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Car Speedometer Online

Use this car speedometer to see your current driving speed in km/h and mph from your phone's location. Start before moving, allow precise location and let a passenger handle the screen.

CAR / 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 car 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 am I going in my car?

GPS speed and the dashboard reading

A passenger can use the car speedometer to compare the phone's reported movement with the dashboard reading. GPS estimates and the vehicle's speed display can differ, and a short delay can be noticeable during acceleration or braking. This tool does not calibrate the vehicle or prove that either reading is correct.

Keeping your phone still

Keep the phone still relative to the car. Moving it around inside the cabin adds movement that is unrelated to the vehicle's travel. The main number shows current speed; the smaller number shows the same measurement in the other unit. Switching the main unit does not start a new trip.

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.

Car speed in km/h and mph

If a valid device reading is 25 m/s, the display shows 90 km/h and about 55.9 mph. At 10 m/s it shows 36 km/h and about 22.4 mph. These are unit conversions, not expected speeds or speed-limit advice.

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

Can I check my car speed on my phone without installing an app?

Yes, if your browser supports location services. Open this page over HTTPS, press Start and allow precise location. The page cannot force your phone to use a particular location sensor.

Why does GPS speed differ from my car speedometer?

The phone reading depends on location accuracy and update timing. The dashboard and phone can therefore show different values, especially while speed is changing. This page does not determine which instrument is correctly calibrated.

Is this a speed limit detector?

No. It measures the movement of your phone and has no road database or speed-limit alerts. Set it up before moving and leave screen interaction to a passenger.

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 Car Speedometer.