Square Centimeters to Square Kilometers Converter
Convert square centimeters (cm²) to square kilometers (km²), with the formula, a conversion table and exact factors.
Change the values and press Calculate to work out your own figures.
Enter an area, choose its unit and the unit you want. The answer is exact until it is shown, and the same value appears in every other unit.
Show the working
- 1 cm² = 1e-10 km²
- 1 × 1e-10 = 1e-10 km²
How to convert square centimeters to square kilometers
1 cm² = 1 × 10⁻¹⁰ km², so multiply by 1 to go from square centimeters to square kilometers. Going the other way, 1 km² = 10,000,000,000 cm².
km² = cm² × 1 cm² = km² × 10,000,000,000
Worked example:
1 cm² = 1e-10 km² 5 × 1e-10 = 5e-10 km²
Square Centimeters to square kilometers table
| Square Centimeters | Square Kilometers |
|---|---|
| 1 cm² | 1 × 10⁻¹⁰ km² |
| 2 cm² | 2 × 10⁻¹⁰ km² |
| 3 cm² | 3 × 10⁻¹⁰ km² |
| 4 cm² | 4 × 10⁻¹⁰ km² |
| 5 cm² | 5 × 10⁻¹⁰ km² |
| 6 cm² | 6 × 10⁻¹⁰ km² |
| 7 cm² | 7 × 10⁻¹⁰ km² |
| 8 cm² | 8 × 10⁻¹⁰ km² |
| 9 cm² | 9 × 10⁻¹⁰ km² |
| 10 cm² | 1 × 10⁻⁹ km² |
| 15 cm² | 1.5 × 10⁻⁹ km² |
| 20 cm² | 2 × 10⁻⁹ km² |
| 25 cm² | 2.5 × 10⁻⁹ km² |
| 30 cm² | 3 × 10⁻⁹ km² |
| 40 cm² | 4 × 10⁻⁹ km² |
| 50 cm² | 5 × 10⁻⁹ km² |
| 75 cm² | 7.5 × 10⁻⁹ km² |
| 100 cm² | 1 × 10⁻⁸ km² |
| 250 cm² | 2.5 × 10⁻⁸ km² |
| 500 cm² | 5 × 10⁻⁸ km² |
| 1000 cm² | 1 × 10⁻⁷ km² |
About the units
- Square Centimeters (cm²)
- Square centimeters, a metric unit. Definition: BIPM SI Brochure (SI prefixes).
- Square Kilometers (km²)
- Square kilometers, a metric unit. Definition: BIPM SI Brochure (SI prefixes).
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