Square kilometers to Square decimeters
1 km² = 100,000,000 dm². Edit either value to convert instantly.
Conversion formula
dm² = km² × (1,000,000) × (100)1 km² = 100,000,000 dm²
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
square decimeter (dm²)
One square decimeter equals exactly 0.01 m².
Source: BIPM SI Brochure, 9th edition — SI prefixes and accepted non-SI units
Conversion table
| km² | dm² |
|---|---|
| = 100,000,000 | |
| = 200,000,000 | |
| = 500,000,000 | |
| = 1 × 10⁹ | |
| = 1.5 × 10⁹ | |
| = 2 × 10⁹ | |
| = 2.5 × 10⁹ | |
| = 3 × 10⁹ | |
| = 4 × 10⁹ | |
| = 4.5 × 10⁹ |
| km² | dm² |
|---|---|
| = 5 × 10⁹ | |
| = 6 × 10⁹ | |
| = 7 × 10⁹ | |
| = 8 × 10⁹ | |
| = 9 × 10⁹ | |
| = 1 × 10¹⁰ | |
| = 1.5 × 10¹⁰ | |
| = 1.6 × 10¹⁰ | |
| = 1.7 × 10¹⁰ | |
| = 1.8 × 10¹⁰ |
Frequently asked questions
How many square decimeters are in 1 square kilometer?
1 km² = 100,000,000 dm². dm² = km² × (1,000,000) × (100)
How do I convert km² to dm²?
dm² = km² × (1,000,000) × (100)
Is 1 square kilometer bigger than 1 square decimeter?
1 km² = 100,000,000 dm².
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