Free Online Tool
GPS Speedometer & Speed Tracker
Precise real-time speed tracking for cars, bikes, boats, and any moving activity — directly in your browser using GPS. No download required.
Live GPS Speed
Online GPS Speedometer
Tap Start and allow location access. Your current speed will be displayed in real time using your device GPS. Works on smartphones, tablets, and computers.
Requires GPS / location permission. Works best outdoors or in a moving vehicle. Indoor accuracy is limited by satellite visibility.
Why GPS Speedometer App
Everything You Need to Track Speed
GPS Speedometer: Online Speed Tracker for Accurate Measurement
A GPS speedometer is a tool that uses the Global Positioning System (GPS) to determine and display the speed of a vehicle or object. Unlike traditional speedometers that rely on mechanical components, a GPS speedometer calculates speed based on the distance traveled over time using satellite signals. This makes it more accurate and universally applicable — whether you're driving a car, riding a bike, sailing a boat, or tracking any other movement.
Our free online GPS speedometer works by accessing your device's GPS to get real-time location data. It calculates your speed based on changes in your position over time. To use it, simply enable location services on your device, press Start, and you'll see your live speed instantly. The display updates automatically as your speed changes — no refresh needed. You can choose between km/h, mph, m/s, and knots at any time.
Accurate speed measurement is crucial for safety and compliance with traffic laws. Whether you're driving a car, riding a bike, or sailing, knowing your exact speed helps you stay in control and avoid potential hazards. Our speedometer is free, works on any device with a browser and GPS, and requires no installation — making it the most accessible speed tracking tool available.
For the full experience — including offline GPS tracking, HUD windshield mode, detailed trip history, and speed alerts — download the iOS app GPS Speedometer & HUD Speed. Available on the App Store with core features free and optional Premium subscription for advanced tools.
FAQ
Frequently Asked Questions
How accurate is the GPS speedometer?
In open areas with clear sky and good satellite reception, GPS speed readings are typically accurate within ±0.5 km/h. Accuracy may decrease in urban canyons, tunnels, dense forests, or areas with weak GPS signal. For best results, use outdoors with your device facing the sky.
Does it work without an internet connection?
The online web tool requires an internet connection to load the page initially. However, once loaded, speed measurement relies purely on GPS — not mobile data. The iOS app works fully offline once installed.
Why does the speedometer show 0 km/h?
Make sure you have granted location permission to your browser in device settings. Also ensure you are actually moving — GPS measures ground speed. Indoors or in places with poor satellite visibility, the GPS may not lock on. Try moving to an open outdoor area.
What speed units are supported?
The speedometer supports km/h (kilometers per hour), mph (miles per hour), m/s (meters per second), and knots — the standard unit for maritime and aviation speed measurement.
Is the GPS Speedometer app free?
The core GPS speedometer functionality is completely free with no ads. The iOS app offers an optional Premium subscription that unlocks advanced features like detailed trip statistics, speed alerts, and extended history. You can use the basic speedometer indefinitely without paying.
Does the app drain the battery?
GPS usage does consume more battery than idle, but our app uses an optimized polling strategy that balances accuracy and power consumption. For long trips, we recommend keeping your device plugged in or using a power bank.
How do I enable location services?
On iPhone or iPad, go to Settings → Privacy & Security → Location Services and enable it for your browser. On Android, go to Settings → Location and make sure it's turned on. Then allow the permission prompt when it appears on this page.
Can I use it for cycling, boating, or sports?
Absolutely. The GPS speedometer works for any moving activity — cycling, running, boating, skiing, skateboarding, and more. Simply choose the appropriate unit (km/h for cycling, knots for boating) and start tracking.
What is HUD mode?
HUD (Heads-Up Display) mode is available in the iOS app. It displays your speed in a mirror-flipped format so you can place your phone on the dashboard and see the reflection on your windshield — allowing you to monitor speed without looking away from the road.
Is there a difference between GPS speed and car speedometer speed?
Yes. Car speedometers measure wheel rotation and can read up to 5–10% higher than actual speed. GPS speed measures true ground movement via satellites and is generally more accurate. GPS readings may lag slightly in rapidly changing speed conditions.
Take GPS Speedometer With You
Download the iOS app with HUD mode, trip logger, speed alerts, and full offline GPS tracking. Core features free.
Download on App Store