How to convert Megameter to Millimeter

Conversion factor and calculation steps from Megameter (Mm) to Millimeter (mm).

Conversion logic

Each unit is defined via the base unit (meter (m)). The value is first converted to the base unit, then to the selected unit.

1 Mm = 1000000 m

1 mm = 0.001 m

1 Mm × 1000000 = 1000000 m

1000000 m ÷ 0.001 = 1000000000 mm