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Centimeters to Decimeters Converter

cm → dm: type a value and the result appears instantly.

1 cm = 0.1 dm
1 dm = 10 cm
—

How to convert centimeters to decimeters

Use this formula:

dm = cm × 0.1

Examples

cm to dm conversion chart

centimeters (cm)decimeters (dm)
0.1 cm0.01 dm
0.25 cm0.025 dm
0.5 cm0.05 dm
1 cm0.1 dm
2 cm0.2 dm
3 cm0.3 dm
4 cm0.4 dm
5 cm0.5 dm
6 cm0.6 dm
7 cm0.7 dm
8 cm0.8 dm
9 cm0.9 dm
10 cm1 dm
12 cm1.2 dm
15 cm1.5 dm
20 cm2 dm
25 cm2.5 dm
30 cm3 dm
40 cm4 dm
50 cm5 dm
60 cm6 dm
70 cm7 dm
75 cm7.5 dm
80 cm8 dm
90 cm9 dm
100 cm10 dm
150 cm15 dm
200 cm20 dm
250 cm25 dm
500 cm50 dm
1,000 cm100 dm

About the units

Centimeter (cm) is a metric (SI) unit. 1 cm = 0.01 m.

Decimeter (dm) is a metric (SI) unit. 1 dm = 10 cm.

Frequently asked questions

How do I convert centimeters to decimeters?
Multiply the value in cm by 0.1.
How many decimeters are in 1 centimeter?
1 cm = 0.1 dm.
What is 12 cm in dm?
12 cm = 1.2 dm.
How do I convert decimeters to centimeters?
Use the reverse converter: dm → cm.

Length Converter →

Sources: NIST SP 811 · BIPM SI Brochure · NIST Handbook 44. Last reviewed: 2026-10 · FreeUnitConverters