Kilometers to Nanometers
1 km = 1 × 10¹² nm. Edit either value to convert instantly.
Conversion formula
nm = km × (1,000) × (1 × 10⁹)1 km = 1 × 10¹² nm
kilometer (km)
One kilometer equals exactly 1,000 m.
Source: BIPM SI Brochure, 9th edition — SI prefixes and accepted non-SI units
nanometer (nm)
One nanometer equals exactly 1 × 10⁻⁹ m.
Source: BIPM SI Brochure, 9th edition — SI prefixes and accepted non-SI units
Conversion table
| km | nm |
|---|---|
| = 1 × 10¹² | |
| = 2 × 10¹² | |
| = 5 × 10¹² | |
| = 1 × 10¹³ | |
| = 1.5 × 10¹³ | |
| = 2 × 10¹³ | |
| = 2.5 × 10¹³ | |
| = 3 × 10¹³ | |
| = 4 × 10¹³ | |
| = 4.5 × 10¹³ |
| km | nm |
|---|---|
| = 5 × 10¹³ | |
| = 6 × 10¹³ | |
| = 7 × 10¹³ | |
| = 8 × 10¹³ | |
| = 9 × 10¹³ | |
| = 1 × 10¹⁴ | |
| = 1.5 × 10¹⁴ | |
| = 1.6 × 10¹⁴ | |
| = 1.7 × 10¹⁴ | |
| = 1.8 × 10¹⁴ |
Frequently asked questions
How many nanometers are in 1 kilometer?
1 km = 1 × 10¹² nm. nm = km × (1,000) × (1 × 10⁹)
How do I convert km to nm?
nm = km × (1,000) × (1 × 10⁹)
Is 1 kilometer bigger than 1 nanometer?
1 km = 1 × 10¹² nm.
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