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Convert inches to km, km to inches - Length Conversion

Use these online calculators to convert between inches (in) and kilometers (km). These Length conversion calculators provide a quick and easy way to convert:

  • inches to km
  • km to inches

Conversion Calculators

Enter your value in one of the conversion calculators below to convert inches to km or convert km to inches.

Convert inches to km

Convert km to inches

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

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

Conversion Definitions

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

What is an inch (in)?

An inch is a unit of length in both US Customary Units as well as the Imperial System. The symbol for inch is in or ". There are 12 inches in a foot or 36 inches in a yard.

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 inches in a kilometer?

There are 39,370.0787 inches in a kilometer.

How many kilometers in an inch?

There are 0.0000254 kilometers in an inch.

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