The Unit Converters

Millimeter to Decimeter

1 Millimeter = 0.01 Decimeter


Conversion Formula

To convert Millimeter to Decimeter, multiply the value by 0.01.

Millimeter × 0.01 = Decimeter

Quick Reference

mm dm
1 0.01
5 0.05
10 0.1
25 0.25
50 0.5
100 1
500 5
1000 10

What is Millimeter?

The millimeter (symbol: mm) is a unit of length in the International System of Units (SI).

It is a metric unit that is equal to one-thousandth of a meter (0.001 m). It is commonly used for very small distances or thickness, such as the thickness of a credit card or the diameter of a small wire.

Common Uses

The millimeter is widely used in engineering, manufacturing, and design where precision is required. It is also the standard unit for measuring rainfall in many countries.

What is Decimeter?

The decimeter (symbol: dm) is a decimal unit of length, equal to one-tenth of a meter.

Common Uses

Decimeters are used in physics and chemistry to describe volumes (e.g., $1 \text{ dm}^3 = 1 \text{ liter}$) and in some European countries for small measurements in construction and design.

How many decimeter are in a millimeter?

There are 0.01 decimeter in 1 millimeter.


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