Convert Miles to KM

Convert miles to kilometres for distance and speed.

Direction

Value in mile (mi)

Decimal places

26.219 mi in kilometre

42.1954 km

Conversion factor

1 mi = 1.609344 km

Reverse factor

1 km = 0.62137119 mi

km = mi × 1.609344 — 26.219 × 1.609344 = 42.1954

A nautical mile is a different unit at 1,852 metres — about 15% longer than the statute mile used here.

Quick reference table.
mi	km
0.5	0.8047
1	1.6093
2	3.2187
3	4.828
4	6.4374
5	8.0467
10	16.0934
15	24.1402
20	32.1869
25	40.2336
30	48.2803
40	64.3738
50	80.4672
75	120.7008
100	160.9344
150	241.4016
200	321.8688
500	804.672
1000	1,609.344

What does Miles to KM Converter do?

Convert miles to kilometres exactly, with a speed mode for mph to km/h and references for common road distances and speed limits.

How to Use Miles to KM Converter

1
Enter a distance in milesOr switch to speed mode.
2
Read the kilometresAt your chosen precision.
3
Use the referencesFor speed limits and common distances.

Key Features

Exact conversion: 1 mile = 1.609344 km
Speed mode converting mph to km/h
Nautical miles shown as a separate unit
Reference table from 1 to 200 miles
Two-way conversion built in

Frequently Asked Questions

How many km is 1 mile?

Exactly 1.609344 km. For mental arithmetic, add 60% — 20 miles becomes 20 + 12 = 32 km, against the exact 32.19.

What is 60 mph in km/h?

96.56 km/h, usually rounded to 100 km/h as the equivalent motorway limit. 70 mph is 112.65 km/h.

Is a nautical mile the same as a mile?

No. A nautical mile is 1,852 metres, about 15% longer than a statute mile of 1,609 metres. It is used in marine and air navigation.

Why is a mile 1,760 yards?

It comes from the Roman mille passus — a thousand double paces, about 5,000 feet. The English mile was later fixed at 5,280 feet so it would be a whole number of furlongs, which mattered for land measurement.