Miles to KM Converter
Convert miles to kilometres in your browser, with a full reference table and the formula behind it. Free, instant, no sign-up.
How to convert miles to kilometres
kilometres = miles × 1.6093
One mile is 1.6093 kilometres, so any conversion is a single multiplication. To go the other way, divide by 1.6093 instead. The converter above is already set to miles and kilometres, so you can type any value and read the answer straight away.
Miles to KM conversion table
Common values, worked out in advance:
| Miles (mi) | Kilometres (km) |
|---|---|
| 1 mi | 1.6093 km |
| 2 mi | 3.2187 km |
| 3 mi | 4.828 km |
| 5 mi | 8.0467 km |
| 10 mi | 16.0934 km |
| 15 mi | 24.1402 km |
| 20 mi | 32.1869 km |
| 25 mi | 40.2336 km |
| 30 mi | 48.2803 km |
| 50 mi | 80.4672 km |
| 100 mi | 160.9344 km |
The quick mental version
For a rough answer without a calculator, remember that 1 km is about 0.621371 mi. That is usually close enough for shopping, travel and DIY, and the converter above gives you the exact figure when it matters.
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Frequently asked questions
How many kilometres are in 1 mi?
One mi is 1.6093 km. The table above covers the values people look up most often.
What is the formula to convert miles to kilometres?
kilometres = miles × 1.6093. One mile is 1.6093 kilometres, so any conversion is a single multiplication. To go the other way, divide by 1.6093 instead.
Is this miles to km converter accurate?
Yes. It uses the exact internationally defined conversion factors and calculates in your browser, so nothing is rounded until the result is displayed.
Can I convert kilometres back to miles here?
Yes. Use the swap button in the converter to reverse the direction, or pick any other pair of units from the two dropdowns.