CheckYourMath Logo

Length Conversion: cm to km, km to cm

Use the online conversion calculators to convert between centimeters (cm) and kilometers (km).

Conversion Calculators

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

Convert cm to km

Convert km to cm

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

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

Definitions

Below are definitions relating to these conversion formulas:

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