Decimeters (dm) to Millimeters (mm) Converter

This length unit converter dynamically calculates the value you enter in decimeters (dm) and converts it to its equivalent value in millimeters (mm).

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How many decimeters (dm) are in 1 millimeter (mm)? What is the formula for how to convert decimeters to millimeters (dm to mm)?

1 decimeter (dm) = 100 millimeters (mm)
So we can say that there are 100 millimeters in 1 decimeter.
This means that the multiplication conversion factor to convert a quantity expressed in a decimeter unit of measurement to an equivalent quantity expressed in a millimeter unit of measurement is 100.

Inversely (or reciprocally),

1 millimeter (mm) = 0.01 decimeter (dm)
So we can say that there is 0.01 decimeter in 1 millimeter.
This means that the division conversion factor to convert a quantity expressed in a decimeter unit of measurement to an equivalent quantity expressed in a millimeter unit of measurement is 0.01.

Knowing this inverse mathematical relationship between the two conversion factors and their reciprocal operations, we can derive two formulas to calculate and convert a quantity of length expressed in decimeters to an equivalent quantity of length expressed in millimeters (dm to mm). Both formulas will yield the same result. The formulas are:

mm = dm × 100    → This is the formula based on the multiplication conversion factor.

and

mm = dm ÷ 0.01    → This is the formula based on the division conversion factor.

For example, if you have a length of 75 decimeters that you want to convert to millimeters, you would use either of the two formulas as follows:

mm = 75 dm × 100 = 7,500 mm
mm = 75 dm ÷ 0.01 = 7,500 mm

So, the result is the same using either formula, which is 7,500 millimeters.

Decimeters to millimeters (dm to mm) conversion chart

To save you time and effort spent on having to perform manual calculations or look up conversion formulas every time a conversion from decimeters to millimeters is needed, here is a decimeters-to-millimeters conversion chart for your quick and easy reference. This conversion chart (or conversion table) shows common measurement values of length in decimeters and their equivalent measurement values in millimeters. These equivalent measurement values may be rounded off to 1 or 2 decimal places when it is mathematically expedient for everyday applications.

