Convert square kilometers to square centimeters
1 km² = 10,000,000,000 cm². Change the amount below, or read the formula and the reference table further down.
1 square kilometer equals
square centimeters
1 km² = 10,000,000,000 cm²
The formula
Square kilometers and square centimeters both measure area from the same zero, so a single multiplier does the job.
cm² = km² × 10,000,000,000
Going the other way? Convert square centimeters to square kilometers.
Square kilometers to square centimeters table
Common values, rounded for reading.
| Square kilometers (km²) | Square centimeters (cm²) |
|---|---|
| 1 | 10,000,000,000 |
| 2 | 20,000,000,000 |
| 3 | 30,000,000,000 |
| 4 | 40,000,000,000 |
| 5 | 50,000,000,000 |
| 6 | 60,000,000,000 |
| 7 | 70,000,000,000 |
| 8 | 80,000,000,000 |
| 9 | 90,000,000,000 |
| 10 | 100,000,000,000 |
| 15 | 150,000,000,000 |
| 20 | 200,000,000,000 |
| 25 | 250,000,000,000 |
| 30 | 300,000,000,000 |
| 40 | 400,000,000,000 |
| 50 | 500,000,000,000 |
| 75 | 750,000,000,000 |
| 100 | 1,000,000,000,000 |
| 250 | 2,500,000,000,000 |
| 500 | 5,000,000,000,000 |
| 1,000 | 10,000,000,000,000 |
Questions people ask
- How many square centimeters are in a square kilometer?
- One square kilometer equals 10,000,000,000 square centimeters.
- How do I convert square kilometers to square centimeters by hand?
- Multiply the number of square kilometers by 10,000,000,000. For a rough check, 10,000,000,000 is close enough for most everyday use.
- What is 1 square kilometer in square centimeters?
- 1 square kilometer is 10,000,000,000 square centimeters.
Calcuit generates this page from a unit table, so the factors here match every other page on the site.