Convert kilometers to miles

What's the difference between a kilometer and a mile?

A kilometer is a unit of distance in the metric system, while a mile is a unit of distance in the imperial system.

One kilometer is equal to 0.621371 miles, while one mile is equal to 1,609.34 kilometers.

How do I convert kilometers to miles?

The formula to convert kilometers to miles is:

1 kilometer = 0.621371 miles

To convert kilometers to miles, multiply the number of kilometers by 0.621371.

Examples

• 5 km = 5 × 0.621371 = 3.1069 miles
• 10 km = 10 × 0.621371 = 6.2137 miles
• 20 km = 20 × 0.621371 = 12.4274 miles

How many kilometers in a mile?

A mile is exactly equal to 1.609344 kilometers, a precise conversion factor defined by international agreement. In everyday use, people often round this to approximately 1.609 km for quick mental math, or even simpler to 1.61 km when only a rough estimate is needed. For example, a distance of 5 miles works out to about 8 kilometers, 10 miles is roughly 16.1 kilometers, and 100 miles converts to approximately 160.9 kilometers.

The formula to convert miles to kilometers:

Miles (mi) × 1.609344 = Kilometers (km)

Or, in a more concise way:

mi × 1.609344 = km

For example:

How do I convert 10 kilometers to miles?

To convert 10 kilometers to miles, multiply 10 by 0.621371, which gives approximately 6.21 miles.

How many miles are in a kilometer?

There are approximately 0.621371 miles in a kilometer. This means that if you want to convert 1 kilometer to miles, you would get approximately 0.62 miles.

The formula to convert kilometers to miles:

Kilometers (km) x 0.621371 = Miles (mi)

Or, in a more concise way:

km x 0.621371 = mi

For example:

• 1 km x 0.621371 = 0.621371 mi
• 15 km x 0.621371 = 3.320565 mi
• 50 km x 0.621371 = 06855 mi