from the phone carried on that train. The tool does not query railway telemetry, identify a service or track the location of another train.

Keep the phone still relative to your seat. Walking between carriages changes the phone's movement. On faster services the gauge can expand its displayed scale; the initial scale is a visual range, not a limit on the train's speed.

What happens in tunnels and underground?

Tunnels and underground sections can interrupt location reception. The current-speed field becomes unavailable when fresh, accurate data is missing. The tool does not continue the previous speed through a tunnel or fill the gap with a timetable-based estimate.

How does this GPS speedometer calculate speed?

km/h = speed in m/s × 3.6
mph = speed in m/s × 2.2369362920544
estimated speed = distance between valid positions ÷ elapsed seconds

The tool uses the speed supplied by your browser when available. To estimate speed from changes in position, it needs location readings at least two seconds apart and movement larger than their reported position error. Readings older than ten seconds or with location accuracy worse than 50 meters are not used as current speed.

Train speed in km/h and mph

A valid reading of 50 m/s gives 180 km/h and about 111.8 mph. A reading of 83.333 m/s is about 300 km/h or 186.4 mph. These examples explain the unit conversion and do not describe the speed of a specific train.

What do top speed, average speed and distance mean?

Top speed is the highest accepted reading in this session. Average speed divides the estimated distance by the time covered by valid readings. It includes valid zero-speed intervals and excludes signal gaps, so it can differ from distance divided by the elapsed timer. GPS distance is estimated from speed over time or changes in position after filtering location noise. It can miss movement during a signal gap and does not reproduce a mapped route.

The elapsed timer starts when the browser returns its first location reading. It includes later signal gaps and time spent with the page hidden, until you press Stop.

Coordinates and the trip summary stay in this tab's memory. They are not sent to Utilza, saved in browser storage or included in analytics events. Your browser and operating system may use their own location provider. Stop ends tracking and keeps the summary. Reset trip, starting a new trip or reloading the page clears it.

Why is my GPS speed missing or inaccurate?

  • The tool measures your phone's movement. It does not identify a vehicle or connect to its instruments.
  • Location quality and update timing depend on the device and browser. Tunnels, blocked signals and approximate-location settings can prevent useful readings.
  • Updates pause while the page is hidden. Leaving the page stops tracking. Use Reset trip to clear the summary before leaving; reloading or starting a new trip also clears it.
  • Current speed, distance and average are estimates. Signal gaps are excluded from distance and average speed; the elapsed timer includes gaps after the first location reading.
  • Set up before moving and avoid operating the screen while driving or riding.

Frequently asked questions

Will this train speedometer work underground?

Reliable satellite-based location may be unavailable underground or in a tunnel. The page then hides the current speed and waits for a reliable reading. Continuous underground measurement is not guaranteed.

Do I need to enter the train number?

No. The page measures your own phone while you are on board. It has no connection to a railway operator and cannot check a train remotely.

Can the gauge show a high-speed train?

The scale expands when a valid reading exceeds its initial range. A larger scale does not improve the accuracy of the phone. Reception, update delays and data-quality checks still apply.

Why does the speedometer need location permission?

The browser needs permission to report the device's position and speed. If access is blocked, enable location for this site in browser and device settings, then try again. The tool cannot bypass a denied permission.

Are my coordinates or trip saved?

No. Coordinates, readings and the trip summary stay in this tab's memory and are not sent to Utilza or saved in browser storage. Stop ends tracking. Reset trip, starting a new trip or reloading the page clears the summary. Your browser's location provider has its own privacy practices.

Often used together with Train Speedometer.