Convert Foot to Nautical Mile

One ft equals 0.0001645788337 nmi. This converter allows you to easily convert between Foot and Nautical Mile in real time.

Formula

ft × 0.0001645788337 = nmi

Example: 1 ft = 0.0001645788337 nmi

What is Foot?

The foot is a unit of length in the imperial and US customary systems, equal to exactly 0.3048 meters or 12 inches. Its name comes from the length of a human foot, and it has been used as a measure since ancient civilizations. In the United States, height is commonly expressed in feet and inches (for example, "5 feet 10 inches"), and real estate listings use square feet for floor area. In aviation worldwide, altitude is measured in feet, regardless of whether the country otherwise uses the metric system.

What is Nautical Mile?

The nautical mile is a unit of distance used in maritime and air navigation, defined as exactly 1,852 meters. It was originally based on one minute of arc of latitude along any meridian of the Earth, making it naturally suited for navigation on charts. The knot, a unit of speed equal to one nautical mile per hour, is derived from this unit. Nautical miles are used internationally for charting sea and air routes, and they remain the standard in maritime law and international treaties governing territorial waters.