decimeters (dm)millimeters (mm)
1 dm100 mm
2 dm200 mm
3 dm300 mm
4 dm400 mm
5 dm500 mm
6 dm600 mm
7 dm700 mm
8 dm800 mm
9 dm900 mm
10 dm1,000 mm
11 dm1,100 mm
12 dm1,200 mm
13 dm1,300 mm
14 dm1,400 mm
15 dm1,500 mm
16 dm1,600 mm
17 dm1,700 mm
18 dm1,800 mm
19 dm1,900 mm
20 dm2,000 mm
21 dm2,100 mm
22 dm2,200 mm
23 dm2,300 mm
24 dm2,400 mm
25 dm2,500 mm
26 dm2,600 mm
27 dm2,700 mm
28 dm2,800 mm
29 dm2,900 mm
30 dm3,000 mm
31 dm3,100 mm
32 dm3,200 mm
33 dm3,300 mm
34 dm3,400 mm
35 dm3,500 mm
36 dm3,600 mm
37 dm3,700 mm
38 dm3,800 mm
39 dm3,900 mm
40 dm4,000 mm
41 dm4,100 mm
42 dm4,200 mm
43 dm4,300 mm
44 dm4,400 mm
45 dm4,500 mm
46 dm4,600 mm
47 dm4,700 mm
48 dm4,800 mm
49 dm4,900 mm
50 dm5,000 mm
51 dm5,100 mm
52 dm5,200 mm
53 dm5,300 mm
54 dm5,400 mm
55 dm5,500 mm
56 dm5,600 mm
57 dm5,700 mm
58 dm5,800 mm
59 dm5,900 mm
60 dm6,000 mm
61 dm6,100 mm
62 dm6,200 mm
63 dm6,300 mm
64 dm6,400 mm
65 dm6,500 mm
66 dm6,600 mm
67 dm6,700 mm
68 dm6,800 mm
69 dm6,900 mm
70 dm7,000 mm
71 dm7,100 mm
72 dm7,200 mm
73 dm7,300 mm
74 dm7,400 mm
75 dm7,500 mm
76 dm7,600 mm
77 dm7,700 mm
78 dm7,800 mm
79 dm7,900 mm
80 dm8,000 mm
81 dm8,100 mm
82 dm8,200 mm
83 dm8,300 mm
84 dm8,400 mm
85 dm8,500 mm
86 dm8,600 mm
87 dm8,700 mm
88 dm8,800 mm
89 dm8,900 mm
90 dm9,000 mm
91 dm9,100 mm
92 dm9,200 mm
93 dm9,300 mm
94 dm9,400 mm
95 dm9,500 mm
96 dm9,600 mm
97 dm9,700 mm
98 dm9,800 mm
99 dm9,900 mm
100 dm10,000 mm
decimeters (dm)millimeters (mm)
101 dm10,100 mm
102 dm10,200 mm
103 dm10,300 mm
104 dm10,400 mm
105 dm10,500 mm
106 dm10,600 mm
107 dm10,700 mm
108 dm10,800 mm
109 dm10,900 mm
110 dm11,000 mm
111 dm11,100 mm
112 dm11,200 mm
113 dm11,300 mm
114 dm11,400 mm
115 dm11,500 mm
116 dm11,600 mm
117 dm11,700 mm
118 dm11,800 mm
119 dm11,900 mm
120 dm12,000 mm
121 dm12,100 mm
122 dm12,200 mm
123 dm12,300 mm
124 dm12,400 mm
125 dm12,500 mm
126 dm12,600 mm
127 dm12,700 mm
128 dm12,800 mm
129 dm12,900 mm
130 dm13,000 mm
131 dm13,100 mm
132 dm13,200 mm
133 dm13,300 mm
134 dm13,400 mm
135 dm13,500 mm
136 dm13,600 mm
137 dm13,700 mm
138 dm13,800 mm
139 dm13,900 mm
140 dm14,000 mm
141 dm14,100 mm
142 dm14,200 mm
143 dm14,300 mm
144 dm14,400 mm
145 dm14,500 mm
146 dm14,600 mm
147 dm14,700 mm
148 dm14,800 mm
149 dm14,900 mm
150 dm15,000 mm
151 dm15,100 mm
152 dm15,200 mm
153 dm15,300 mm
154 dm15,400 mm
155 dm15,500 mm
156 dm15,600 mm
157 dm15,700 mm
158 dm15,800 mm
159 dm15,900 mm
160 dm16,000 mm
161 dm16,100 mm
162 dm16,200 mm
163 dm16,300 mm
164 dm16,400 mm
165 dm16,500 mm
166 dm16,600 mm
167 dm16,700 mm
168 dm16,800 mm
169 dm16,900 mm
170 dm17,000 mm
171 dm17,100 mm
172 dm17,200 mm
173 dm17,300 mm
174 dm17,400 mm
175 dm17,500 mm
176 dm17,600 mm
177 dm17,700 mm
178 dm17,800 mm
179 dm17,900 mm
180 dm18,000 mm
181 dm18,100 mm
182 dm18,200 mm
183 dm18,300 mm
184 dm18,400 mm
185 dm18,500 mm
186 dm18,600 mm
187 dm18,700 mm
188 dm18,800 mm
189 dm18,900 mm
190 dm19,000 mm
191 dm19,100 mm
192 dm19,200 mm
193 dm19,300 mm
194 dm19,400 mm
195 dm19,500 mm
196 dm19,600 mm
197 dm19,700 mm
198 dm19,800 mm
199 dm19,900 mm
200 dm20,000 mm

Conversion factor of 1 decimeter to other units of length

Here is a reference list providing a conversion of 1 decimeter (dm) to its equivalent values in various units of length, both metric and imperial:

  • 1 decimeter (dm) = 100,000,000 nanometers (nm)
  • 1 decimeter (dm) = 100,000 micrometers (µm)
  • 1 decimeter (dm) = 100 millimeters (mm)
  • 1 decimeter (dm) = 10 centimeters (cm)
  • 1 decimeter (dm) = 0.1 meter (m)
  • 1 decimeter (dm) = 0.0001 kilometer (km)
  • 1 decimeter (dm) = 3.9370078740157 inches (in)
  • 1 decimeter (dm) = 0.32808398950131 foot (ft)
  • 1 decimeter (dm) = 0.10936132983377 yard (yd)
  • 1 decimeter (dm) = 0.000062137119223733 mile (mi)
  • 1 decimeter (dm) = 0.000053995680345572 nautical mile (nmi)

What is a decimeter (dm)?

Definition of decimeter: A decimeter is a unit of length in the International System of Units (SI), commonly known as the metric system. It is equivalent to one tenth of a meter (0.1 m). It is less commonly used than centimeters or meters but can be useful for intermediate measurements.

The abbreviation for decimeter is dm. The single Unicode character ㍷ (U+3377) represents the 2-character Latin abbreviation for decimeter. The Windows Alt code for this character ㍷ is Alt + 13175.

What is a millimeter (mm)?

Definition of millimeter: A millimeter is a unit of length in the International System of Units (SI). It is equivalent to one thousandth of a meter (10^-3 m). It is commonly used for precisely measuring small lengths and dimensions such as mechanical parts in engineering and manufacturing.

The abbreviation for millimeter is mm. The single Unicode character ㎜ (U+339C) represents the 2-character Latin abbreviation for millimeter. The Windows Alt code for this character ㎜ is Alt + 13212.