Historically a strictly mechanical device, variants of the odometer have appeared throughout time. Ancient Romans had their own versions of odometers and ancient Greeks had specialists trained to measure footfall.
We’re always up for a long drive, and on National Odometer Day, which is observed annually on May 12, we’re heading directly to odometer-ville. We were unable to identify the creator(s) of this day, but we do know that it is observed to teach people about odometers and how to better maintain their vehicles so they last longer and remain in better condition.
Historically a strictly mechanical device, variants of the odometer have appeared throughout time. Ancient Romans had their own versions of odometers and ancient Greeks had specialists trained to measure footfall. In addition to these innovations, the Han dynasty saw the invention of odometers in the form of a road carriage with a gong. According to the legend, whenever the distance was measured, a wooden figure would strike a drum. Experts consider this iteration of the odometer to be highly advanced (considering the time period) and cite its influence on the modern odometer.
Multiple accounts describe the ancestor of the modern odometer as a device for measuring the distance travelled by waggons and other horse-drawn vehicles. A unique invention by a Mormon pioneer paved the way for the evolution of the odometer. William Clayton affixed his instrument, a ‘roadometer,’ to his waggon, which was travelling west to Utah. This was followed by the invention of the first automobile odometer, the auto-meter, by brothers Arthur and Charles Warner. Additionally, the brothers patented the tachometer, a papermaking machine, an electric brake, and a power clutch. They also created a thermometer for the motor, but the patent was invalidated due to a lawsuit.
While technology has advanced over time, the odometer continues to register our travel distances, albeit electronically.
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The word ‘odometer’ is derived from the Greek words ‘hodos’ (meaning ‘way’ or ‘path’) and’metron’ (meaning’measure’).
In various countries, odometers are known by names such as mileometer, milometer, and tripmeter.
Unlike an odometer, this device, known as a tripmeter, can be reset at any point during a journey to assist calculate the distance travelled.
Numerous luxury vehicles feature two tripmeters.
In many nations, including the United States, vehicle mechanics are required by law to register the odometer reading whenever a vehicle is serviced.
| Year | Date | Day |
|---|---|---|
| 2023 | May 12 | Friday |
| 2024 | May 12 | Sunday |
| 2025 | May 12 | Monday |
| 2026 | May 12 | Tuesday |
| 2027 | May 12 | Wednesday |
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