Yes, it's legal to have a speedometer that's calibrated in kilometers in the US. There's no law that
says you're even required to have a speedometer in the vehicle. The law only limits the speed at
which you're allowed to move the vehicle on the public thoroughfare. How you choose to monitor
and regulate your speed is entirely up to you.
A speedometer measures the speed a vehicle is traveling in miles per hour (MPG) or kilometers per hour (KPH).
A vehicle's rate of motion is shown by the speedometer, which measures the vehicle's speed in miles per hour (mph) or kilometers per hour (km/h) depending on the region.
If you are in the United States you cannot change the speedometer on the Mazda 3 from miles to kilometers. The only option available is miles.
The physical quantity measured by a speedometer is speed, which is the rate at which an object is moving. It typically indicates the speed of a vehicle in kilometers per hour or miles per hour.
A cars speedometer measures speed. A speedometer is a gauge that displays the speed of a vehicle so the driver will know how fast the vehicle is moving.
The speedometer of a car indicates the current speed at which the vehicle is traveling in miles per hour (mph) or kilometers per hour (km/h). It provides the driver with real-time information to help them maintain a safe and legal speed while driving.
It measures the rate of travel.IE. the speed the car is traveling at.The speedometer of a car measures speed. It is measured in miles per hour or kilometres per hour (mph or kph).The speedometer of a car measure the instantaneous speed.
Any speedometer, on a bicycle, car, boat, or airplane, will read in either kilometers per houror else in miles per hour .
Speedometer measure thing in mph (Miles Per Hour) or kph (Kilometers Per Hour).
My thought would be that your vehicle is originally from a country that uses kilometers. The Speedometer face plate may have been swapped out but the odometer wasn't converted. One mile equals 1.6 kilometers, hence the difference you're recognizing.
To change the speedometer of a Mazda RX-8 from miles to kilometers, start by turning on the ignition without starting the engine. Then, press and hold the trip odometer reset button located on the instrument cluster. While holding the button, turn the ignition off and then back on, continuing to hold the button until the display changes from miles to kilometers. Release the button, and the speedometer should now reflect kilometers.
1.15miles is equal to 1.85 kilometers