An odometer (mileometer, milometer) indicates distance traveled by a car or other vehicle. The device may be electronic, mechanical, or a combination of the two. The word derives from the Greek words ""hodós", meaning "path" or "way", and "métron", "measure".
In the early autos a top reading of 99,999 was enough. With improvements, modern vehicles need an extra digit. At the top reading, an odometer restarts from zero (odometer rollover).
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An odometer (mileometer, milometer) indicates distance traveled by a car or other vehicle. The device may be electronic, mechanical, or a combination of the two. The word derives from the Greek words ""hodós", meaning "path" or "way", and "métron", "measure".
In the early autos a top reading of 99,999 was enough. With improvements, modern vehicles need an extra digit. At the top reading, an odometer restarts from zero (odometer rollover).
Most modern cars include a trip meter (trip odometer). Unlike the odometer, a trip meter is reset at any point in a journey, making it possible to record the distance travelled in any particular journey or part of a journey. It was traditionally a purely mechanical device but, in most modern vehicles, it is now electronic. Luxury vehicles often have multiple trip meters. Most trip meters will show a maximum value of 999.9. The trip meter may be used to record the distance traveled on each tank of fuel, making it very easy to accurately track the...
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