Miles to Kilometers Converter

How to convert miles to kilometers

kilometers = miles × 1.609344

1 mile is exactly 1,609.344 meters (5,280 feet). 1 kilometer is 1,000 meters (SI prefix kilo, 10³).

The factor 1.609344 is exact, not a rounded value. Nothing is rounded until you choose how many decimals to show.

Worked example: 5 mi

1. Start with the value in miles: 5 mi.
2. Multiply by 1.609344, because 1 mile = 1.609344 kilometers: 5 × 1.609344 = 8.04672 km.

Miles and kilometers side by side

Miles to kilometers chart

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Miles from 1 to 100 converted to kilometers with the exact factor, shown to five significant digits.

Miles to kilometers, part 1 of 4

mi	km
1	1.6093
2	3.2187
3	4.828
4	6.4374
5	8.0467
6	9.6561
7	11.265
8	12.875
9	14.484
10	16.093
11	17.703
12	19.312
13	20.921
14	22.531
15	24.14
16	25.75
17	27.359
18	28.968
19	30.578
20	32.187
21	33.796
22	35.406
23	37.015
24	38.624
25	40.234

Miles to kilometers, part 2 of 4

mi	km
26	41.843
27	43.452
28	45.062
29	46.671
30	48.28
31	49.89
32	51.499
33	53.108
34	54.718
35	56.327
36	57.936
37	59.546
38	61.155
39	62.764
40	64.374
41	65.983
42	67.592
43	69.202
44	70.811
45	72.42
46	74.03
47	75.639
48	77.249
49	78.858
50	80.467

Miles to kilometers, part 3 of 4

mi	km
51	82.077
52	83.686
53	85.295
54	86.905
55	88.514
56	90.123
57	91.733
58	93.342
59	94.951
60	96.561
61	98.17
62	99.779
63	101.39
64	103
65	104.61
66	106.22
67	107.83
68	109.44
69	111.04
70	112.65
71	114.26
72	115.87
73	117.48
74	119.09
75	120.7

Miles to kilometers, part 4 of 4

mi	km
76	122.31
77	123.92
78	125.53
79	127.14
80	128.75
81	130.36
82	131.97
83	133.58
84	135.18
85	136.79
86	138.4
87	140.01
88	141.62
89	143.23
90	144.84
91	146.45
92	148.06
93	149.67
94	151.28
95	152.89
96	154.5
97	156.11
98	157.72
99	159.33
100	160.93

kilometers = miles × 1.609344. Factors: NIST SP 811, NIST Handbook 44, BIPM SI Brochure. unitcheck.net/length/miles-to-kilometers/

Common values

Going the other way? Use the Kilometers to Miles converter.