Kilometers to Micrometers Converter (km to µm)
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Convert Micrometers to Kilometers (µm to km) ▶

Conversion Table

kilometers to micrometers
kmµm
1 km 1000000000 µm
2 km 2000000000 µm
3 km 3000000000 µm
4 km 4000000000 µm
5 km 5000000000 µm
6 km 6000000000 µm
7 km 7000000000 µm
8 km 8000000000 µm
9 km 9000000000 µm
10 km 10000000000 µm
11 km 11000000000 µm
12 km 12000000000 µm
13 km 13000000000 µm
14 km 14000000000 µm
15 km 15000000000 µm
16 km 16000000000 µm
17 km 17000000000 µm
18 km 18000000000 µm
19 km 19000000000 µm
20 km 20000000000 µm

How to convert

1 kilometer (km) = 1000000000 micrometer (µm). Kilometer (km) is a unit of Length used in Metric system. Micrometer (µm) is a unit of Length used in Metric system.

Kilometer - Unit of Distance / Length

Unit Symbol/Abbreviation: km

Where the unit used in the World:

The kilometer is used as a unit used to measure distances or lengths.
It's a standard measure for travelled distances, geographical distances and maps in most countries excluding the USA and the United Kingdom where mile is still used for this purpose.
between geographical locations on land, and in most countries is the official unit for this purpose. Primary exceptions are the United Kingdom, Liberia, Myanmar and the United States of America, where the mile remains as standard as a part of imperial system.

Definition of the Unit:

The kilometer (kilometre in UK spelling) is a unit of length/distance in the metric system (SI Unit system) equivalent to one thousand meters.

1 km is equivalent to 0.62137 miles.

History of the Unit:

Although the meter was defined in 1799 in France, the kilometer was first adopted for everyday use by the Dutch in 1817 under local name of the mijl. The myriametre (10000 meters) and "lieues de Poste" (Postal leagues, 4288 meters) were preferred to the "kilometer" for everyday use in France in 19th century. In the mid 19th century the kilometer was already in everyday use in the Italy and in Netherlands and the myriametre was still in use in France. The CIPM (The International Committee for Weights and Measures) officially abolished the prefix "myria-" and the "myriametre" in 1935, leaving the kilometer as the recognised unit of length instead of myriametre.

Where it's used:

The kilometer is commonly used on road signs to indicate the distance to travel to a given location, on maps to indicate scale, for odometer indication in automotive industry. It is also the most popular unit for describing the distance between geographical points and locations.

Equivalents in other units and scales:

  • 1 km = 1000000 millimeters (mm)
  • 1 km = 100 000 centimeters (cm)
  • 1 km = 10000 decimeters (dm)
  • 1 km = 1000 meters (m)
  • 1 km = 3280.84 feet (ft)
  • 1 megameter = 1000 km
  • 1 gigameter = 1000000 km
  • 1 mile = 1.609 km
  • 1 yard = 0.000914 km
  • 1 foot = 0.000305 km
  • 1 inch = 0.0000254 km
  • Units of length in the metric SI system are based on multiples or fractions of a meter.
  • There are measurements of length/distance in the metric SI system greater than a kilometer that can be expressed in terms of kilometres.

1 km is equivalent to 0.621371 mi.

The kilometer is unit of length in the metric SI system and is equivalent to one thousand metres.


Micrometer: A Unit of Length

Definition of the micrometer

The micrometer, also known as the micron, is a unit of length in the International System of Units (SI) that equals one millionth of a meter. Its symbol is µm.

History of the micrometer

The term micron and the symbol µ were officially accepted for use in isolation to denote the micrometer in 1879, but officially revoked by the International System of Units (SI) in 1967. This became necessary because the older usage was incompatible with the official adoption of the unit prefix micro-, denoted µ, during the creation of the SI in 1960. In the SI, the systematic name micrometre became the official name of the unit, and µm became the official unit symbol.

How to convert micrometer

The micrometer can be converted to other units of length using simple multiplication or division by powers of 10. For example, one micrometer is equal to 0.001 millimeters, 0.000001 meters, or 0.000000001 kilometers in the SI system. One micrometer is also equal to 0.000039 inches, 0.0000033 feet, or 0.00000062 miles in the US standard system.

Where micrometer is used

The micrometer is a common unit of measurement for wavelengths of infrared radiation as well as sizes of biological cells and bacteria, and for grading wool by the diameter of the fibers. The width of a single human hair ranges from approximately 20 to 200 µm

The micrometer is used in different countries and applications for various purposes. For example:

  • In Canada, the micrometer is used to measure air quality by monitoring the concentration of particulate matter (PM) in the atmosphere. PM2.5 refers to particles that are less than 2.5 micrometers in diameter, which can penetrate deep into the lungs and cause health problems.
  • In Japan, the micrometer is used to measure the thickness of paper and film products. The standard paper size A4 has a thickness of about 100 µm, while a typical plastic wrap has a thickness of about 10 µm.

Example conversions of micrometer to other units

Here are some sample conversions of micrometer to other units:

  • 1 µm = 0.001 mm
  • 1 µm = 0.000001 m
  • 1 µm = 0.000000001 km
  • 1 µm = 0.000039 in
  • 1 µm = 0.0000033 ft
  • 1 µm = 0.00000062 mi
  • 1 µm = 10^-6 m



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