---
title: "Centimeters to Kilometers — cm to km converter"
description: "1 centimeter = 0.00001 kilometers. Convert centimeters to kilometers with a full conversion table, the exact formula, and a calculator for any value."
url: https://atoneplace.net/convert/cm-to-km/
site: "At One Place"
---

# Centimeters to kilometers

**1 centimeter in kilometers: 1 cm = 0.00001 km**

km = cm × 0.00001

To convert centimeters to kilometers, multiply by 0.00001. The table below gives the values people look up most often, and the converter works for any number.

## Centimeters to kilometers table

*Common centimeter values converted to kilometers.*

| Centimeters | Kilometers |
| --- | --- |
| 1 cm | 0.00001 |
| 2 cm | 0.00002 |
| 3 cm | 0.00003 |
| 4 cm | 0.00004 |
| 5 cm | 0.00005 |
| 10 cm | 0.0001 |
| 15 cm | 0.00015 |
| 20 cm | 0.0002 |
| 25 cm | 0.00025 |
| 30 cm | 0.0003 |
| 40 cm | 0.0004 |
| 50 cm | 0.0005 |
| 75 cm | 0.00075 |
| 100 cm | 0.001 |
| 250 cm | 0.0025 |
| 500 cm | 0.005 |
| 1,000 cm | 0.01 |

## How the conversion works

The relationship is km = cm × 0.00001. Both units measure length, so the conversion is a fixed factor that never changes.

## Common questions

### How many kilometers are in one centimeter?

One centimeter equals 0.00001 kilometers. km = cm × 0.00001.

### How do you convert centimeters to kilometers?

Use km = cm × 0.00001. So 10 cm is 0.0001 km.

### How many centimeters are in one kilometer?

One kilometer equals 100,000 centimeters, which is the reverse of the conversion above.

## Related pages

- [Kilometers to Centimeters](https://atoneplace.net/convert/km-to-cm/)
- [Centimeters to Meters](https://atoneplace.net/convert/cm-to-meters/)
- [Centimeters to Millimeters](https://atoneplace.net/convert/cm-to-mm/)
- [Centimeters to Miles](https://atoneplace.net/convert/cm-to-miles/)
- [Centimeters to Yards](https://atoneplace.net/convert/cm-to-yards/)
- [Centimeters to Feet](https://atoneplace.net/convert/cm-to-feet/)
- [Centimeters to Inches](https://atoneplace.net/convert/cm-to-inches/)

## Sources

- Guide for the Use of the International System of Units (SP 811) — NIST (https://www.nist.gov/pml/special-publication-811) [Public domain (US Government)]
- The International System of Units (SI Brochure) — Bureau International des Poids et Mesures (https://www.bipm.org/en/publications/si-brochure)
- Calculated on this page — At One Place (/about/)