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Convert 138 mm to km
Converting measurements is essential in various fields, from science to everyday life. This guide will help you convert 138 millimeters (mm) to kilometers (km) effortlessly.
mm Definition
Millimeter (mm) is a unit of length in the metric system, equal to one-thousandth of a meter. It is commonly used in fields such as engineering, construction, and manufacturing to measure small distances and dimensions.
km Definition
Kilometer (km) is a metric unit of length equal to 1,000 meters. It is widely used for measuring longer distances, particularly in transportation, geography, and land surveying.
How to Convert 138 mm to km
To convert millimeters to kilometers, use the conversion factor where 1 km equals 1,000,000 mm. The formula is:
km = mm ÷ 1,000,000
For example, to convert 138 mm to km:
km = 138 mm ÷ 1,000,000 = 0.000138 km
Thus, 138 mm is equal to 0.000138 kilometers.
FAQs
What is the relationship between mm and km?
Millimeters and kilometers are both metric units of length, with 1 kilometer being equal to 1,000,000 millimeters.
How do I convert other mm values to km?
To convert any millimeter value to kilometers, simply divide the mm value by 1,000,000 using the formula: km = mm ÷ 1,000,000.
Why is it important to convert mm to km?
Converting mm to km is important for accurate measurements in various fields such as engineering, transportation, and science, where different scales are frequently used.

mm to km
1000