Decimeters to Millimeters (dm to mm)

Decimeters to Millimeters (dm to mm) conversion calculator

Millimeters to Decimeters (Swap units) Buy tape measures here (sponsored link)

1dm = 100mm

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.

Decimeters to Millimeters formula

Millimeters = Decimeters * 100

Decimeters to Millimeters calculation

Millimeters = Decimeters * 100

Millimeters = 1 * 100

Millimeters = 100

How do I convert Decimeters to Millimeters?

Decimeters are equal to 10 centimeters or 100 millimeters. This means that 1 decimeter is equivalent to 100 millimeters. To convert decimeters to millimeters, you simply need to multiply the number of decimeters by 100. For example, if you have 5 decimeters, you would multiply 5 by 100 to get 500 millimeters.

To make the conversion process easier, you can also use the fact that there are 10 millimeters in 1 centimeter. Since there are 10 centimeters in 1 decimeter, you can multiply the number of decimeters by 10 and then by 10 again to get the equivalent number of millimeters.

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.

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.

 

Decimeters to Millimeters table

Starting value
Increment
Accuracy
Decimeters
Millimeters
0dm
0.00000mm
1dm
100.00000mm
2dm
200.00000mm
3dm
300.00000mm
4dm
400.00000mm
5dm
500.00000mm
6dm
600.00000mm
7dm
700.00000mm
8dm
800.00000mm
9dm
900.00000mm
10dm
1,000.00000mm
11dm
1,100.00000mm
12dm
1,200.00000mm
13dm
1,300.00000mm
14dm
1,400.00000mm
15dm
1,500.00000mm
16dm
1,600.00000mm
17dm
1,700.00000mm
18dm
1,800.00000mm
19dm
1,900.00000mm
Decimeters
Millimeters
20dm
2,000.00000mm
21dm
2,100.00000mm
22dm
2,200.00000mm
23dm
2,300.00000mm
24dm
2,400.00000mm
25dm
2,500.00000mm
26dm
2,600.00000mm
27dm
2,700.00000mm
28dm
2,800.00000mm
29dm
2,900.00000mm
30dm
3,000.00000mm
31dm
3,100.00000mm
32dm
3,200.00000mm
33dm
3,300.00000mm
34dm
3,400.00000mm
35dm
3,500.00000mm
36dm
3,600.00000mm
37dm
3,700.00000mm
38dm
3,800.00000mm
39dm
3,900.00000mm
Decimeters
Millimeters
40dm
4,000.00000mm
41dm
4,100.00000mm
42dm
4,200.00000mm
43dm
4,300.00000mm
44dm
4,400.00000mm
45dm
4,500.00000mm
46dm
4,600.00000mm
47dm
4,700.00000mm
48dm
4,800.00000mm
49dm
4,900.00000mm
50dm
5,000.00000mm
51dm
5,100.00000mm
52dm
5,200.00000mm
53dm
5,300.00000mm
54dm
5,400.00000mm
55dm
5,500.00000mm
56dm
5,600.00000mm
57dm
5,700.00000mm
58dm
5,800.00000mm
59dm
5,900.00000mm
Decimeters
Millimeters
60dm
6,000.00000mm
61dm
6,100.00000mm
62dm
6,200.00000mm
63dm
6,300.00000mm
64dm
6,400.00000mm
65dm
6,500.00000mm
66dm
6,600.00000mm
67dm
6,700.00000mm
68dm
6,800.00000mm
69dm
6,900.00000mm
70dm
7,000.00000mm
71dm
7,100.00000mm
72dm
7,200.00000mm
73dm
7,300.00000mm
74dm
7,400.00000mm
75dm
7,500.00000mm
76dm
7,600.00000mm
77dm
7,700.00000mm
78dm
7,800.00000mm
79dm
7,900.00000mm