Kilometer to Centimeter Converter
Convert Kilometer (km) to Centimeter (cm) instantly. 1 km = 100,000 cm.
Length Converter
31 units available
1 km = 100,000 cm
Formula:
cm = km × 100,000With your value: 1 km = 100,000 cm
How big is that?
Everyday references on a logarithmic scale, all expressed in kilometer so you can sanity-check the result.
Other Kilometer to Centimeter conversions
Kilometer to Centimeter Conversion Table
| Kilometer (km) | Centimeter (cm) |
|---|---|
| 0.5 | 50,000 |
| 1 | 100,000 |
| 2 | 200,000 |
| 5 | 500,000 |
| 10 | 1,000,000 |
| 15 | 1,500,000 |
| 20 | 2,000,000 |
| 25 | 2,500,000 |
| 50 | 5,000,000 |
| 100 | 10,000,000 |
| 250 | 25,000,000 |
| 500 | 50,000,000 |
| 1000 | 100,000,000 |
Centimeter to Kilometer Conversion Table
| Centimeter (cm) | Kilometer (km) |
|---|---|
| 0.5 | 5.000000e-6 |
| 1 | 1.000000e-5 |
| 2 | 2.000000e-5 |
| 5 | 5.000000e-5 |
| 10 | 0.0001 |
| 15 | 0.00015 |
| 20 | 0.0002 |
| 25 | 0.00025 |
| 50 | 0.0005 |
| 100 | 0.001 |
| 250 | 0.0025 |
| 500 | 0.005 |
| 1000 | 0.01 |
Where these values come from
Every factor on this page is traced to the document that defines it. See the full provenance dataset or our methodology.
Kilometer (km)
Length
Traceable to the metre, defined by fixing the speed of light in vacuum at 299 792 458 m/s. Imperial lengths derive from the 1959 international yard (0.9144 m exactly).
Source: BIPM, The International System of Units (SI), 9th edition, 2019 (updated 2024)
Bureau International des Poids et Mesures · Reviewed 2026-07-01
Centimeter (cm)
Length
Traceable to the metre, defined by fixing the speed of light in vacuum at 299 792 458 m/s. Imperial lengths derive from the 1959 international yard (0.9144 m exactly).
Source: BIPM, The International System of Units (SI), 9th edition, 2019 (updated 2024)
Bureau International des Poids et Mesures · Reviewed 2026-07-01
How to Convert Kilometer to Centimeter
To convert from Kilometer (km) to Centimeter (cm), multiply the value by 100,000.
Formula: cm = km × 100,000
Reverse: km = cm × 0.00001
Step-by-Step Example
- Start with your value in Kilometer. For example: 5 km
- Multiply by the conversion factor: 5 x 100,000
- The result is: 500,000 cm
About Kilometer
The kilometer equals 1,000 meters and is the standard unit for measuring distances between geographical locations in most countries.
Fun Fact: The circumference of Earth is approximately 40,075 km.
Common uses: road distances, geography, running.
About Centimeter
The centimeter equals one hundredth of a meter. It is commonly used for everyday measurements of length.
Common uses: body measurements, clothing, furniture.
Frequently Asked Questions
How many Centimeter are in 1 Kilometer?
There are exactly 100,000 Centimeter in 1 Kilometer. This means the conversion factor from Kilometer to Centimeter is 100,000.
What is the formula to convert Kilometer to Centimeter?
The formula to convert Kilometer to Centimeter is: cm = km × 100,000. For example, to convert 10 Kilometer to Centimeter, you would multiply 10 by 100,000.
What is a Kilometer?
The kilometer equals 1,000 meters and is the standard unit for measuring distances between geographical locations in most countries.
What is a Centimeter?
The centimeter equals one hundredth of a meter. It is commonly used for everyday measurements of length.
What are the common uses of Kilometer?
The Kilometer is commonly used in road distances, geography, running.
Related Length Conversions
Cite this page
UnitConvertLab. (2026). Kilometer to Centimeter converter. UnitConvertLab. Retrieved from https://unitconvertlab.com/convert/kilometer-to-centimeter