Square centimeters to Square kilometers
1 cm² = 1 × 10⁻¹⁰ km². Edit either value to convert instantly.
Conversion formula
km² = cm² × (0.0001) × (0.000001)1 cm² = 1 × 10⁻¹⁰ km²
square centimeter (cm²)
One square centimeter equals exactly 0.0001 m².
Source: BIPM SI Brochure, 9th edition — SI prefixes and accepted non-SI units
square kilometer (km²)
One square kilometer equals exactly 1,000,000 m².
Source: BIPM SI Brochure, 9th edition — SI prefixes and accepted non-SI units
Conversion table
| cm² | km² |
|---|---|
| = 1 × 10⁻¹⁰ | |
| = 2 × 10⁻¹⁰ | |
| = 5 × 10⁻¹⁰ | |
| = 1 × 10⁻⁹ | |
| = 1.5 × 10⁻⁹ | |
| = 2 × 10⁻⁹ | |
| = 2.5 × 10⁻⁹ | |
| = 3 × 10⁻⁹ | |
| = 4 × 10⁻⁹ | |
| = 4.5 × 10⁻⁹ |
| cm² | km² |
|---|---|
| = 5 × 10⁻⁹ | |
| = 6 × 10⁻⁹ | |
| = 7 × 10⁻⁹ | |
| = 8 × 10⁻⁹ | |
| = 9 × 10⁻⁹ | |
| = 1 × 10⁻⁸ | |
| = 1.5 × 10⁻⁸ | |
| = 1.6 × 10⁻⁸ | |
| = 1.7 × 10⁻⁸ | |
| = 1.8 × 10⁻⁸ |
Frequently asked questions
How many square kilometers are in 1 square centimeter?
1 cm² = 1 × 10⁻¹⁰ km². km² = cm² × (0.0001) × (0.000001)
How do I convert cm² to km²?
km² = cm² × (0.0001) × (0.000001)
Is 1 square centimeter bigger than 1 square kilometer?
1 cm² = 1 × 10⁻¹⁰ km².
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