conversions
Kilometers to Miles
Last updated: May 31, 2026
Written by Blake Boege
A distance conversion utility translating metric kilometers (km) into standard miles (mi). One kilometer is equal to approximately 0.621371 miles.
Convert kilometers to miles instantly. Read the conversion answers, the mathematical formula, and browse the reference lookup table.
Quick Answer
Convert kilometers to miles. For example, a 5K is equal to approximately 3.11 miles.
Kilometers to Miles
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Answer
3.11 mi
5 km = 3.11 mi
Kilometers to Miles Reference Table
| Kilometers (km) | Miles (mi) | Common Pace / Race |
|---|---|---|
| 1 km | 0.62 mi | Kilometer pace benchmark |
| 3 km | 1.86 mi | High school cross country |
| 5 km | 3.11 mi | Standard 5K road race |
| 10 km | 6.21 mi | Standard 10K road race |
| 15 km | 9.32 mi | Classic road run |
| 21.097 km | 13.11 mi | Half marathon distance |
| 42.195 km | 26.22 mi | Full marathon distance |
Examples
1 km
3.11 mi
How it works
To convert kilometers (km) to miles (mi), perform the following calculation:
Formula
mi = km × 0.621371
Method
Multiply kilometers by 0.621371 to get miles.
Understanding Kilometers and Miles Conversions
Converting measurements between metric and imperial scales, or relative temperature benchmarks, is essential in sciences, logistics, cooking, and daily travel. Using standard multipliers guarantees precision and alignment across different measurement systems.
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Frequently asked questions
Multiply the kilometer value by 0.621371. For example, 10 km = 10 × 0.621371 = 6.21371 miles.
A 5K run is equal to approximately 3.11 miles; a 10K run is equal to approximately 6.21 miles.
For a quick estimate, multiply the kilometers by 6 and divide by 10 (e.g. 10 km × 0.6 = 6 miles).
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