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Miles to Kilometers Converter

Convert miles to kilometers and kilometers to miles instantly. Bidirectional length converter with formula and common values.

Miles to Kilometers: 1 mi equals 1.609344 km. To convert miles to kilometers, multiply by 1.609344 (km = mi × 1.609344). For example, 10 mi = 16.09344 km.

5 mi = 8.047 km

km = mi × 1.609344

How to Convert Miles to Kilometers

To convert from miles to kilometers, multiply the value by 1.609344. The conversion is linear, meaning doubling the input doubles the output.

Conversion Formula

  • Miles to Kilometers: km = mi × 1.609344
  • Kilometers to Miles: mi = km ÷ 1.609344
Miles to Kilometers conversion scale — a dual ruler showing 1 mi equals 1.6093 km.
Miles to Kilometers conversion scale (mi to km).

Miles to Kilometers Conversion Chart

Miles (mi)Kilometers (km)
0.10.160934
0.250.402336
0.50.804672
11.609344
23.218688
34.828032
58.04672
1016.09344
2032.18688
2540.2336
5080.4672
100160.9344
250402.336
10001609.344

Understanding the Units

What is a Mile?

The international mile equals exactly 1,609.344 meters or 5,280 feet.

From the Roman mille passus ("thousand paces").

Common contexts: road distance, athletics.

Real-World Reference Points

Item Miles (mi) Kilometers (km)
Average city block (NYC)0.050.0805
Marathon distance26.21942.1954

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FAQ

How many kilometers are in a mile?

One mile equals approximately 1.60934 kilometers.

How do I convert miles to kilometers?

Multiply the number of miles by 1.60934. For example, 8.2 miles × 1.60934 = 13.197 km.

Why do some countries use miles and others kilometers?

The US, UK, and a few other countries use miles. Most of the world uses kilometers as part of the metric system adopted internationally.

How many miles are in a kilometer?

One kilometer equals approximately 0.621371 miles.

How many kilometers are in 1 mil?

1 mi equals 1.609344 km.

How do you convert miles to kilometers?

Multiply the mil value by 1.609344. Formula: km = mi × 1.609344.

How many kilometers are in 5 miles?

5 mi = 8.04672 km.

How do you convert kilometers back to miles?

Use the inverse formula: mi = km ÷ 1.609344. For example, 1 km = 0.621371 mi.