Convert 1 Tonne per Square Kilometer to Kilogram per Square Millimeter

1 t/km² (Tonne per Square Kilometer) is equal to 0.000000001 kg/mm² (Kilogram per Square Millimeter). To convert from Tonne per Square Kilometer to Kilogram per Square Millimeter, multiply by 0.000000001 or divide by 1,000,000,000.

• 1 t/km² × 1.0E-9 = 1.0E-9 kg/mm²
• 1 t/km² ÷ 1000000000 = 1.0E-9 kg/mm²