US Foot (ft US) to Nautical Mile (nmi) Conversion
Convert US feet to nautical miles quickly and accurately. 1 nautical mile = 1852 meters; 1 ft US = 1200/3937 meters. This page provides formulas, tables, and practical scenarios.
1 nmi = 1852 m (exact, international)
1 ft US = 1200/3937 m ≈ 0.3048006096 m
1 ft US ≈ 0.000164579 nmi
Related conversions: foot-us to mile, foot-us to fathom, foot-us to meter
1 ft US ≈ 0.000164579 nmi
≈ 6076.114 ft US = 1 nmi
≈ 12152.228 ft US = 2 nmi
≈ 30380.57 ft US = 5 nmi
Nautical miles are commonly used in maritime and aviation navigation for long-distance measurement; US feet are used for elevation, runway length, and survey dimensions. This conversion helps bridge daily survey measurements and professional navigation units.
• Aviation: Convert altitude changes (ft US) to route planning in nautical miles.
• Maritime: Convert port construction measurements (ft US) to nautical miles for route planning.
• Navigation: Convert radar range or sight distance from US feet to nautical miles.
nmi = ft US × (0.3048006096 ÷ 1852)
Example: 12152.228 ft US ≈ 12152.228 × (0.3048006096 ÷ 1852) ≈ 2 nmi
Q: What is a nautical mile?
A: A unit used in navigation, defined as exactly 1852 meters.
Q: Why use US foot here?
A: US foot is a legacy survey unit (exactly 1200/3937 m). Using the meter definition keeps conversions consistent across systems.