Square Kilometers to Square Millimeters Converter
CommonSquare meters, acres, hectares and more.
How to convert Square Kilometers to Square Millimeters
Multiply the square kilometers value by 1e+12: 1 km² = 1e+12 mm². Going the other way, 1 mm² = 1e-12 km², so divide by 1e+12 or use the Square Millimeters to Square Kilometers converter.
About these units
Square Kilometers (km²)
A square kilometer is one million square meters, about 0.386 square miles or 100 hectares. The areas of cities and countries are given in square kilometers.
Square Kilometers to Square Millimeters conversion table
| Square Kilometers (km²) | Square Millimeters (mm²) |
|---|---|
| 1 km² | 1e+12 mm² |
| 2 km² | 2e+12 mm² |
| 3 km² | 3e+12 mm² |
| 4 km² | 4e+12 mm² |
| 5 km² | 5e+12 mm² |
| 10 km² | 1e+13 mm² |
| 20 km² | 2e+13 mm² |
| 25 km² | 2.5e+13 mm² |
| 50 km² | 5e+13 mm² |
| 100 km² | 1e+14 mm² |
| 500 km² | 5e+14 mm² |
| 1,000 km² | 1e+15 mm² |
More square kilometers conversions
- Square Kilometers to Square Meters1 km² = 1e+6 m²
- Square Kilometers to Square Centimeters1 km² = 1e+10 cm²
- Square Kilometers to Hectares1 km² = 100 ha
- Square Kilometers to Ares1 km² = 10,000 a
- Square Kilometers to Square Feet1 km² = 1.0764e+7 ft²
- Square Kilometers to Dunams1 km² = 1,000 dunam
See every unit on the Area Converter.