Centimeter to Decimeter Converter
Convert Centimeter (cm) to Decimeter (dm) instantly. 1 cm = 0.1 dm.
Length Converter
31 units available
1 cm = 0.1 dm
Formula:
dm = cm × 0.1With your value: 1 cm = 0.1 dm
How big is that?
Everyday references on a logarithmic scale, all expressed in centimeter so you can sanity-check the result.
Other Centimeter to Decimeter conversions
Centimeter to Decimeter Conversion Table
| Centimeter (cm) | Decimeter (dm) |
|---|---|
| 0.5 | 0.05 |
| 1 | 0.1 |
| 2 | 0.2 |
| 5 | 0.5 |
| 10 | 1 |
| 15 | 1.5 |
| 20 | 2 |
| 25 | 2.5 |
| 50 | 5 |
| 100 | 10 |
| 250 | 25 |
| 500 | 50 |
| 1000 | 100 |
Decimeter to Centimeter Conversion Table
| Decimeter (dm) | Centimeter (cm) |
|---|---|
| 0.5 | 5 |
| 1 | 10 |
| 2 | 20 |
| 5 | 50 |
| 10 | 100 |
| 15 | 150 |
| 20 | 200 |
| 25 | 250 |
| 50 | 500 |
| 100 | 1,000 |
| 250 | 2,500 |
| 500 | 5,000 |
| 1000 | 10,000 |
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.
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
Decimeter (dm)
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 Centimeter to Decimeter
To convert from Centimeter (cm) to Decimeter (dm), multiply the value by 0.1.
Formula: dm = cm × 0.1
Reverse: cm = dm × 10
Step-by-Step Example
- Start with your value in Centimeter. For example: 5 cm
- Multiply by the conversion factor: 5 x 0.1
- The result is: 0.5 dm
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.
About Decimeter
The decimeter (dm) is a unit of distance and length. One decimeter equals 0.1 metres. UnitConvertLab converts it against every other length unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.
Common uses: length calculations, engineering and science, education.
Frequently Asked Questions
How many Decimeter are in 1 Centimeter?
There are exactly 0.1 Decimeter in 1 Centimeter. This means the conversion factor from Centimeter to Decimeter is 0.1.
What is the formula to convert Centimeter to Decimeter?
The formula to convert Centimeter to Decimeter is: dm = cm × 0.1. For example, to convert 10 Centimeter to Decimeter, you would multiply 10 by 0.1.
What is a Centimeter?
The centimeter equals one hundredth of a meter. It is commonly used for everyday measurements of length.
What is a Decimeter?
The decimeter (dm) is a unit of distance and length. One decimeter equals 0.1 metres. UnitConvertLab converts it against every other length unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.
What are the common uses of Centimeter?
The Centimeter is commonly used in body measurements, clothing, furniture.
Related Length Conversions
Cite this page
UnitConvertLab. (2026). Centimeter to Decimeter converter. UnitConvertLab. Retrieved from https://unitconvertlab.com/convert/centimeter-to-decimeter