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Kilometres are the appropriate unit.
There is no individual unit in the Metric system that is near one inch in the English system, I'm afraid.
You would use the unit of measurement called "kilograms" or "pounds" to measure the weight of a car.
centimeter
In the US, temperature is typically measured in degrees Fahrenheit (°F).
miles or kilometers
In British countries, miles is an old-fashioned unit to measure distances. The modern, international, unit is the kilometer, equal to about 0.6 miles.However, miles as a unit of measurement for distances is still used throughout the US. We rarely use the metric system in the US.
Inches if you are in the US, centimeters or millimeters everywhere else.
In the US, I would use yards.
Diagnostic APFT
Pounds are used to measure the mass of a bowling ball in the US, although the mass of an object that size is usually measured in kilograms in other countries.Pounds (US)
A map's scale is a ratio that relates a unit of measure on a map to some number of the same units of measure on the earth's surface. For instance, a map scale of 1:25,000, tells us that 1 unit of measure represents 25,000 of the same units on the earth's surface. One inch on the map represents 25,000 inches on the earth's surface. meters or yards or kilometers or miles, respectively, on the earth's surface.