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Convert miles to km, km to miles - Length Conversion

Convert miles to km

miles
km

Convert km to miles

km
miles

How to convert miles to km: Use the conversion calculator titled "Convert miles to km". Enter a value in the miles field and click on the "Calculate km" button. Your answer will appear in the km field.

How to convert km to miles: Use the conversion calculator titled "Convert km to miles". Enter a value in the km field and click on the "Calculate miles" button. Your answer will appear in the miles field.

Conversion Definitions

The following is a list of definitions relating to conversions between miles and kilometers.

What is a mile (mi)?

A mile is a unit of length in both US Customary Units as well as the Imperial System. The symbol for mile is mi. There are 1,760 yards in a mile or 5,280 feet in a mile.

What is a kilometer (km)?

A kilometer is a unit of length in the Metric System. The symbol for kilometer is km. There are 1,000 meters in a kilometer. The International spelling is kilometre.

How many miles in a kilometer?

There are 0.621371192 miles in a kilometer.

How many kilometers in a mile?

There are 1.609344 kilometers in a mile.

Understanding the Length Units

This table provides a summary of the Length units within their respective measurement systems.

Unit Symbol Measurement System Description
inches in or " US Customary Units (and Imperial)  
feet ft or ' US Customary Units (and Imperial) 1 foot = 12 inches
yards yd US Customary Units (and Imperial) 1 yard = 3 feet
miles mi US Customary Units (and Imperial) 1 mile = 1760 yards or 5280 feet
millimeter mm Metric System 1000 mm = 1 m
centimeter cm Metric System 100 cm = 1 m, 1 cm = 10 mm
decimeter dm Metric System 10 dm = 1 m, 1 dm = 10 cm
meter m Metric System 1 m = 1000 mm, 100 cm, 10 dm
kilometer km Metric System 1 km = 1000 m