Skip to content
RK Calculator
Menu

Kilometers to Micrometers Converter

Convert kilometers (km) to micrometers (µm), with the formula, a conversion table and exact factors.

Change the values and press Calculate to work out your own figures.

Convert a length from one unit to another. For inches, feet and yards you also get feet and inches with a tape-measure fraction.

About valueEnter a number, a fraction such as 3/8, a mixed number such as 1 3/8, or simple arithmetic such as 2*3.
About to unitUnit to convert into.
About round inches to nearestSmallest inch fraction used when showing feet and inches.
Result
Result
1000000000 µm
miles
0.621371192237
yards
1093.61329834
feet
3280.83989501
inches
39370.0787402
meters
1000
centimeters
100000
millimeters
1000000
nanometers
1000000000000
light-years
1.05700083402 × 10^-13
US survey feet
3280.83333333

1 km = 1000000000 µm

Show the working
  1. 1 km = 1000000000 µm
  2. 1 × 1000000000 = 1000000000 µm

How to convert kilometers to micrometers

1 km = 1000000000 µm, so multiply by 1000000000 to go from kilometers to micrometers. Going the other way, 1 µm = 1 × 10^-9 km.

µm = km × 1000000000
km = µm × 1

Worked example:

1 km = 1000000000 µm
5 × 1000000000 = 5000000000 µm

Kilometers to micrometers table

KilometersMicrometers
1 km1000000000 µm
2 km2000000000 µm
3 km3000000000 µm
4 km4000000000 µm
5 km5000000000 µm
6 km6000000000 µm
7 km7000000000 µm
8 km8000000000 µm
9 km9000000000 µm
10 km10000000000 µm
15 km15000000000 µm
20 km20000000000 µm
25 km25000000000 µm
30 km30000000000 µm
40 km40000000000 µm
50 km50000000000 µm
75 km75000000000 µm
100 km100000000000 µm
250 km250000000000 µm
500 km500000000000 µm
1000 km1000000000000 µm

About the units

Kilometers (km)
Kilometers, a metric unit. Definition: BIPM SI Brochure (SI prefixes).
Micrometers (µm)
Micrometers, a metric unit. Definition: BIPM SI Brochure (SI prefixes).

Formula version 0.1.0Reviewed