Convert Miles (mi) to Kilometers (km)
Miles (mi) to kilometres (km) is the classic distance conversion for travel, running and reading maps or odometers between the imperial and metric worlds.
Formula
1 mi = 1.609344 km
To convert mi to km, multiply the value by 1.609344.
Conversion Table
| Miles (mi) | Kilometers (km) |
|---|---|
| 0.01 mi | 0.0161 km |
| 0.1 mi | 0.1609 km |
| 0.5 mi | 0.8047 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 |
| 50 mi | 80.4672 km |
| 100 mi | 160.9344 km |
| 250 mi | 402.336 km |
| 500 mi | 804.672 km |
| 1000 mi | 1609.344 km |
| 2500 mi | 4023.36 km |
| 5000 mi | 8046.72 km |
| 10000 mi | 16093.44 km |
| 50000 mi | 80467.2 km |
Common mi to km Examples
- 1 mi = 1.6093 km
- 5 mi = 8.0467 km
- 10 mi = 16.0934 km
- 25 mi = 40.2336 km
- 50 mi = 80.4672 km
- 100 mi = 160.9344 km
- 500 mi = 804.672 km
- 1000 mi = 1609.344 km
About mi to km
The exact factor is 1 mi = 1.609344 km. A quick estimate is to multiply miles by 1.6, so 5 mi is about 8 km and 60 mi is about 97 km.
Reference points: a 26.2-mile marathon is 42.2 km, a 100-mile drive is about 161 km, and the rule that a mile is roughly 1.6 km is close enough for most planning.
Frequently Asked Questions
How many kilometres is a mile?
One mile equals about 1.609 kilometres.
How far is a 10-mile run in km?
About 16.1 km (10 × 1.609).
How much is 1 mi in km?
1 mi equals 1.609344 km. This ratio applies to every conversion between the two units.
What should I check before trusting a mi to km result?
Confirm the input value, the unit direction (mi to km, not the reverse), and that the formula 1 mi = 1.609344 km has been applied.
How do mi and km compare in size?
Compare them through the ratio: 1 mi equals 1.609344 km, which shows directly which unit represents a larger amount of Length.
What is a quick way to estimate mi to km?
Round 1.609344 to one or two significant digits and multiply mentally. Use the exact factor when accuracy matters.
Is there a shortcut for converting mi to km?
The shortest route is the formula itself: 1 mi = 1.609344 km. Memorizing this single line covers every case.
Why is the conversion factor between mi and km 1.609344?
It comes from the official definitions of both Length units, which are anchored to internationally agreed reference standards.