Converting ft to nmi: Foot to Nautical Mile Conversion Guide
The foot (ft) and the nautical mile (nmi) are both units of distance commonly used in navigation, aviation, and maritime contexts. Understanding how to convert between these units is essential for professionals and enthusiasts alike.
Understanding the Units
A foot (ft) is a unit of length in the imperial and US customary systems, equal to 12 inches or 0.3048 meters. A nautical mile (nmi) is based on the Earth's circumference and is used primarily in marine and air navigation. One nautical mile is exactly 1,852 meters or approximately 6,076.1 feet.
Conversion Formula
To convert feet to nautical miles, use the following formula:
Nautical Miles = Feet ÷ 6,076.1
Example Conversion
For example, to convert 12,000 feet to nautical miles:
Nautical Miles = 12,000 ft ÷ 6,076.1 ≈ 1.975 nmi
Quick Reference
Keep in mind that:
- 1 nmi = 6,076.1 ft
- 1 ft ≈ 0.0001646 nmi
This quick reference can help you perform conversions swiftly when precise calculations are not required.