KM to Miles Converter — Free Converter
Use our free km to miles converter for instant kilometer to mile results. The km to miles formula multiplies kilometers by 0.621371. See also Wikipedia on the kilometre and the NIST unit conversion guide.
🛣️ KM to Miles Converter
How to Convert Kilometers to Miles
Multiply by 0.621371 — precise and internationally agreed.
KM to Miles Conversion Table
Common kilometer values converted to miles at a glance.
| Kilometer (km) | Mile (mi) |
|---|---|
| 0.5 km | 0.3106856 mi |
| 1 km | 0.62137119 mi |
| 2 km | 1.242742 mi |
| 3 km | 1.864114 mi |
| 5 km | 3.106856 mi |
| 10 km | 6.213712 mi |
| 15 km | 9.320568 mi |
| 20 km | 12.427424 mi |
| 25 km | 15.53428 mi |
| 50 km | 31.06856 mi |
Real-Life KM to Miles Examples
When kilometres need to make sense in miles.
🚗 Driving in the US & UK
If you're visiting the US or UK from a metric country, road signs are in miles. A speed limit of 100 km/h = 62.14 mph. A 50 km city-limit zone = 31.07 miles. Knowing these equivalents prevents confusion and traffic violations.
UK motorway distances are shown in miles despite the country otherwise using metric for many things. European visitors driving in the UK or US benefit from a quick km-to-miles reference before setting off.
🏃 Race & Training Distance
The 5K (5 km) is the world's most popular race distance — but US runners used to miles need the equivalent. 5 km = 3.11 miles. A 10 km race = 6.21 miles. A half-marathon of 21.1 km is 13.11 miles.
Smartwatch pace settings, training plans from US coaches, and race result tables often use miles. If your watch tracks in km, converting race distances to miles keeps your pace targets accurate.
🚘 Vehicle Range & Specs
Electric vehicles and cars sold outside the US advertise range in kilometres. A car with a 400 km range = 248.55 miles. A 600 km range = 372.82 miles. For US buyers considering an import or researching an EV, the mile equivalent is essential.
Manufacturer spec sheets from European and Asian car brands list 0–100 km/h acceleration and top speeds in km/h. Converting to miles per hour gives US drivers an intuitive frame of reference.
🗺️ Travel & Navigation
Flight distances, cruise itineraries, and travel guides outside the US use kilometres. A distance of 500 km between cities = 310.69 miles. 1,000 km = 621.37 miles — roughly the distance from New York to Chicago.
Road trip planners and travel bloggers from metric countries list distances in km. Converting to miles helps US readers plan driving time and fuel stops using the distances they think in naturally.
Frequently Asked Questions
Frequently Asked Questions
1 Kilometer (km) equals 0.62137119 Miles (mi).
Multiply the value in Kilometers by 0.62137119. For example, 10 Kilometers = 6.213712 Miles.
Yes. ConvertNow uses precise factors for all unit calculations. Currency conversions use live exchange rates updated regularly.
Yes — type into the right-hand field to reverse the conversion.