Convert Foot to Nautical Mile
1 foot = 0.0001645788 nautical mile (nmi). For example, 10 foot = 0.001645788 nautical mile and 100 foot = 0.01645788 nautical mile. Type any value below to convert foot to nautical mile both ways — it runs entirely in your browser.
Quick answer: Foot to Nautical Mile
1 Foot = 0.0001645788 Nautical Mile (ft → nmi). To convert foot to nautical mile, multiply by 0.0001645788. To convert nautical mile to foot, multiply by 6,076.115. The converter at the top does this instantly and both ways; the sections below give the formula, worked examples, a full conversion chart and answers to the most common foot-to-nautical mile questions.
How to convert Foot to Nautical Mile
To convert foot to nautical mile, multiply the number of foot by the conversion factor 0.0001645788, because 1 ft = 0.0001645788 nmi. The conversion is linear, so the same factor works for any value — whole numbers, decimals or fractions. For the reverse direction, 1 nmi = 6,076.115 ft, so you divide by 0.0001645788 (or multiply by 6,076.115) to turn nautical mile back into foot.
nmi = ft × 0.0001645788 ·
ft = nmi × 6,076.115
- Write down the value you want to convert, in foot.
- Multiply it by 0.0001645788.
- The result is the same area/length/quantity expressed in nautical mile.
Foot to Nautical Mile — worked examples
Each row shows the exact arithmetic so you can follow the conversion step by step. For example, 5 foot is 0.0008228942 nautical mile because 5 ft × 0.0001645788 = 0.0008228942 nmi.
| Foot | Calculation | Nautical Mile |
|---|---|---|
| 1 ft | 1 ft × 0.0001645788 = 0.0001645788 nmi | 0.0001645788 nmi |
| 2 ft | 2 ft × 0.0001645788 = 0.0003291577 nmi | 0.0003291577 nmi |
| 3 ft | 3 ft × 0.0001645788 = 0.0004937365 nmi | 0.0004937365 nmi |
| 5 ft | 5 ft × 0.0001645788 = 0.0008228942 nmi | 0.0008228942 nmi |
| 7 ft | 7 ft × 0.0001645788 = 0.001152052 nmi | 0.001152052 nmi |
| 10 ft | 10 ft × 0.0001645788 = 0.001645788 nmi | 0.001645788 nmi |
| 12 ft | 12 ft × 0.0001645788 = 0.001974946 nmi | 0.001974946 nmi |
| 15 ft | 15 ft × 0.0001645788 = 0.002468683 nmi | 0.002468683 nmi |
| 20 ft | 20 ft × 0.0001645788 = 0.003291577 nmi | 0.003291577 nmi |
| 25 ft | 25 ft × 0.0001645788 = 0.004114471 nmi | 0.004114471 nmi |
| 50 ft | 50 ft × 0.0001645788 = 0.008228942 nmi | 0.008228942 nmi |
| 100 ft | 100 ft × 0.0001645788 = 0.01645788 nmi | 0.01645788 nmi |
Common Foot to Nautical Mile conversions
These are the foot-to-nautical mile values people look up most often. Every figure is computed from the exact factor, so you can rely on them for quick reference:
- 1 foot = 0.0001645788 nautical mile
- 2 foot = 0.0003291577 nautical mile
- 2.5 foot = 0.0004114471 nautical mile
- 3 foot = 0.0004937365 nautical mile
- 4 foot = 0.0006583153 nautical mile
- 5 foot = 0.0008228942 nautical mile
- 6 foot = 0.000987473 nautical mile
- 7 foot = 0.001152052 nautical mile
- 8 foot = 0.001316631 nautical mile
- 9 foot = 0.00148121 nautical mile
- 10 foot = 0.001645788 nautical mile
- 12 foot = 0.001974946 nautical mile
- 15 foot = 0.002468683 nautical mile
- 20 foot = 0.003291577 nautical mile
- 25 foot = 0.004114471 nautical mile
- 30 foot = 0.004937365 nautical mile
- 50 foot = 0.008228942 nautical mile
- 75 foot = 0.01234341 nautical mile
- 100 foot = 0.01645788 nautical mile
- 200 foot = 0.03291577 nautical mile
- 500 foot = 0.08228942 nautical mile
- 1000 foot = 0.1645788 nautical mile
Foot to Nautical Mile conversion chart (both directions)
The chart below converts foot to nautical mile and nautical mile to foot side by side, so it works whichever way you need. 1 foot = 0.0001645788 nautical mile, and 1 nautical mile = 6,076.115 foot.
