kilometre to nanometre
1 kilometre equals 1000000000000 nanometre, and 1 nanometre equals 1e-12 kilometre.
Conversion formula
nm = km × 1000000000000
To convert kilometre to nanometre, multiply the value by 1000000000000.
Conversion table
| 1 km | 1000000000000 nm |
|---|---|
| 2 km | 2000000000000 nm |
| 5 km | 5000000000000 nm |
| 10 km | 10000000000000 nm |
| 25 km | 25000000000000 nm |
| 50 km | 50000000000000 nm |
| 100 km | 100000000000000 nm |
| 500 km | 500000000000000 nm |
| 1000 km | 1000000000000000 nm |
Reverse conversion table
| 1 nm | 1e-12 km |
|---|---|
| 2 nm | 2e-12 km |
| 5 nm | 5e-12 km |
| 10 nm | 1e-11 km |
| 25 nm | 2.5e-11 km |
| 50 nm | 5e-11 km |
| 100 nm | 1e-10 km |
| 500 nm | 5e-10 km |
| 1000 nm | 1e-9 km |
Key facts
| 1 kilometre | 1000000000000 nanometre |
|---|---|
| 1 nanometre | 1e-12 kilometre |
Frequently asked questions
How do I convert kilometre to nanometre?
Multiply the kilometre value by 1000000000000 to get nanometre. For example, 10 kilometre = 10000000000000 nanometre.
How do I convert nanometre back to kilometre?
Divide the nanometre value by 1000000000000 (equivalently, multiply by 1e-12) to get kilometre.
Reverse conversion
Printable A4 conversion cheat sheet — see the Downloads page