Miles to Kilometres Converter
Type a value in miles to see it in kilometres. It works both ways: type in the kilometres box to convert back.
Formula
To convert miles to kilometres, multiply by 1.609344.
1 mi = 1.609344 km and 1 km = 0.621371192237 mi.
Miles to kilometres table
| Miles | Kilometres |
|---|---|
| 1 mi | 1.609344 km |
| 2 mi | 3.218688 km |
| 3 mi | 4.828032 km |
| 5 mi | 8.04672 km |
| 10 mi | 16.09344 km |
| 13.1 mi | 21.08241 km |
| 26.2 mi | 42.16481 km |
| 30 mi | 48.28032 km |
| 50 mi | 80.4672 km |
| 60 mi | 96.56064 km |
| 100 mi | 160.9344 km |
| 200 mi | 321.8688 km |
Worked examples
2 mi in kilometres
2 mi
3.218688 km
2 × 1.609344 = 3.218688
26.2 mi in kilometres
26.2 mi
42.16481 km
26.2 × 1.609344 = 42.1648128
100 mi in kilometres
100 mi
160.9344 km
100 × 1.609344 = 160.9344
About Miles to Kilometres Converter
This converter turns miles into kilometres as you type, and works the other way too: type in the kilometres box to convert back. To convert miles to kilometres, multiply by 1.609344. For example, 2 mi is 3.218688 km, and 26.2 mi is 42.16481 km.
The UK uses metric units for most measurements, but road signs are in miles and yards, and many people still think of height in feet and inches, so length conversions come up every day. Both units have exact definitions, so the converter gives an exact result, rounded only for display. Use the table below for common values, or set the decimal places to round the answer for a form or a label.
How to use Miles to Kilometres Converter
- Type the amount in miles in the first box.
- Read the answer in kilometres in the second box and in the result line below.
- To convert the other way, type in the kilometres box instead, or use the swap button to open the kilometres to miles page.
- Choose a number of decimal places if you need a rounded figure, then copy the result line.
Common uses
- Following plans, patterns or instructions from abroad
- Converting a height or a distance for a form
- Helping with homework that mixes metric and imperial units
- Comparing running or cycling distances
Frequently asked questions
How many kilometres are in one mile?
There are 1.609344 kilometres in one mile. This figure is exact, because both units have fixed definitions.
How do I convert miles to kilometres?
To convert miles to kilometres, multiply by 1.609344. For example, 100 mi is 160.9344 km.
How do I convert kilometres to miles?
Going the other way, divide by 1.609344 (the same as multiplying by 0.6213711922). The kilometres to miles converter does this for you.
What is 50 mi in kilometres?
50 mi is 80.4672 km.
Why does the UK still use miles?
Road distances and speed limits stayed in miles and yards when the UK moved to metric units for trade and science. The Weights and Measures Act allows miles, yards, feet and inches for road traffic signs, so you will meet both systems.