---
title: "1 cm to km = 0.00001 km"
description: "1 centimeter is 0.00001 kilometers. The arithmetic, a table of nearby values, and a converter for any other number."
url: https://atoneplace.net/convert/1-cm-to-km/
site: "At One Place"
---

# 1 cm to km

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

km = cm × 0.00001

1 centimeter is 0.00001 kilometers. To get there, multiply by 0.00001.

## Values either side

*Centimeters near 1, converted to kilometers.*

| Centimeters | Kilometers |
| --- | --- |
| 0.5 cm | 0.000005 |
| 1 cm ← | 0.00001 |
| 1.5 cm | 0.000015 |
| 2 cm | 0.00002 |
| 2.5 cm | 0.000025 |
| 3 cm | 0.00003 |

## 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

### What is 1 cm in kilometers?

1 cm is 0.00001 km.

### How do you convert centimeters to kilometers?

Multiply by 0.00001.

## Related pages

- [Centimeters to kilometers](https://atoneplace.net/convert/cm-to-km/)
- [1 km to cm](https://atoneplace.net/convert/1-km-to-cm/)
- [0.5 cm to km](https://atoneplace.net/convert/0-5-cm-to-km/)
- [1.5 cm to km](https://atoneplace.net/convert/1-5-cm-to-km/)
- [2 cm to km](https://atoneplace.net/convert/2-cm-to-km/)
- [2.5 cm to km](https://atoneplace.net/convert/2-5-cm-to-km/)
- [3 cm to km](https://atoneplace.net/convert/3-cm-to-km/)

## 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/)