Millimeters (mm) to Kilometers (km) Converter

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

How many millimeters (mm) are in 1 kilometer (km)? What is the formula for how to convert millimeters to kilometers (mm to km)?

1 millimeter (mm) = 0.000001 kilometer (km)
So we can say that there is 0.000001 kilometer in 1 millimeter.
This means that the multiplication conversion factor to convert a quantity expressed in a millimeter unit of measurement to an equivalent quantity expressed in a kilometer unit of measurement is 0.000001.

Inversely (or reciprocally),

1 kilometer (km) = 1,000,000 millimeters (mm)
So we can say that there are 1,000,000 millimeters in 1 kilometer.
This means that the division conversion factor to convert a quantity expressed in a millimeter unit of measurement to an equivalent quantity expressed in a kilometer unit of measurement is 1,000,000.

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 millimeters to an equivalent quantity of length expressed in kilometers (mm to km). Both formulas will yield the same result. The formulas are:

km = mm ร— 0.000001 ย  ย โ†’ This is the formula based on the multiplication conversion factor.

and

km = mm รท 1,000,000 ย  ย โ†’ This is the formula based on the division conversion factor.

For example, if you have a length of 85.5 millimeters that you want to convert to kilometers, you would use either of the two formulas as follows:

km = 85.5 mm ร— 0.000001 = 0.0000855 km
km = 85.5 mm รท 1,000,000 = 0.0000855 km

So, the result is the same using either formula, which is 0.0000855 kilometer.

Millimeters to kilometers (mm to km) 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 millimeters to kilometers is needed, here is a millimeters-to-kilometers conversion chart for your quick and easy reference. This conversion chart (or conversion table) shows common measurement values of length in millimeters and their equivalent measurement values in kilometers. These equivalent measurement values may be rounded off to 1 or 2 decimal places when it is mathematically expedient for everyday applications.

