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1 miles to km (1 mi to km)
1 mi equals 1.609 km. This is the exact conversion for 1 miles to km, derived from exact SI/NIST definitions with the standard conversion factor. It's also written 1 mi to km. See nearby values below, or open the full Unit Converter to convert any other value or unit.
Quick answer
1 mi = 1.609 km
- 1 mi = 1.609 km
- Exact definitional conversion factor
Frequently asked questions
What is 1 miles in km?
1 mi is 1.609 km. The conversion uses the exact factor 1 mi = 1.609 km.
How do I convert miles to km?
Multiply by the exact factor (1 mi = 1.609 km). Open the full Unit Converter to convert any value.
Is 1 mi to km the same as 1 miles to km?
Yes — 1 mi to km and 1 miles to km are the same conversion: 1 mi = 1.609 km.