Convert 1 Per Kilometer to Per Millimeter

1 km⁻¹ (Per Kilometer) is equal to 0.000001 mm⁻¹ (Per Millimeter). To convert from Per Kilometer to Per Millimeter, multiply by 0.000001 or divide by 1,000,000.

• 1 km⁻¹ × 1.0E-6 = 1.0E-6 mm⁻¹
• 1 km⁻¹ ÷ 1000000 = 1.0E-6 mm⁻¹