Convert 1 Kilometer to Micrometer

1 km (kilometer) is equal to 1,000,000,000 μm (micrometer). To convert from kilometer to micrometer, multiply by 999,999,999.9999999 or divide by 0.000000001.

• 1 km × 1000000000 = 1000000000 μm
• 1 km ÷ 1.0E-9 = 1000000000 μm