Kilometers to Nanometers
Convert kilometers (km) to nanometers (nm). Type in either box; the other updates as you go.
How to convert kilometers to nanometers
To convert kilometers to nanometers, multiply the number of kilometers by 1,000,000,000,000.
Example
Convert 5 kilometers to nanometers:
Kilometer to nanometer conversion chart
| Kilometers (km) | Nanometers (nm) |
|---|---|
| 1 km | 1,000,000,000,000 nm |
| 2 km | 2,000,000,000,000 nm |
| 3 km | 3,000,000,000,000 nm |
| 4 km | 4,000,000,000,000 nm |
| 5 km | 5,000,000,000,000 nm |
| 6 km | 6,000,000,000,000 nm |
| 7 km | 7,000,000,000,000 nm |
| 8 km | 8,000,000,000,000 nm |
| 9 km | 9,000,000,000,000 nm |
| 10 km | 10,000,000,000,000 nm |
| 12 km | 12,000,000,000,000 nm |
| 15 km | 15,000,000,000,000 nm |
| 20 km | 20,000,000,000,000 nm |
| 25 km | 25,000,000,000,000 nm |
| 30 km | 30,000,000,000,000 nm |
| 40 km | 40,000,000,000,000 nm |
| 50 km | 50,000,000,000,000 nm |
| 60 km | 60,000,000,000,000 nm |
| 70 km | 70,000,000,000,000 nm |
| 75 km | 75,000,000,000,000 nm |
| 80 km | 80,000,000,000,000 nm |
| 90 km | 90,000,000,000,000 nm |
| 100 km | 100,000,000,000,000 nm |
| 150 km | 150,000,000,000,000 nm |
| 200 km | 200,000,000,000,000 nm |
| 250 km | 250,000,000,000,000 nm |
| 500 km | 500,000,000,000,000 nm |
| 1,000 km | 1 × 10¹⁵ nm |
About the units
Kilometer (km)
A kilometer is 1,000 meters. Road distances and running races outside the US and UK are measured in kilometers.
Nanometer (nm)
A nanometer is one billionth of a meter. Wavelengths of light and the features of computer chips are given in nanometers.
Frequently asked questions
How many nanometers are in a kilometer?
There are 1,000,000,000,000 nanometers in a kilometer.
How many kilometers are in a nanometer?
There are 1 × 10⁻¹² kilometers in a nanometer.
How do you convert kilometers to nanometers?
To convert kilometers to nanometers, multiply the number of kilometers by 1,000,000,000,000.
What is 5 kilometers in nanometers?
5 kilometers equals 5,000,000,000,000 nanometers.
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