How many nanometers are in Kilometers? Use this easy and mobile-friendly calculator to convert between kilometers and nanometers.

**Read: Kilometers to Micrometers – Convert km to µm Online**

## How Many Nanometers in a Kilometer?

**There are 1,000,000,000,000 nanometers in a kilometer.**

The detailed explanation is:

1 kilometer = 1000 meters

(Relationship between kilometers and meters)

1 meter = 1,000,000,000 nanometers (Relationship between meters and nanometers)

Combining the two relationships:

1 kilometer = 1000 meters = 1000 x 1,000,000,000 nanometers

= 1,000,000,000,000 nanometers

**So there are 1,000,000,000,000 nanometers in 1 kilometer.**

## Difference Between Kilometers and Nanometers

Kilometers and nanometers are both units of length in the metric system, but they are used to measure very different scales of distance:

**Scale and Magnitude**:- A kilometer (km) is a unit of length that represents 1,000 meters and is used for measuring large distances, such as the distance between cities or the length of a road.
- A nanometer (nm) is a unit of length that represents one billionth (1/1,000,000,000) of a meter. It is used to measure extremely small distances, such as the dimensions of molecules, atoms, or components of cells.

**Conversion Factor**:- There are 1,000,000,000,000 nanometers in a kilometer. The conversion factor between the two units is 10^12.
- To convert kilometers to nanometers, you multiply by 1,000,000,000,000.
- To convert nanometers to kilometers, you divide by 1,000,000,000,000.

**Usage**:- Kilometers are commonly used in everyday situations where large-scale measurements are needed, such as in geography, transportation, and sports events.
- Nanometers are used in scientific fields such as physics, chemistry, and engineering, especially in nanotechnology, where the manipulation of matter at the atomic or molecular level is involved.

## How to Convert Kilometers to Nanometers?

To convert kilometers to nanometers, you can use the conversion factor that defines the relationship between these two length units. The conversion factor is based on the fact that 1 kilometer is approximately equal to 1,000,000,000 nanometers. Here’s the step-by-step process:

**Conversion Formula:**

Nanometers = Kilometers × 1,000,000,000,000

**Task:**

Convert 5 kilometers to Nanometers.

**Calculation:**

Number of Nanometers = 5 × 1,000,000,000,000 = 5,000,000,000,000 nm

**Therefore, 5 kilometers is equal to 5,000,000,000,000 nanometers.**

## Kilometers to Nanometers (km to nm) Conversion Table

Here is a table converting kilometers to nanometers for the specified ranges:

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 |

6 | 6,000,000,000,000 |

7 | 7,000,000,000,000 |

8 | 8,000,000,000,000 |

9 | 9,000,000,000,000 |

10 | 10,000,000,000,000 |

20 | 20,000,000,000,000 |

30 | 30,000,000,000,000 |

40 | 40,000,000,000,000 |

50 | 50,000,000,000,000 |

60 | 60,000,000,000,000 |

70 | 70,000,000,000,000 |

80 | 80,000,000,000,000 |

90 | 90,000,000,000,000 |

100 | 100,000,000,000,000 |

200 | 200,000,000,000,000 |

300 | 300,000,000,000,000 |

400 | 400,000,000,000,000 |

500 | 500,000,000,000,000 |

600 | 600,000,000,000,000 |

700 | 700,000,000,000,000 |

800 | 800,000,000,000,000 |

900 | 900,000,000,000,000 |

1000 | 1,000,000,000,000,000 |

To convert kilometers to nanometers, you multiply the number of kilometers by 1,000,000,000,000 (since 1 kilometer equals 1,000,000,000,000 nanometers).

#### References:

https://physics.nist.gov/cuu/pdf/sp330.pdf

https://physics.nist.gov/cuu/pdf/sp811.pdf

#### Link to this Page

If you'd like to cite the online calculator on the page, you can use the following citation: Keith Woods, "*Kilometers to Nanometers – Convert km to µm Online*", Available at: https://robocalculator.com/convert/kilometers-to-nanometers/ URL, Accessed Date: [ April 15, 2024 ]