Convert Nanometer to Kilometer
Use this free converter to change nanometers (nm) into kilometers (km). Nanometer and kilometer both measure length. As a quick reference, 1 nm equals 1.0000e-12 km, and 1 km equals 1000000000000 nm.
Free · runs in your browser · no sign-up
Kilometer (km)
1.0000e-12
1 nm = 1.0000e-12 km
Length conversion table
| Nanometer | Kilometer |
|---|---|
| 0.01 | 1.0000e-14 |
| 0.1 | 1.0000e-13 |
| 0.5 | 5.0000e-13 |
| 1 | 1.0000e-12 |
| 2 | 2.0000e-12 |
| 3 | 3.0000e-12 |
| 5 | 5.0000e-12 |
| 10 | 1.0000e-11 |
| 20 | 2.0000e-11 |
| 25 | 2.5000e-11 |
| 50 | 5.0000e-11 |
| 100 | 1.0000e-10 |
| 1,000 | 1.0000e-9 |
How to convert Nanometer to Kilometer
Multiply the nanometer value by 1.0000e-12 to get kilometers.
- Enter the number of nanometers you want to convert.
- The converter instantly shows the equivalent value in kilometers.
- Worked example: 15 nm × 1.0000e-12 = 1.5000e-11 km.
- Use the swap button to reverse the conversion (kilometer to nanometer).
About these units
Nanometer (nm)
- Definition
- A nanometer (nm) is one billionth of a meter, the scale of atoms, molecules, and wavelengths of light.
- History
- It combines the SI prefix "nano-" (one billionth) with the meter and became common with the rise of nanotechnology.
- Current use
- Nanometers measure the wavelengths of visible light (about 380–750 nm) and the feature sizes of modern microchips.
Kilometer (km)
- Definition
- A kilometer (km) is 1,000 meters and is the metric unit used for measuring longer distances such as roads and travel.
- History
- It entered use with the metric system in the 1790s, combining the SI prefix "kilo-" (thousand) with the meter.
- Current use
- Most of the world expresses road distances and speed limits in kilometers; the main exceptions are the United States and the United Kingdom, which still use miles.
Frequently asked questions
How many kilometers are in a nanometer?
There are 1.0000e-12 km in 1 nm. To convert, multiply the number of nanometers by 1.0000e-12.
How do I convert nanometers to kilometers?
Multiply the nanometer value by 1.0000e-12 to get kilometers. For example, 10 nm = 1.0000e-11 km.
Is this nanometer-to-kilometer converter free?
Yes. This converter is completely free, runs entirely in your browser, and requires no sign-up. Your inputs never leave your device.
Convert Nanometer to other length units
| Unit | 1 Nanometer equals |
|---|---|
| Meter (m) | 1.0000e-9 m |
| Kilometer (km) | 1.0000e-12 km |
| Centimeter (cm) | 1.0000e-7 cm |
| Millimeter (mm) | 0.000001 mm |
| Micrometer (µm) | 0.001 µm |
| Mile (mi) | 6.2137e-13 mi |
| Yard (yd) | 1.0936e-9 yd |
| Foot (ft) | 3.2808e-9 ft |
| Inch (in) | 3.9370e-8 in |
| Nautical Mile (nmi) | 5.3996e-13 nmi |
| Light Year (ly) | 1.0570e-25 ly |