Skip to content
Free Length Converter

Kilometer to nanometer.

One kilometer equals 1000000000000 nanometer. Use this converter for quick, accurate km to nm conversions.

To

Conversion formula.

1 km = 1000000000000 nm

To convert kilometer to nanometer, multiply the value in km by 1000000000000.

Quick examples

  • 1 km = 1000000000000 nm
  • 5 km = 5e+12 nm
  • 10 km = 1e+13 nm
  • 100 km = 1e+14 nm

Kilometer to Nanometer conversion table.

Kilometer (km)Nanometer (nm)
11000000000000
22e+12
33e+12
44e+12
55e+12
66e+12
77e+12
88e+12
99e+12
101e+13
111.1e+13
121.2e+13
131.3e+13
141.4e+13
151.5e+13
161.6e+13
171.7e+13
181.8e+13
191.9e+13
202e+13

Frequently asked questions.

How many nanometer are in a kilometer?
One kilometer equals 1000000000000 nanometer (nm).
How do I convert km to nm?
Multiply the value in km by 1000000000000. For example, 10 km = 1e+13 nm.
Is this conversion exact?
Yes. This converter uses the internationally defined factor: 1 km = 1000000000000 nm.