Miles to Kilometers Converter
Instant mi to km conversion. Enter a number and get the answer right away.
How to Convert mi to km
1 mi equals 1.609344 km. To convert mi to km, multiply by 1.609344 (km = mi × 1.609344). For example, 10 mi is 16.0934 km. The calculator above applies the same conversion in both directions, so you can also type a value in km to get mi.
km = mi × 1.609344
One mi equals 1.609344 km. Use the formula below for any number.
mi to km Conversion Table
| mi | km |
|---|---|
| 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 |
| 15 mi | 24.14016 km |
| 20 mi | 32.18688 km |
| 25 mi | 40.2336 km |
| 50 mi | 80.4672 km |
| 75 mi | 120.7008 km |
| 100 mi | 160.9344 km |
| 150 mi | 241.4016 km |
| 200 mi | 321.8688 km |
| 500 mi | 804.672 km |
| 1000 mi | 1609.344 km |
Common mi to km Conversions
When You Need This Conversion
Useful for road signs, running distances, travel planning, and reading height and room measurements.
Units and Conventions
This page uses the international mile: 1 statute mile = 1,609.344 m exactly. A nautical mile is 1,852 m, and 1 inch is exactly 2.54 cm. US survey feet and survey miles differ slightly from international feet and miles.
Related Converters
Frequently Asked Questions
How many km are in 1 mi?
1 mi equals 1.609344 km. The formula is km = mi × 1.609344.
What is the mi to km formula?
Use km = mi × 1.609344. The calculator above applies it instantly and also works in reverse.
Can I convert km back to mi?
Yes. Type a value into the second field and the calculator converts in the opposite direction.
Is this converter free and accurate?
Yes. It runs in your browser with no signup. Results come from the exact conversion factor shown on this page and are rounded to 6 decimal places.
Which standard does this page use?
See the Units and Conventions section above - it lists the exact definition used here and the alternatives common in other countries.
Does it work on my phone?
Yes. The calculator is designed for phones first, with large inputs and instant results as you type.