How to convert square kilometers to square meters
Square Kilometers and Square Meters both measure area, so converting is a single multiplication. One km² equals 1,000,000 m², so you multiply your square kilometers value by 1,000,000.
Formula: square meters = square kilometers × 1,000,000. For example, 10 km² = 10,000,000 m².
Square Kilometers to Square Meters conversion table
| Square Kilometers (km²) | Square Meters (m²) |
|---|---|
| 1 | 1,000,000 |
| 2 | 2,000,000 |
| 5 | 5,000,000 |
| 10 | 10,000,000 |
| 25 | 25,000,000 |
| 50 | 50,000,000 |
| 100 | 100,000,000 |
| 1,000 | 1,000,000,000 |
Square Kilometers and Square Meters explained
Square Kilometers (km²): One million square metres, used for regions and countries.
Square Meters (m²): The SI unit of area, used for floor space and land.
When you'd convert square kilometers to square meters
You'll convert square kilometers to square meters whenever a measurement is given in one unit but you need it in the other — comparing square kilometers and square meters figures across regions, following a recipe or spec, or double-checking a number. Because 1 km² is exactly 1,000,000 m², the result is precise every time.
Frequently asked questions
How many square meters are in a square kilometer?
One km² equals 1,000,000 m². Multiply your square kilometers figure by 1,000,000 to get square meters.
What is the formula to convert square kilometers to square meters?
square meters = square kilometers × 1,000,000. The factor 1,000,000 is exact.
What is 2 square kilometers in square meters?
2 km² = 2,000,000 m². You can enter any value in the converter above to get an instant result.
Is this Square Kilometers to Square Meters converter accurate?
Yes. It uses the standard conversion factor (1 km² = 1,000,000 m²) defined by BIPM — SI Brochure (derived units), so results are exact to several decimal places.