Miles to Kilometres
Convert miles to kilometres instantly.
Miles to Kilometres (mi to km) Converter
1 mile = 1.6093 kilometres
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- 1 mi = 1.6093 km
- 5 mi = 8.0467 km
- 10 mi = 16.093 km
- 25 mi = 40.234 km
- Centimetrescm
- Inchesin
- Milesmi
- Kilometreskm
- Centimetrescm
- Inchesin
How it’s calculated
km = mi × 1.609344
- Multiply the value in miles by 1.609344.
- To go back, divide by 1.609344 (or multiply by 0.6213711922).
- 1 mi = 1.609344 km · 1 km = 0.6213711922 mi
Quick examples
1 mile = 1.6093 kilometres · 1 km = 0.62137 mi
- 1 mile = 1.6093 kilometres
- 5 miles = 8.0467 kilometres
- 10 miles = 16.093 kilometres
- 25 miles = 40.234 kilometres
- 100 miles = 160.93 kilometres
Miles to kilometres conversion table
| Miles (mi) | Kilometres (km) |
|---|---|
| 0.1 mi | 0.16093 km |
| 0.5 mi | 0.80467 km |
| 1 mi | 1.6093 km |
| 2 mi | 3.2187 km |
| 3 mi | 4.828 km |
| 4 mi | 6.4374 km |
| 5 mi | 8.0467 km |
| 6 mi | 9.6561 km |
| 7 mi | 11.265 km |
| 8 mi | 12.875 km |
| 9 mi | 14.484 km |
| 10 mi | 16.093 km |
| 15 mi | 24.14 km |
| 20 mi | 32.187 km |
| 25 mi | 40.234 km |
| 30 mi | 48.28 km |
| 40 mi | 64.374 km |
| 50 mi | 80.467 km |
| 75 mi | 120.7 km |
| 100 mi | 160.93 km |
| 250 mi | 402.34 km |
| 500 mi | 804.67 km |
| 1,000 mi | 1,609.3 km |
About these units
Mile (mi)
US & imperial (identical)
1 mi = 1,609.344 m (exact)
The international mile: 5,280 feet, or exactly 1,609.344 m.
Source: NIST SP 811 / Handbook 44
Kilometre (km)
SI (metric)
1 km = 1,000 m (exact)
Defined as exactly 1,000 metres.
Source: BIPM SI Brochure (9th ed.)
Frequently asked questions
How do I convert miles to kilometres?
Use km = mi × 1.609344. Multiply the value in miles by 1.609344.
How many kilometres are in 1 mile?
1 mile (mi) equals 1.6093 kilometres (km); more precisely 1.609344.
How many miles are in 1 kilometre?
1 kilometre (km) equals 0.62137 miles (mi); more precisely 0.6213711922.
What is 10 mi in km?
10 miles = 16.093 kilometres.
What is a mile?
The international mile: 5,280 feet, or exactly 1,609.344 m.
What is a kilometre?
Defined as exactly 1,000 metres.
Related conversions
Formula: km = mi × 1.609344. Factors last reviewed 2026-10-27.