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Millimeter to Nautical Mile Converter

mm
nmi
1. 1 mm × 0.001 = 0.001 nm
2. 0.001 nm ÷ 1852 = 0 nmi

Unit Information

Millimeter (mm)

The millimeter is a unit of length equal to one thousandth of a meter.

1 mm = 0.000000539957 nmi1 mm = 0.001 m1 mm = 0.03937 in

Nautical Mile (nmi)

The nautical mile is a unit of length used in marine navigation and aviation, equal to 1,852 meters.

1 nmi = 1,852,000 mm1 nmi = 1.852 km1 nmi = 1.15078 mi

Common Applications

Millimeter

  • Technical drawings
  • Manufacturing tolerances
  • Medical measurements
  • Precision engineering

Nautical Mile

  • Maritime navigation
  • Aviation
  • Weather forecasting
  • International waters boundaries

Examples

  • One nautical mile is exactly 1,852,000 millimeters
  • A radar's precision can be measured in millimeters at close range
  • Maritime charts often show depth contours in meters while equipment precision is in millimeters
  • Modern GPS systems can provide accuracy to within millimeters

Visual Comparison

1 nmi = 1,852,000 mm
1 mm