Convert Centimeter to Kilometer

Convert centimeters to kilometers by entering a value below.

1 cm (centimeters) = 1e-5 km (kilometers)

How to Convert Centimeters to Kilometers

The centimeter and kilometer are both units of length. By definition, 1 kilometer equals exactly 100000 centimeters. This means to convert centimeters to kilometers, you divide by 100000.

Formula

kilometers = centimeters ÷ 100000

Step-by-Step Example

Convert 5 cm to kilometers:

1
Convert 5 cm to kilometers

We need to convert centimeters to kilometers

2
Apply the formula

Since 1 km = 100000 cm, divide by 100000

5 ÷ 100000 = 5e-5

Answer

5 cm = 5e-5 km

Centimeter to Kilometer Conversion Table

Quick reference table for common centimeter to kilometer conversions. Click any value for detailed calculation.

Centimeters (cm) Kilometers (km)
0.1 cm 1e-6 km
0.5 cm 5e-6 km
1 cm 1e-5 km
2 cm 2e-5 km
5 cm 5e-5 km
10 cm 0.0001 km
25 cm 0.00025 km
50 cm 0.0005 km
100 cm 0.001 km

About These Units

Centimeter (cm)

A centimeter (cm) is a metric unit of length equal to 1/100 of a meter or 0.3937 inches. Centimeters are widely used worldwide for measuring height, body dimensions, clothing sizes, screen diagonals, and small objects. Key conversion: 1 inch = 2.54 cm exactly.

Kilometer (km)

A kilometer (km) is a metric unit of length equal to 1,000 meters or approximately 0.621 miles. Kilometers are the standard unit for measuring road distances, running races, and geographic distances in most countries worldwide. Common conversions: 1 km = 0.621 miles, 1 mile = 1.609 km.

Frequently Asked Questions

How do I convert centimeters to kilometers?

To convert centimeters to kilometers, divide the value by 100000. For example, 10 cm = 0.0001 km.

How many kilometers are in 1 centimeter?

1 centimeter equals 1e-5 kilometers.

What is the formula for centimeters to kilometers?

The formula is: km = cm ÷ 100000.