Enter a value and select Convert.
How to use this converter
Enter a signed decimal where allowed, then select Convert or press Enter. Comma decimals and expressions are rejected rather than guessed. Copy produces a plain conversion statement without promotional text.
Definition and review
Constants follow NIST Guide to the SI, Appendix B.8. Values are calculated locally; raw numbers are not uploaded, stored, placed in URLs, or included in analytics.
Need the opposite direction? Use the Kilometers to Miles Converter.
Common miles conversions
| Miles (mi) | Kilometers (km) |
|---|---|
| 1 mi | 1.609344 km |
| 3.1 mi | 4.9889664 km |
| 5 mi | 8.04672 km |
| 10 mi | 16.09344 km |
| 13.1 mi | 21.0824064 km |
| 26.2 mi | 42.1648128 km |