Miles to Kilometers Distance Converter
Need to translate US road trip distances, marathon training plans, or GPS directions into metric units? Type any number of miles to see the precise kilometre equivalent using the internationally agreed conversion factor.
Conversion is exact; always follow official mapping data for critical navigation decisions.
Examples
- 1 mile ⇒ 1.609 km
- 26.2 miles ⇒ 42.164 km
- 120 miles ⇒ 193.121 km
FAQ
Can I enter fractional miles like 13.1?
Yes, decimals are supported so you can convert half-marathon distances or partial mileage with ease.
How do I convert kilometres back to miles?
Divide the kilometre value by 1.60934 or multiply by 0.621371 to reverse the conversion.
Does the calculator handle nautical miles?
No, nautical miles use a different standard (1 nautical mile = 1.852 km). Convert to statute miles first if needed.
Why is 1.60934 used instead of 1.61?
1.60934 is the exact ratio between a statute mile and a kilometre, providing accuracy down to five decimal places.
Will rounding affect long distances?
Results are shown to three decimal places by default. For long journeys, keep additional decimals if you require survey-grade precision.
Additional Information
- One statute mile equals exactly 1.60934 kilometres as defined in the 1959 international yard and pound agreement.
- For a quick head calculation, multiplying miles by 1.6 gives a close approximation within 0.6%.
- Common race conversions: a 5K race is about 3.11 miles, while a 10K covers 6.21 miles.
- Driving 100 miles is the same as travelling 160.934 kilometres—multiply miles by 1.60934 for any itinerary.