Convert KM to Miles (km to mi)
Convert km to miles instantly. 1 km = 0.621371 mi. Free km-to-miles converter with table and formula.
Need to turn kilometers (km) into miles (mi)? One kilometer equals 0.621371 miles (1 km = 0.621371 mi). Enter a value below for an instant, accurate result, or scan the conversion table for common values.
The international mile is defined as exactly 1,609.344 meters, used for road distances in the US and UK. Kilometers are the standard unit for road distances in most countries outside the United States. Converting between the two is a routine part of distance and length measurements in engineering, construction, travel, and everyday use. It bridges the metric system and the imperial/US customary system, which is why this conversion comes up so often.
1,0001100,0001,000,0000.6213711,093.6132983,280.83989539,370.07874Conversion formula
miles = kilometers × 0.621371Conversion table
| Value | Converted |
|---|---|
| 1 km | 0.621371 mi |
| 2 km | 1.242742 mi |
| 5 km | 3.106856 mi |
| 10 km | 6.213712 mi |
| 25 km | 15.53428 mi |
| 50 km | 31.06856 mi |
| 100 km | 62.13712 mi |
Frequently Asked Questions
How many miles are in a kilometer?
1 km = 0.621371 mi. So 10 kilometers equal 6.213712 miles.
How do you convert kilometers to miles manually?
Multiply the number of kilometers by 0.621371: miles = kilometers × 0.621371. For example, 10 km × 0.621371 = 6.213712 mi.
Is the km to miles conversion exact?
Yes — both units have exact definitions, so the conversion itself is exact. The factor 0.621371 shown here is rounded for readability; the converter computes with full precision.
Is this km to miles converter free and private?
Yes. It is completely free, requires no signup, and the conversion happens entirely in your browser — no values are sent to any server.
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