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Convert m to km, km to m - Length Conversion

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

  • m to km
  • km to m

Conversion Calculators

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

Convert m to km

Convert km to m

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

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

Conversion Definitions

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

What is a meter (m)?

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

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 meters in a kilometer?

There are 1,000 meters in a kilometer.

How many kilometers in a meter?

There are 0.001 kilometers in a meter.

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