Convert square centimeters to square kilometers
Accurate tool to convert between cm² and km²
Area
Square centimeters
The square centimeter is a metric unit of area equal to a square with 1cm sides.
Square kilometers
The square kilometer is a metric unit of area equal to one million square meters.
Formula
To convert from cm2 to square kilometers, divide the area by 10,000,000,000.
cm2 (cm2)
Description
The square centimeter is a metric unit of area equal to a square with 1cm sides.
History
Derived from the centimeter.
Symbol Origin
Square of 'centimeter'.
Usage Context
Used for small surfaces, paper sizes, and electrical wiring cross-sections.
Main Usage
Did you know?
A postage stamp is typically about 4-6 cm².
square kilometers (km2)
Description
The square kilometer is a metric unit of area equal to one million square meters.
History
Derived from the kilometer. Used for large scale geographical measurements.
Symbol Origin
Square of 'kilometer'.
Usage Context
Used for measuring countries, cities, and lakes.
Main Usage
Did you know?
Vatican City, the smallest country in the world, is only 0.44 km².
Quick Conversion Table
| cm2 (cm2) | square kilometers (km2) |
|---|---|
| 1 | 0.0000000001 |
| 2 | 0.0000000002 |
| 5 | 0.0000000005 |
| 10 | 0.000000001 |
| 25 | 0.0000000025 |
| 50 | 0.000000005 |
| 100 | 0.00000001 |
| 500 | 0.00000005 |
| 1000 | 0.0000001 |
| 2500 | 0.00000025 |
| 5000 | 0.0000005 |
| 10000 | 0.000001 |
Frequently Asked Questions
How to convert cm2 to square kilometers?
To convert from cm2 to square kilometers, divide the area by 10,000,000,000.
How many square kilometers in 1 cm2?
1 cm2 is equal to 0.0000000001 square kilometers.
What is a cm2?
The square centimeter is a metric unit of area equal to a square with 1cm sides.
What is a square kilometers?
The square kilometer is a metric unit of area equal to one million square meters.