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Smart Speedometer - Real-Time GPS Speed | Hexa

Hexa Team2 min read

Why a Browser-Based Speedometer Is Useful

Whether you're cycling, running, or driving, knowing your current speed helps you pace yourself and stay within limits. Dedicated speedometer apps require installation. Our tool runs in your browser—no app to download. Grant location permission and see your real-time speed, max speed, and average speed. Uses the browser's Geolocation API, which derives speed from GPS position changes. Perfect for cyclists tracking pace, runners monitoring splits, or anyone who wants a quick speed check without installing software. See GPS on Wikipedia and the Geolocation API on MDN.

How GPS Speed Measurement Works

The Geolocation API provides position updates (latitude, longitude, altitude) and optionally velocity. Speed is derived from how quickly your position changes—converted from m/s to km/h for display. When stationary, speed is zero. When moving, the value updates in real time. Max speed tracks the highest value during your session; average speed gives a mean over the period. Accuracy depends on GPS signal quality. Indoors or in urban canyons, updates may be slower or less accurate. Outdoors with a clear sky view, results are typically reliable.

Use Cases for a Browser Speedometer

Cycling: Check your pace without a bike computer. See real-time speed and average for your ride.

Running: Monitor pace during a jog. Know if you're hitting your target speed.

Driving: Verify your speed (e.g., when the car's speedometer might be off). Use responsibly—keep eyes on the road.

Passenger use: Passengers can check speed during a trip. Useful for logging or curiosity.

Privacy and Data

We do not send or store any location data. Speed is calculated locally in your browser. Your position and movement stay on your device. The tool requires location permission to function—deny it and the speedometer won't work, but we never receive your data.

Open the speedometer below. Allow location when prompted. See real-time speed, max, and average. No signup—GPS speed in your browser.

FAQ

  • Is the speedometer free?

    Yes. 100% free, no signup. Runs in your browser using GPS.

  • Does it work offline?

    No. GPS typically needs internet or mobile data. Enable location in browser settings.

  • Why does it show zero?

    Speed is zero when stationary. If moving and still zero, give GPS a few seconds or check location permissions.

  • Is my data saved?

    No. We do not send or store any location data. Runs locally.

  • What does it measure?

    Real-time speed (km/h), max speed, average speed. Uses browser Geolocation API.

Sources

Smart Speedometer - Real-Time GPS Speed | Hexa

GPS speedometer in your browser. Measures real speed with high accuracy. No signup. Shows max and average speed. Requires location permission.

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