How many square meters are in a square kilometer?
There are 1,000,000 square meters in 1 square kilometer.
Detailed answer
One kilometer is 1,000 meters, so one square kilometer is 1,000 × 1,000 = 1,000,000 m². Multiply km² by 1,000,000 to get m²; divide m² by 1,000,000 to get km².
Relationship context
Both units are metric. Square kilometers suit regions and cities; square meters suit local detail. The relationship is an exact power of ten.
Quick conversion table
| Square Kilometer (km2) | Square Meter (m2) |
|---|---|
| 0.1 | 100,000 |
| 1 | 1,000,000 |
| 2 | 2,000,000 |
| 3 | 3,000,000 |
| 4 | 4,000,000 |
| 5 | 5,000,000 |
| 6 | 6,000,000 |
| 7 | 7,000,000 |
| 8 | 8,000,000 |
| 9 | 9,000,000 |
| Square Kilometer (km2) | Square Meter (m2) |
|---|---|
| 10 | 10,000,000 |
| 20 | 20,000,000 |
| 30 | 30,000,000 |
| 40 | 40,000,000 |
| 50 | 50,000,000 |
| 60 | 60,000,000 |
| 70 | 70,000,000 |
| 80 | 80,000,000 |
| 90 | 90,000,000 |
| 100 | 100,000,000 |
More Square Kilometers converters
Dedicated pages from Square Kilometer to every other common area unit (square meter, square kilometer, hectare, acre, square feet, square yard, square inch, square mile).
- sq-km to sq-m (Square Kilometer to Square Meter)
- sq-km to sq-cm (Square Kilometer to Square Centimeter)
- sq-km to hectare (Square Kilometer to Hectare)
- sq-km to decare (Square Kilometer to Decare)
- sq-km to are (Square Kilometer to Are)
- sq-km to acre (Square Kilometer to Acre)
- sq-km to pyeong (Square Kilometer to Pyeong)
- sq-km to tsubo (Square Kilometer to Tsubo)
- sq-km to sq-ft (Square Kilometer to Square Feet)
- sq-km to sq-yard (Square Kilometer to Square Yard)
- sq-km to sq-inch (Square Kilometer to Square Inch)
- sq-km to sq-mile (Square Kilometer to Square Mile)