Convert Millimetres (mm) to Kilometres (km)

Quick reference for converting Millimetres to Kilometres

Formula: km = mm ÷ 1,000,000
Quick rough maths: To get the Kilometres, divide the Millimetres by 1,000,000.
Millimetres (mm) in 1 Kilometre: There are 1,000,000 Millimetres in 1 Kilometre
Kilometres (km) in 1 Millimetre: There are 0.000001 Kilometres in 1 Millimetre

Conversion table: Millimetres (mm) to Kilometres (km)

0mm – 24mm
0mm	0km
1mm	0.000001km
2mm	0.000002km
3mm	0.000003km
4mm	0.000004km
5mm	0.000005km
6mm	0.000006km
7mm	0.000007km
8mm	0.000008km
9mm	0.000009km
10mm	0.00001km
11mm	0.000011km
12mm	0.000012km
13mm	0.000013km
14mm	0.000014km
15mm	0.000015km
16mm	0.000016km
17mm	0.000017km
18mm	0.000018km
19mm	0.000019km
20mm	0.00002km
21mm	0.000021km
22mm	0.000022km
23mm	0.000023km
24mm	0.000024km

25mm – 49mm
25mm	0.000025km
26mm	0.000026km
27mm	0.000027km
28mm	0.000028km
29mm	0.000029km
30mm	0.00003km
31mm	0.000031km
32mm	0.000032km
33mm	0.000033km
34mm	0.000034km
35mm	0.000035km
36mm	0.000036km
37mm	0.000037km
38mm	0.000038km
39mm	0.000039km
40mm	0.00004km
41mm	0.000041km
42mm	0.000042km
43mm	0.000043km
44mm	0.000044km
45mm	0.000045km
46mm	0.000046km
47mm	0.000047km
48mm	0.000048km
49mm	0.000049km

50mm – 74mm
50mm	0.00005km
51mm	0.000051km
52mm	0.000052km
53mm	0.000053km
54mm	0.000054km
55mm	0.000055km
56mm	0.000056km
57mm	0.000057km
58mm	0.000058km
59mm	0.000059km
60mm	0.00006km
61mm	0.000061km
62mm	0.000062km
63mm	0.000063km
64mm	0.000064km
65mm	0.000065km
66mm	0.000066km
67mm	0.000067km
68mm	0.000068km
69mm	0.000069km
70mm	0.00007km
71mm	0.000071km
72mm	0.000072km
73mm	0.000073km
74mm	0.000074km

75mm – 99mm
75mm	0.000075km
76mm	0.000076km
77mm	0.000077km
78mm	0.000078km
79mm	0.000079km
80mm	0.00008km
81mm	0.000081km
82mm	0.000082km
83mm	0.000083km
84mm	0.000084km
85mm	0.000085km
86mm	0.000086km
87mm	0.000087km
88mm	0.000088km
89mm	0.000089km
90mm	0.00009km
91mm	0.000091km
92mm	0.000092km
93mm	0.000093km
94mm	0.000094km
95mm	0.000095km
96mm	0.000096km
97mm	0.000097km
98mm	0.000098km
99mm	0.000099km

Unit information

Millimetre

/ˈmɪlɪmiːtə/

Symbol: mm
Unit system: SI

What is the Millimetre?

The millimetre (American spelling millimeter) is a unit of length and is a multiple of the SI unit metre. It uses the symbol mm.

There are 1000 mm in 1 m and 10 mm in 1 cm. From this one can derive that there are 0.03937 in.

The millimetre is sometimes verbally abbreviated to 'mil' - which can cause confusion in the US as there is a unit there that means thousandth of an inch.

Kilometre

/ˈkɪləˌmiːtə,kɪˈlɒmɪtə/

Symbol: km
Unit system: SI

What is the Kilometre?

The kilometre is a unit of length and is a multiple of the metre; an SI derived unit. It has the symbol km.

A kilometre is equal to 1000m, 1094 yards and 0.621 miles.

Kilometres is used to measure road distances in the US, though the UK is still using the imperial "sister" miles.