KM to Miles Converter

Instantly convert kilometers to miles with our free online calculator. Perfect for road trips, running distances (5K, 10K, marathon), speed conversions, and international travel. Simply enter your value and get accurate results immediately.

How to Convert KM to Miles

miles = km × 0.621371

1 km = 0.621371 miles
1 mile = 1.60934 km

Example: convert 100 km to miles:
100 km = 100 × 0.621371 = 62.137 miles

KM to Miles

Value:

Convert to:

From kilometers to miles

0.62137

1 km = 0.62137 mi

Quick Conversion Table: KM to Miles

KM	Miles
1	0.621
2	1.243
3	1.864
4	2.485
5	3.107
6	3.728

KM	Miles
7	4.35
8	4.971
9	5.592
10	6.214
15	9.321
20	12.427

KM	Miles
25	15.534
50	31.069
100	62.137
150	93.206
200	124.274
500	310.686

km	miles	km	miles	km	miles	km	miles

About the Units

Kilometer (km)

A kilometer is a unit of length in the metric system, equal to 1,000 meters. It is the standard unit for measuring distances between geographical locations in most countries worldwide. Kilometers are used on road signs, maps, and GPS systems across Europe, Asia, South America, and Africa.

Mile (mi)

A mile is a unit of length in the imperial system, equal to 5,280 feet or 1,609.344 meters. Miles are primarily used in the United States, the United Kingdom, and a few other countries for road distances, speed limits, and everyday distance measurements.

Frequently Asked Questions

How many miles is 1 km?

1 kilometer is equal to 0.621371 miles (approximately 5/8 of a mile).

How do I convert km to miles?

To convert kilometers to miles, multiply the km value by 0.621371. For example, 10 km = 10 × 0.621371 = 6.214 miles.

What is the formula for km to miles?

The formula is: miles = kilometers × 0.621371. Alternatively, you can divide by 1.60934.

How many km is 1 mile?

1 mile equals exactly 1.609344 kilometers.

What is 5 km in miles?

5 km equals approximately 3.107 miles. This is the standard distance for a 5K race.

How to convert miles to km?

To convert miles to kilometers, multiply the mile value by 1.60934. For example, 10 miles = 10 × 1.60934 = 16.093 km.

What is 100 km in miles?

100 km equals approximately 62.137 miles. This is a common distance reference for road trips and driving.

How fast is 100 km/h in mph?

100 km/h is approximately 62.137 mph. The same conversion factor applies to speed: multiply km/h by 0.621371 to get mph.

What is 10 km in miles?

10 km equals approximately 6.214 miles. This is the distance of a 10K running race.

Which countries use km vs miles?

Most countries use kilometers, including all of Europe, Asia, South America, and Africa. Miles are primarily used in the United States, United Kingdom, and Myanmar for road distances.