Enter a value in megaparsec (Mpc) in the "From" field, and the equivalent value in nautical mile (nmi) will be displayed in the "To" field automatically.

The conversion factor between megaparsec and nautical mile is calculated automatically based on their relationship to the base unit in the length / distance category.

Yes, you can convert between any units in the length / distance category. Use the dropdown menus to select different units.