Welcome to my millimeters to nautical miles converter, also known as the mm to nmi converter.
Use the form below to convert millimeters (mm) into nautical miles (nmi) and if you want to read an explanation of how to convert millimeters to nautical miles with step-by-step instruction just click the "Explain" button.
You can also check the Quick Conversions box in the right menu for some preset calculations that are commonly searched for.
All Length Unit Converters
The list below contains links to all of our length unit converters.