Convert 138 µm to km

In this post, we will provide a straightforward conversion of 138 micrometers (µm) to kilometers (km), along with definitions and a simple calculation method.

µm Definition

The micrometer (µm), also known as a micron, is a unit of length in the metric system equal to one millionth of a meter. It is commonly used in fields such as biology and materials science to measure small dimensions, such as cell sizes and particle diameters.

km Definition

The kilometer (km) is a unit of length in the metric system equal to 1,000 meters. It is widely used in measuring longer distances, such as geographical distances between cities or countries.

How to Convert 138 µm to km

To convert micrometers to kilometers, you can use the following formula:

Value in km = Value in µm ÷ 1,000,000,000

For example, to convert 138 µm to km:

138 µm ÷ 1,000,000,000 = 0.000000138 km

Thus, 138 micrometers is equal to 0.000000138 kilometers.

FAQs

What is the relationship between micrometers and kilometers?

Micrometers are a much smaller unit than kilometers; specifically, one kilometer equals 1,000,000,000 micrometers.

How do I convert other measurements from µm to km?

To convert any measurement from micrometers to kilometers, simply divide the number of micrometers by 1,000,000,000.

Where is the micrometer commonly used?

Micrometers are commonly used in scientific fields, particularly in biology, engineering, and materials science, to measure microstructures and fine details.