millimeters (mm)kilometers (km)
1 mm0.000001 km
2 mm0.000002 km
3 mm0.000003 km
4 mm0.000004 km
5 mm0.000005 km
6 mm0.000006 km
7 mm0.000007 km
8 mm0.000008 km
9 mm0.000009 km
10 mm0.000010 km
11 mm0.000011 km
12 mm0.000012 km
13 mm0.000013 km
14 mm0.000014 km
15 mm0.000015 km
16 mm0.000016 km
17 mm0.000017 km
18 mm0.000018 km
19 mm0.000019 km
20 mm0.000020 km
21 mm0.000021 km
22 mm0.000022 km
23 mm0.000023 km
24 mm0.000024 km
25 mm0.000025 km
26 mm0.000026 km
27 mm0.000027 km
28 mm0.000028 km
29 mm0.000029 km
30 mm0.000030 km
31 mm0.000031 km
32 mm0.000032 km
33 mm0.000033 km
34 mm0.000034 km
35 mm0.000035 km
36 mm0.000036 km
37 mm0.000037 km
38 mm0.000038 km
39 mm0.000039 km
40 mm0.000040 km
41 mm0.000041 km
42 mm0.000042 km
43 mm0.000043 km
44 mm0.000044 km
45 mm0.000045 km
46 mm0.000046 km
47 mm0.000047 km
48 mm0.000048 km
49 mm0.000049 km
50 mm0.000050 km
51 mm0.000051 km
52 mm0.000052 km
53 mm0.000053 km
54 mm0.000054 km
55 mm0.000055 km
56 mm0.000056 km
57 mm0.000057 km
58 mm0.000058 km
59 mm0.000059 km
60 mm0.000060 km
61 mm0.000061 km
62 mm0.000062 km
63 mm0.000063 km
64 mm0.000064 km
65 mm0.000065 km
66 mm0.000066 km
67 mm0.000067 km
68 mm0.000068 km
69 mm0.000069 km
70 mm0.000070 km
71 mm0.000071 km
72 mm0.000072 km
73 mm0.000073 km
74 mm0.000074 km
75 mm0.000075 km
76 mm0.000076 km
77 mm0.000077 km
78 mm0.000078 km
79 mm0.000079 km
80 mm0.000080 km
81 mm0.000081 km
82 mm0.000082 km
83 mm0.000083 km
84 mm0.000084 km
85 mm0.000085 km
86 mm0.000086 km
87 mm0.000087 km
88 mm0.000088 km
89 mm0.000089 km
90 mm0.000090 km
91 mm0.000091 km
92 mm0.000092 km
93 mm0.000093 km
94 mm0.000094 km
95 mm0.000095 km
96 mm0.000096 km
97 mm0.000097 km
98 mm0.000098 km
99 mm0.000099 km
100 mm0.000100 km
millimeters (mm)kilometers (km)
101 mm0.000101 km
102 mm0.000102 km
103 mm0.000103 km
104 mm0.000104 km
105 mm0.000105 km
106 mm0.000106 km
107 mm0.000107 km
108 mm0.000108 km
109 mm0.000109 km
110 mm0.000110 km
111 mm0.000111 km
112 mm0.000112 km
113 mm0.000113 km
114 mm0.000114 km
115 mm0.000115 km
116 mm0.000116 km
117 mm0.000117 km
118 mm0.000118 km
119 mm0.000119 km
120 mm0.000120 km
121 mm0.000121 km
122 mm0.000122 km
123 mm0.000123 km
124 mm0.000124 km
125 mm0.000125 km
126 mm0.000126 km
127 mm0.000127 km
128 mm0.000128 km
129 mm0.000129 km
130 mm0.000130 km
131 mm0.000131 km
132 mm0.000132 km
133 mm0.000133 km
134 mm0.000134 km
135 mm0.000135 km
136 mm0.000136 km
137 mm0.000137 km
138 mm0.000138 km
139 mm0.000139 km
140 mm0.000140 km
141 mm0.000141 km
142 mm0.000142 km
143 mm0.000143 km
144 mm0.000144 km
145 mm0.000145 km
146 mm0.000146 km
147 mm0.000147 km
148 mm0.000148 km
149 mm0.000149 km
150 mm0.000150 km
151 mm0.000151 km
152 mm0.000152 km
153 mm0.000153 km
154 mm0.000154 km
155 mm0.000155 km
156 mm0.000156 km
157 mm0.000157 km
158 mm0.000158 km
159 mm0.000159 km
160 mm0.000160 km
161 mm0.000161 km
162 mm0.000162 km
163 mm0.000163 km
164 mm0.000164 km
165 mm0.000165 km
166 mm0.000166 km
167 mm0.000167 km
168 mm0.000168 km
169 mm0.000169 km
170 mm0.000170 km
171 mm0.000171 km
172 mm0.000172 km
173 mm0.000173 km
174 mm0.000174 km
175 mm0.000175 km
176 mm0.000176 km
177 mm0.000177 km
178 mm0.000178 km
179 mm0.000179 km
180 mm0.000180 km
181 mm0.000181 km
182 mm0.000182 km
183 mm0.000183 km
184 mm0.000184 km
185 mm0.000185 km
186 mm0.000186 km
187 mm0.000187 km
188 mm0.000188 km
189 mm0.000189 km
190 mm0.000190 km
191 mm0.000191 km
192 mm0.000192 km
193 mm0.000193 km
194 mm0.000194 km
195 mm0.000195 km
196 mm0.000196 km
197 mm0.000197 km
198 mm0.000198 km
199 mm0.000199 km
200 mm0.000200 km

Conversion factor of 1 millimeter to other units of length

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

  • 1 millimeter (mm) = 1,000,000 nanometers (nm)
  • 1 millimeter (mm) = 1,000 micrometers (ยตm)
  • 1 millimeter (mm) = 0.1 centimeter (cm)
  • 1 millimeter (mm) = 0.01 decimeter (dm)
  • 1 millimeter (mm) = 0.001 meter (m)
  • 1 millimeter (mm) = 0.000001 kilometer (km)
  • 1 millimeter (mm) = 0.039370078740157 inch (in)
  • 1 millimeter (mm) = 0.0032808398950131 foot (ft)
  • 1 millimeter (mm) = 0.0010936132983377 yard (yd)
  • 1 millimeter (mm) = 0.00000062137119223733 mile (mi)
  • 1 millimeter (mm) = 0.00000053995680345572 nautical mile (nmi)

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

What is a kilometer (km)?

Definition of kilometer: A kilometer is a unit of length in the International System of Units (SI), commonly known as the metric system, equal to one thousand meters (10^3 m). It is commonly used for longer distances, such as races, road distances and geographical features.

The abbreviation for kilometer is km. The single Unicode character ใŽž (U+339E) represents the 2-character Latin abbreviation for kilometer. The Windows Alt code for this character ใŽž is Alt + 13214.