Convert 1 square kilometer to square centimeter

1 km² (square kilometer) is equal to 10,000,000,000 cm² (square centimeter). To convert from square kilometer to square centimeter, multiply by 10,000,000,000 or divide by 0.00000000009999999999999999.

• 1 km² × 10000000000 = 10000000000 cm²
• 1 km² ÷ 1.0E-10 = 10000000000 cm²