Nautical miles to US survey feet Converter — nmi to ftUS

Convert Nautical mile (nmi) to US survey foot (ftUS) using the exact conversion factor (1 nautical mile = 6,076.103333 us survey foot). See the formula, worked examples, conversion table, history, and common uses.

Nautical miles to US survey feet converter

Converter

Length Converter

Convert SI, imperial, US customary, astronomical, scientific, and historical length units.

Result 1 nautical mile = 6,076.103333 us survey foot
Advertisement Converter ad slot

Reserved below the result so the calculator remains usable.

From definition

A nautical mile is exactly 1,852 meters.

To definition

The US survey foot is 1200/3937 meters and is retained for legacy land records.

Formula

Result = input x 1852 / 0.3048006096.

Length uses the meter as the base unit.

Advertisement Ad slot: content top (728x90)

Reserved above the conversion cards and below the converter.

About Converting Nautical miles to US survey feet

Nautical mile and US survey foot both measure length. Nautical mile is most often used for marine and aviation distance and navigation.

Formula

us survey feet = nautical miles × 6076.10333333

This factor comes from each unit's defined relationship to the category's base unit: 1 nautical mile equals 1852 base units, and 1 us survey foot equals 0.304800609601 base units, so dividing one by the other gives the direct nautical mile-to-us survey foot factor of 6076.10333333.

Simple example

1 nmi × 6076.103333 = 6,076.103333 ftUS

1 nautical mile = 6,076.103333 us survey feet.

Real-world example

10 nmi × 6076.103333 = 60,761.03333 ftUS

10 nautical miles = 60,761.03333 us survey feet.

Conversion table

Nautical mile (nmi)US survey foot (ftUS)
1 nmi6,076.103333 ftUS
5 nmi30,380.51667 ftUS
10 nmi60,761.03333 ftUS
21.0975 nmi128,190.5901 ftUS
42.195 nmi256,381.1802 ftUS
100 nmi607,610.3333 ftUS

Reverse conversion: US survey foot to Nautical mile

1 ftUS × 0.0001645791629 = 0.0001645792 nmi

1 us survey foot = 0.0001645792 nautical miles.

nautical miles = us survey feet × 0.000164579162852

For a page dedicated to this direction, see US survey foot to Nautical mile.

Understanding the Nautical mile

Nautical mile (nmi) measures distance. The international nautical mile is defined as exactly 1,852 meters, standardized in 1929. It is classified as a Non-SI unit accepted for use with SI (maritime/aviation).

Where it's used: Used internationally in maritime navigation and aviation.

Uses of the Nautical mile today

  • Marine and aviation distance and navigation
  • Basis for the knot (nautical miles per hour)

History of the Nautical mile

The nautical mile was historically defined as one minute of latitude along a meridian, directly tying sea navigation to the Earth's geometry, which made it practical for chart-based navigation using a ship's known latitude. The International Hydrographic Bureau standardized it at exactly 1,852 meters in 1929, a value close to the traditional latitude-based definitions used by different countries.

Historical origin. Nautical mile was not the invention of a single named person; it developed through the process described above.

Understanding the US survey foot (ftUS)

The US survey foot is 1200/3937 meters and is retained for legacy land records.

Nautical mile — sources

  • BIPM SI Brochure — Non-SI units accepted for use with SI — Lists the nautical mile among accepted non-SI units.
Advertisement Ad slot: content middle (728x90)

Reserved between the cards and the FAQ so the page stays balanced.

Frequently asked questions

How many us survey feet are in 1 nautical mile?

1 nautical mile equals 6,076.103333 us survey feet, using the exact defined conversion factor rather than an estimate.

How do I convert nautical mile to us survey foot?

Multiply the nautical mile value by 6076.103333. The converter above does this instantly to whatever precision you set.

How do I convert us survey foot back to nautical mile?

Use the reverse factor: 1 us survey foot equals 0.0001645792 nautical miles. You can also use the swap control in the converter above to flip the direction instantly.

What is a nautical mile?

Nautical mile (nmi) measures distance. The international nautical mile is defined as exactly 1,852 meters, standardized in 1929. It is classified as a Non-SI unit accepted for use with SI (maritime/aviation).

What is a us survey foot?

US survey foot (ftUS) is a unit of length.

Is the nautical mile to us survey foot conversion exact?

Yes. The international nautical mile is defined as exactly 1,852 meters, standardized in 1929. That fixed definition is what the converter above uses, so any rounding you see is a display choice, not a limitation of the math.

Where is the nautical mile still used today?

Used internationally in maritime navigation and aviation.