Mile to Nautical Mile Converter 2025 - mi to nmi Calculator | Thiyagi

Mile to Nautical Mile Converter

Convert between statute miles (mi) and nautical miles (nmi) for navigation, aviation, maritime, and distance measurements

Statute mile (land measurement)
International nautical mile
Enter a value to see the conversion result

Distance Reference

Miles ⇔ Nautical Miles
1 mi ⇔ 0.8689 nmi
5 mi ⇔ 4.345 nmi
10 mi ⇔ 8.689 nmi
50 mi ⇔ 43.45 nmi
100 mi ⇔ 86.89 nmi
1000 mi ⇔ 868.9 nmi

Distance Applications

Aviation Distances:
• Short flights: 200-500 mi (174-435 nmi)
• Medium flights: 500-1,500 mi (435-1,303 nmi)
• Long flights: 1,500-8,000+ mi
• Atlantic crossing: 3,500 mi (3,042 nmi)
Maritime Routes:
• Coastal sailing: 10-100 nmi
• Island hopping: 50-200 nmi
• Ocean crossing: 2,000-4,000+ nmi
• Pacific crossing: 6,000+ nmi
Navigation Planning:
• GPS coordinates in nautical miles
• Chart plotting uses nmi
• Flight plans in statute miles
• Weather radius in miles/nmi

Distance Units

  • mi: Statute mile (5,280 feet)
  • nmi: Nautical mile (1,852 meters)
  • Conversion: 1 mi = 0.868976 nmi
  • Origin: Based on Earth's meridian

Usage Tips

  • nmi for marine/aviation
  • mi for land distances
  • Charts use nmi
  • GPS can show both

Applications

  • Marine: Chart navigation
  • Aviation: Flight planning
  • Weather: Storm tracking
  • GPS: Coordinate systems