1 kilometer to nanometers
1 km = 1,000,000,000,000 nm. Change the amount below, or read the formula and the reference table further down.
1 kilometer equals
nanometers
1 km = 1,000,000,000,000 nm
The formula
Kilometers and nanometers both measure length from the same zero, so a single multiplier does the job.
nm = km × 1,000,000,000,000
Going the other way? Convert nanometers to kilometers.
Kilometers to nanometers table
Values either side of 1 km.
| Kilometers (km) | Nanometers (nm) |
|---|---|
| -4 | -4,000,000,000,000 |
| -3.5 | -3,500,000,000,000 |
| -3 | -3,000,000,000,000 |
| -2.5 | -2,500,000,000,000 |
| -2 | -2,000,000,000,000 |
| -1.5 | -1,500,000,000,000 |
| -1 | -1,000,000,000,000 |
| -0.5 | -500,000,000,000 |
| 0 | 0 |
| 0.5 | 500,000,000,000 |
| 1 | 1,000,000,000,000 |
| 1.5 | 1,500,000,000,000 |
| 2 | 2,000,000,000,000 |
| 2.5 | 2,500,000,000,000 |
| 3 | 3,000,000,000,000 |
| 3.5 | 3,500,000,000,000 |
| 4 | 4,000,000,000,000 |
| 4.5 | 4,500,000,000,000 |
| 5 | 5,000,000,000,000 |
| 5.5 | 5,500,000,000,000 |
| 6 | 6,000,000,000,000 |
Questions people ask
- How many nanometers are in a kilometer?
- One kilometer equals 1,000,000,000,000 nanometers.
- How do I convert kilometers to nanometers by hand?
- Multiply the number of kilometers by 1,000,000,000,000. For a rough check, 1,000,000,000,000 is close enough for most everyday use.
- What is 1 kilometer in nanometers?
- 1 kilometer is 1,000,000,000,000 nanometers.
Calcuit generates this page from a unit table, so the factors here match every other page on the site.