How to use Miles to KM
- Type a value in miles.
- The result in kilometers appears instantly.
- Type in the second box to convert the other way.
How to convert miles to kilometers
Multiply the value in miles by 1.6093. Formula: km = mi × 1.6093. Example: 10 mi × 1.6093 = 16.0934 km.
Common miles to kilometers conversions
5 mi = 8.0467 km. 25 mi = 40.2336 km. 50 mi = 80.4672 km. 100 mi = 160.9344 km.
Quick mental math
Quick estimate: multiply by 1.6. 10 miles ≈ 16 km (exact: 16.09 km).
Where is mi to km conversion used?
Length conversions come up constantly when metric and imperial systems meet: checking your height for a visa or medical form, comparing screen and TV sizes, buying furniture or clothes from another country, reading product dimensions on international shopping sites, and following DIY or engineering drawings.
What are miles?
A mile is 5,280 feet, exactly 1,609.344 meters. It is the road distance unit in the US and UK.
What are kilometers?
A kilometer equals 1,000 meters. It is used for road distances and running races in almost every country outside the US and UK.
Miles to kilometers conversion table
| Miles (mi) | Kilometers (km) |
|---|---|
| 1 | 1.6093 |
| 2 | 3.2187 |
| 3 | 4.828 |
| 4 | 6.4374 |
| 5 | 8.0467 |
| 6 | 9.6561 |
| 7 | 11.2654 |
| 8 | 12.8748 |
| 9 | 14.4841 |
| 10 | 16.0934 |
| 12 | 19.3121 |
| 15 | 24.1402 |
| 20 | 32.1869 |
| 25 | 40.2336 |
| 30 | 48.2803 |
| 50 | 80.4672 |
| 75 | 120.7008 |
| 100 | 160.9344 |
Frequently asked questions
How many kilometers are in 1 mile?
1 mile = 1.6093 kilometers (1 mi = 1.6093 km).
How many miles are in 1 kilometer?
1 kilometer = 0.621371 miles (1 km = 0.621371 mi).
What is 10 mi in kilometers?
10 mi = 16.0934 km.
What is 100 mi in kilometers?
100 mi = 160.9344 km.
Is the mi to km conversion exact?
Yes. Since 1959 the inch has been defined as exactly 2.54 cm, so every imperial–metric length factor (inch, foot, yard, mile) is exact. Results here are rounded only for display.
Last updated: · Free to use, no sign-up.