conversions
Miles to Kilometers
Last updated: May 31, 2026
Written by Blake Boege
A distance conversion utility translating standard miles (mi) into metric kilometers (km). One international mile is defined as exactly 1.609344 kilometers.
Convert miles to kilometers instantly. Read the conversion answers, the mathematical formula, and browse the reference lookup table.
Quick Answer
Convert miles to kilometers. For example, 1 mile is equal to exactly 1.60934 kilometers.
Miles to Kilometers
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Answer
1.61 km
1 mi = 1.61 km
Miles to Kilometers Reference Table
| Miles (mi) | Kilometers (km) | Common Benchmarks |
|---|---|---|
| 1 mi | 1.61 km | One mile run benchmark |
| 3.11 mi | 5.00 km | 5K road race |
| 5 mi | 8.05 km | Five mile run benchmark |
| 6.21 mi | 10.00 km | 10K road race |
| 10 mi | 16.09 km | Ten mile run benchmark |
| 13.11 mi | 21.10 km | Half marathon |
| 26.22 mi | 42.20 km | Full marathon |
Examples
1 mi
1.61 km
How it works
To convert miles (mi) to kilometers (km), perform the following calculation:
Formula
km = mi × 1.60934
Method
Multiply miles by 1.60934 to get kilometers.
Understanding Miles and Kilometers 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 miles value by 1.60934. For example, 5 miles = 5 × 1.60934 = 8.0467 km.
One international standard mile is defined as exactly 1,609.344 meters (or 1.609344 kilometers).
For a quick estimate, multiply the miles by 8 and divide by 5 (e.g. 5 miles × 8 / 5 = 8 km).
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