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Distances and speed limits on road signs are shown in kilometres (per hour), and height clearance signs are shown in metres; fuel is measured and sold in litres; and meteorological data and weather reports are shown in degrees Celsius for temperatures, millimetres for precipitation and kilometres per hour for wind speed.
MPH and smaller km/h values on speedometer. U.S. Federal Motor Vehicle Safety Standard 101, which governs vehicle controls and displays, permits speedometers to display miles per hour (MPH) or both MPH and km/h. [110] In practice, most U.S.-market vehicles have mile odometers and dual-labeled speedometers with miles-per-hour as the primary ...
Cars have metric speedometers and odometers, although most speedometers include smaller figures in miles per hour (mph). Fuel efficiency for new vehicles is published by Natural Resources Canada in litres per 100 kilometres, (not kilometres per litre as an analog of miles per gallon) and miles per (imperial) gallon.
A speedometer showing mph and km/h along with an odometer and a separate "trip" odometer (both showing distance traveled in miles) The amended Road Vehicles (Construction and Use) Regulations 1986 permits the use of speedometers that meet either the requirements of EC Council Directive 75/443 (as amended by Directive 97/39) or UNECE Regulation 39.
To avoid confusion as to whether the distance indicated was in miles or kilometres new major distance signs had affixed to them a temporary yellow plate showing the symbol km. [14] On the many new kilometre signs on minor roads, a yellow plate which showed the corresponding number of miles was affixed under the now permanent kilometre distance ...
Miles per hour (mph, m.p.h., MPH, or mi/h) is a British imperial and United States customary unit of speed expressing the number of miles travelled in one hour. It is used in the United Kingdom , the United States , and a number of smaller countries, most of which are UK or US territories, or have close historical ties with the UK or US.
An electronic odometer (below speedometer) with digital display showing 91,308 miles (146,946 km) from a Jeep Grand Cherokee (WJ) An odometer or odograph is an instrument used for measuring the distance traveled by a vehicle, such as a bicycle or car. The device may be electronic, mechanical, or a combination of the two (electromechanical).
SI, and hence the use of "km/h" (or "km h −1 " or "km·h −1 ") has now been adopted around the world in many areas related to health and safety [36] and in metrology [37] in addition to the SI unit metres per second ("m/s", "m s −1 " or "m·s −1 "). SI is also the preferred system of measure in academia and in education.