Feet to Nautical Miles (ft to nmi) Converter

How to convert feet to nautical miles

Formulanmi = ft × 0.0001645788337

Multiply the value in feet by 0.0001645788337. To go the other way, multiply by 6,076.115486 (or divide by 0.0001645788337).

A foot is smaller than a nautical mile: it takes 6,076.115486 feet to make one nautical mile.

Worked examples

1 foot1 ft × 0.0001645788337 = 0.0001645788337 nmi
5 feet5 ft × 0.0001645788337 = 0.0008228941685 nmi
10 feet10 ft × 0.0001645788337 = 0.001645788337 nmi
20 feet20 ft × 0.0001645788337 = 0.003291576674 nmi
100 feet100 ft × 0.0001645788337 = 0.01645788337 nmi

Feet to nautical miles conversion table

Values are calculated by the conversion engine and rounded to 8 significant figures.

Feet to nautical miles: 0.1–10 ft
Feet (ft)	Nautical miles (nmi)
0.1 ft	0.000016457883 nmi
0.25 ft	0.000041144708 nmi
0.5 ft	0.000082289417 nmi
1 ft	0.00016457883 nmi
2 ft	0.00032915767 nmi
3 ft	0.0004937365 nmi
4 ft	0.00065831533 nmi
5 ft	0.00082289417 nmi
6 ft	0.000987473 nmi
7 ft	0.0011520518 nmi
8 ft	0.0013166307 nmi
9 ft	0.0014812095 nmi
10 ft	0.0016457883 nmi

Feet to nautical miles: 12–1,000 ft
Feet (ft)	Nautical miles (nmi)
12 ft	0.001974946 nmi
15 ft	0.0024686825 nmi
20 ft	0.0032915767 nmi
25 ft	0.0041144708 nmi
30 ft	0.004937365 nmi
40 ft	0.0065831533 nmi
50 ft	0.0082289417 nmi
75 ft	0.012343413 nmi
100 ft	0.016457883 nmi
250 ft	0.041144708 nmi
500 ft	0.082289417 nmi
1,000 ft	0.16457883 nmi

About the units

Foot (ft)

Exactly 0.3048 m, or 12 inches. Feet are used in the US for height, room dimensions and aircraft altitude; a standard ceiling is 8 ft.

Nautical mile (nmi)

Exactly 1,852 m, originally one minute of latitude. Nautical miles are used in aviation and at sea, together with the knot (one nautical mile per hour).

Frequently asked questions

How many nautical miles are in one foot?

There are 0.0001645788337 nautical miles in one foot, and this value is exact by definition.

How do I convert feet to nautical miles?

Multiply the number of feet by 0.0001645788337. For example, 10 ft × 0.0001645788337 = 0.001645788337 nmi.

How many feet are in one nautical mile?

One nautical mile equals 6,076.115486 feet. That is the reverse factor, 1 ÷ 0.0001645788337.

What is 10 feet in nautical miles?

10 ft = 0.001645788337 nmi.

Is this ft to nmi converter accurate?

Yes. Both units are defined exactly in terms of SI units, so the conversion factor is exact; results are shown to 12 significant figures by default and you can change precision in the converter. Calculations run in your browser using the same tested engine that generated this page.

Feet to Nautical Miles Converter