1 kilometer (km) = 1,000,000,000,000 nanometers (nm). To convert, multiply by 1,000,000,000,000: nm = km × 1,000,000,000,000. For example, 5 km = 5,000,000,000,000 nm.
nm = km × 1,000,000,000,000
Kilometers to nanometers table
| Kilometers (km) | Nanometers (nm) |
|---|---|
| 1 | 1,000,000,000,000 |
| 2 | 2,000,000,000,000 |
| 3 | 3,000,000,000,000 |
| 4 | 4,000,000,000,000 |
| 5 | 5,000,000,000,000 |
| 10 | 10,000,000,000,000 |
| 20 | 20,000,000,000,000 |
| 25 | 25,000,000,000,000 |
| 50 | 50,000,000,000,000 |
| 100 | 100,000,000,000,000 |
| 250 | 250,000,000,000,000 |
| 500 | 500,000,000,000,000 |
| 1,000 | 1e+15 |
The two units
Kilometer (km). One thousand meters.
Nanometer (nm). One billionth of a meter, the scale used for light wavelengths and chip features.
Convert kilometers to other units
- Kilometers to meters — 1 km = 1,000 m
- Kilometers to centimeters — 1 km = 100,000 cm
- Kilometers to millimeters — 1 km = 1,000,000 mm
- Kilometers to micrometers — 1 km = 1,000,000,000 µm
- Kilometers to miles — 1 km = 0.6213711922 mi
- Kilometers to yards — 1 km = 1,093.613298 yd
- Kilometers to feet — 1 km = 3,280.839895 ft
- Kilometers to inches — 1 km = 39,370.07874 in
- Kilometers to nautical miles — 1 km = 0.5399568035 nmi
Convert other units to nanometers
Questions people ask
- How many nanometers are in a kilometer?
- 1,000,000,000,000.
- How do you convert kilometers to nanometers?
- nm = km × 1,000,000,000,000. It is the same as dividing by 1e-12.
- How do you convert nanometers back to kilometers?
- km = nm ÷ 1,000,000,000,000. See nanometers to kilometers.
Results use the legal definitions of each unit and are checked against the Pint unit library. Display rounds to 10 significant digits. All unit conversions · More tools
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