Convert Square Centimeter to Square Kilometer
Use this free converter to change square centimeters (cm²) into square kilometers (km²). Square centimeter and square kilometer both measure area. As a quick reference, 1 cm² equals 1.0000e-10 km², and 1 km² equals 10000000000 cm².
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Square Kilometer (km²)
1.0000e-10
1 cm² = 1.0000e-10 km²
Area conversion table
| Square Centimeter | Square Kilometer |
|---|---|
| 0.01 | 1.0000e-12 |
| 0.1 | 1.0000e-11 |
| 0.5 | 5.0000e-11 |
| 1 | 1.0000e-10 |
| 2 | 2.0000e-10 |
| 3 | 3.0000e-10 |
| 5 | 5.0000e-10 |
| 10 | 1.0000e-9 |
| 20 | 2.0000e-9 |
| 25 | 2.5000e-9 |
| 50 | 5.0000e-9 |
| 100 | 1.0000e-8 |
| 1,000 | 1.0000e-7 |
How to convert Square Centimeter to Square Kilometer
Multiply the square centimeter value by 1.0000e-10 to get square kilometers.
- Enter the number of square centimeters you want to convert.
- The converter instantly shows the equivalent value in square kilometers.
- Worked example: 15 cm² × 1.0000e-10 = 1.5000e-9 km².
- Use the swap button to reverse the conversion (square kilometer to square centimeter).
About these units
Square Centimeter (cm²)
- Definition
- A square centimeter (cm²) is the area of a square one centimeter on each side, one ten-thousandth of a square meter.
- History
- It comes from the centimeter in the metric system.
- Current use
- Square centimeters measure small surfaces such as labels, screens, and cross-sections.
Square Kilometer (km²)
- Definition
- A square kilometer (km²) is the area of a square one kilometer on each side, equal to 1,000,000 square meters.
- History
- It is a metric multiple of the square meter for large areas.
- Current use
- Square kilometers measure the area of cities, regions, lakes, and countries.
Frequently asked questions
How many square kilometers are in a square centimeter?
There are 1.0000e-10 km² in 1 cm². To convert, multiply the number of square centimeters by 1.0000e-10.
How do I convert square centimeters to square kilometers?
Multiply the square centimeter value by 1.0000e-10 to get square kilometers. For example, 10 cm² = 1.0000e-9 km².
Is this square centimeter-to-square kilometer converter free?
Yes. This converter is completely free, runs entirely in your browser, and requires no sign-up. Your inputs never leave your device.
Convert Square Centimeter to other area units
| Unit | 1 Square Centimeter equals |
|---|---|
| Square Meter (m²) | 0.0001 m² |
| Square Kilometer (km²) | 1.0000e-10 km² |
| Square Mile (mi²) | 3.8610e-11 mi² |
| Square Yard (yd²) | 0.000119599 yd² |
| Square Foot (ft²) | 0.001076391 ft² |
| Square Inch (in²) | 0.15500031 in² |
| Acre (ac) | 2.4711e-8 ac |
| Hectare (ha) | 1.0000e-8 ha |