# Millimeters to Decimeters (mm to dm)

## Millimeters to Decimeters (mm to dm) conversion calculator

Decimeters to Millimeters (Swap units)

1mm = 0.01dm

Accuracy

Note: You can increase or decrease the accuracy of this answer by selecting the number of significant figures required from the options above the result.

### Millimeters to Decimeters formula

Decimeters = Millimeters / 100

### Millimeters to Decimeters calculation

Decimeters = Millimeters / 100

Decimeters = 1 / 100

Decimeters = 0.01

## How do you convert millimeters to decimeters?

To convert millimeters to decimeters, you need to understand the relationship between these two units of measurement. Millimeters and decimeters are both units of length in the metric system, with millimeters being the smaller unit and decimeters being the larger unit.

To convert millimeters to decimeters, you need to divide the number of millimeters by 10. This is because there are 10 millimeters in 1 decimeter. For example, if you have 100 millimeters, you would divide 100 by 10 to get 10 decimeters. Similarly, if you have 150 millimeters, you would divide 150 by 10 to get 15 decimeters.

## What is a millimeter?

A millimeter is a thousandth of a meter (1/1000) which is the SI (International System of Units) unit of length. It is normally used to measure small lengths like the thickness of a sheet of paper or the dimensions of a small object.

One millimeter is approximately equal to 0.03937 inches (about 1/25th). Presicely there are 25.4 millimeters in an inch and it is often used in science and engineering. It is used in countries that have adopted the metric system.

You may come across millimeters when measuring the size of electronic components, jewelry or even the thickness of a fingernail.

## What is a decimeter?

A decimeter is a unit of length in the metric system, specifically in the International System of Units (SI). It is equal to one-tenth of a meter or 10 centimeters. The prefix "deci" indicates a factor of 10^-1, which means that a decimeter is 10 times smaller than a meter.

The decimeter is commonly used in various fields, including science, engineering, and everyday measurements. It provides a convenient unit for measuring small distances, especially when centimeters are too small and meters are too large. For example, a decimeter can be used to measure the length of small objects such as pencils, books, or the width of a hand.

In comparison to the imperial system, a decimeter is equivalent to approximately 3.937 inches. This conversion factor allows for easy conversion between the metric and imperial systems. The decimeter is part of a larger range of metric units, which provide a consistent and decimal-based system for measuring length, mass, volume, and other quantities.

Starting value
Increment
Accuracy
Millimeters
Decimeters
0mm
0.00000dm
1mm
0.01000dm
2mm
0.02000dm
3mm
0.03000dm
4mm
0.04000dm
5mm
0.05000dm
6mm
0.06000dm
7mm
0.07000dm
8mm
0.08000dm
9mm
0.09000dm
10mm
0.10000dm
11mm
0.11000dm
12mm
0.12000dm
13mm
0.13000dm
14mm
0.14000dm
15mm
0.15000dm
16mm
0.16000dm
17mm
0.17000dm
18mm
0.18000dm
19mm
0.19000dm
Millimeters
Decimeters
20mm
0.20000dm
21mm
0.21000dm
22mm
0.22000dm
23mm
0.23000dm
24mm
0.24000dm
25mm
0.25000dm
26mm
0.26000dm
27mm
0.27000dm
28mm
0.28000dm
29mm
0.29000dm
30mm
0.30000dm
31mm
0.31000dm
32mm
0.32000dm
33mm
0.33000dm
34mm
0.34000dm
35mm
0.35000dm
36mm
0.36000dm
37mm
0.37000dm
38mm
0.38000dm
39mm
0.39000dm
Millimeters
Decimeters
40mm
0.40000dm
41mm
0.41000dm
42mm
0.42000dm
43mm
0.43000dm
44mm
0.44000dm
45mm
0.45000dm
46mm
0.46000dm
47mm
0.47000dm
48mm
0.48000dm
49mm
0.49000dm
50mm
0.50000dm
51mm
0.51000dm
52mm
0.52000dm
53mm
0.53000dm
54mm
0.54000dm
55mm
0.55000dm
56mm
0.56000dm
57mm
0.57000dm
58mm
0.58000dm
59mm
0.59000dm
Millimeters
Decimeters
60mm
0.60000dm
61mm
0.61000dm
62mm
0.62000dm
63mm
0.63000dm
64mm
0.64000dm
65mm
0.65000dm
66mm
0.66000dm
67mm
0.67000dm
68mm
0.68000dm
69mm
0.69000dm
70mm
0.70000dm
71mm
0.71000dm
72mm
0.72000dm
73mm
0.73000dm
74mm
0.74000dm
75mm
0.75000dm
76mm
0.76000dm
77mm
0.77000dm
78mm
0.78000dm
79mm
0.79000dm