Convert Centimeter to Decimeter

Enter the number of centimeters that you want to convert to decimeters.

1 cm (centimeters) = 0.1 dm (decimeters)

How to Convert Centimeters to Decimeters

The centimeter and decimeter are both units of length. By definition, 1 decimeter equals exactly 10 centimeters. This means to convert centimeters to decimeters, you divide by 10.

Formula

decimeters = centimeters ÷ 10

Step-by-Step Example

Convert 5 cm to decimeters:

1
Convert 5 cm to decimeters

We need to convert centimeters to decimeters

2
Apply the formula

Since 1 dm = 10 cm, divide by 10

5 ÷ 10 = 0.5

Answer

5 cm = 0.5 dm

Centimeter to Decimeter Conversion Table

Quick reference table for common centimeter to decimeter conversions. Click any value for detailed calculation.

Centimeters (cm) Decimeters (dm)
1 cm 0.1 dm
2 cm 0.2 dm
5 cm 0.5 dm
10 cm 1 dm
15 cm 1.5 dm
20 cm 2 dm
25 cm 2.5 dm
50 cm 5 dm
100 cm 10 dm

About These Units

Centimeter (cm)

A centimeter (cm) is a metric unit of length equal to 1/100 of a meter or 0.3937 inches. Centimeters are widely used worldwide for measuring height, body dimensions, clothing sizes, screen diagonals, and small objects. Key conversion: 1 inch = 2.54 cm exactly.

Decimeter (dm)

A decimeter (dm) is a metric unit of length equal to 1/10 of a meter, 10 centimeters, or approximately 3.94 inches. Decimeters are commonly used in Europe for measuring furniture dimensions, fabric lengths, and in educational contexts.

Frequently Asked Questions

How do I convert centimeters to decimeters?

To convert centimeters to decimeters, divide the value by 10. For example, 10 cm = 1 dm.

How many decimeters are in 1 centimeter?

1 centimeter equals 0.1 decimeters.

What is the formula for centimeters to decimeters?

The formula is: dm = cm ÷ 10.