You can use speedometer apps on your Android smartphone to find out the speed of your car, bike, or other vehicle.

Over 44,000 Audi vehicles have been recalled due to a software issue that causes the instrument panel display to fail and warning lights and the speedometer to stop working. The U.S. National ...

Depending on your vehicle, you can expect to pay around $100–$300 for a speedometer calibration. If you are DIY-savvy, you can buy a speedo corrector module from local electronics supply stores ...

They continued: "It’s a good idea to check the accuracy of your car’s speedometer, just to be sure that what it’s showing you is the truth and you're not breaking any speed limits.