| Foot → Nautical Mile | Nautical Mile → Foot |
|---|---|
| 0.25 ft = 0.00004114471 nmi | 0.25 nmi = 1,519.029 ft |
| 0.5 ft = 0.00008228942 nmi | 0.5 nmi = 3,038.058 ft |
| 1 ft = 0.0001645788 nmi | 1 nmi = 6,076.115 ft |
| 2 ft = 0.0003291577 nmi | 2 nmi = 12,152.23 ft |
| 3 ft = 0.0004937365 nmi | 3 nmi = 18,228.35 ft |
| 4 ft = 0.0006583153 nmi | 4 nmi = 24,304.46 ft |
| 5 ft = 0.0008228942 nmi | 5 nmi = 30,380.58 ft |
| 6 ft = 0.000987473 nmi | 6 nmi = 36,456.69 ft |
| 7 ft = 0.001152052 nmi | 7 nmi = 42,532.81 ft |
| 8 ft = 0.001316631 nmi | 8 nmi = 48,608.92 ft |
| 9 ft = 0.00148121 nmi | 9 nmi = 54,685.04 ft |
| 10 ft = 0.001645788 nmi | 10 nmi = 60,761.15 ft |
| 12 ft = 0.001974946 nmi | 12 nmi = 72,913.39 ft |
| 15 ft = 0.002468683 nmi | 15 nmi = 91,141.73 ft |
| 20 ft = 0.003291577 nmi | 20 nmi = 121,522.3 ft |
| 25 ft = 0.004114471 nmi | 25 nmi = 151,902.9 ft |
| 30 ft = 0.004937365 nmi | 30 nmi = 182,283.5 ft |
| 40 ft = 0.006583153 nmi | 40 nmi = 243,044.6 ft |
| 50 ft = 0.008228942 nmi | 50 nmi = 303,805.8 ft |
| 75 ft = 0.01234341 nmi | 75 nmi = 455,708.7 ft |
| 100 ft = 0.01645788 nmi | 100 nmi = 607,611.5 ft |
| 150 ft = 0.02468683 nmi | 150 nmi = 911,417.3 ft |
| 200 ft = 0.03291577 nmi | 200 nmi = 1,215,223 ft |
| 250 ft = 0.04114471 nmi | 250 nmi = 1,519,029 ft |
| 500 ft = 0.08228942 nmi | 500 nmi = 3,038,058 ft |
| 1000 ft = 0.1645788 nmi | 1000 nmi = 6,076,115 ft |
Foot vs Nautical Mile: which is bigger?
A nautical mile is the larger unit: one nautical mile equals 6,076.115 foots. Put another way, you need 6,076.115 foots to make a single nautical mile.
What is a Foot? History, origin and usage
The foot is one of the most ancient units, based on the length of a human foot, and appeared in the Greek, Roman, Chinese and English systems with values ranging from about 250 to 335 mm. The English foot was eventually fixed at 12 inches, and since the 1959 international agreement it equals exactly 0.3048 metres.
The foot is still used in the US and UK for human height, building dimensions and, worldwide, aviation altitudes, since pilots almost everywhere report altitude in feet. It divides into 12 inches, and three feet make a yard.
Aircraft altitudes are measured in feet even in fully metric countries, a legacy of aviation's English-speaking origins. Historically the foot's length differed not only between countries but sometimes between trades within a single city.
What is a Nautical Mile? History, origin and usage
The nautical mile arose from navigation: it was defined as the length of one minute of arc of latitude along a meridian, so 60 nautical miles span one degree and Earth's circumference is close to 21,600 of them. Because the Earth is not a perfect sphere this length varied slightly with latitude, so a 1929 international conference in Monaco fixed the international nautical mile at exactly 1,852 metres.
The nautical mile is the standard distance unit in marine and air navigation worldwide. Speed at sea and in the air is measured in knots, one knot being one nautical mile per hour.
Its link to latitude means a navigator can read distance straight off a chart's latitude scale. A minute of latitude is about 1,843 metres at the Equator but roughly 1,862 metres near the poles because of Earth's flattening.
Convert 1 Foot to other units
It can help to see a foot next to the other units it is commonly compared with. One foot (ft) is equal to:
| 1 Foot equals | Unit |
|---|---|
| 0.0003048 km | Kilometre |
| 0.3048 m | Metre |
| 3.048 dm | Decimetre |
| 30.48 cm | Centimetre |
| 304.8 mm | Millimetre |
| 304,800 µm | Micrometre |
| 0.0001893939 mi | Mile |
| 0.3333333 yd | Yard |
| 12 in | Inch |
| 0.0001645788 nmi | Nautical Mile |
| 0.001515152 fur | Furlong |
| 0.01515152 ch | Chain |
| 1.515152 li | Link |
| 0.06060606 rd | Rod |
| 0.06060606 pole | Pole |
| 0.1666667 ftm | Fathom |
| 3 hand | Hand |
| 1.333333 span | Span |
| 2.666667 finger | Finger |
| 0.6666667 cubit | Cubit |
| 0.05 rope | Rope |
| 0.16764 ken | Ken |
| 0.00006313131 lea | League |
| 864 pt | Point |
| 0.000000000002037462 AU | Astronomical Unit |
| 0.00000000000000003221739 ly | Light-year |
| 0.03048 dam | Decametre |
| 0.003048 hm | Hectometre |
| 0.00005485961 nl | Nautical League |
Convert 1 Nautical Mile to other units
One nautical mile (nmi) is equal to:
| 1 Nautical Mile equals | Unit |
|---|---|
| 1.852 km | Kilometre |
| 1,852 m | Metre |
| 18,520 dm | Decimetre |
| 185,200 cm | Centimetre |
| 1,852,000 mm | Millimetre |
| 1,852,000,000 µm | Micrometre |
| 1.150779 mi | Mile |
| 2,025.372 yd | Yard |
| 6,076.115 ft | Foot |
| 72,913.39 in | Inch |
| 9.206236 fur | Furlong |
| 92.06236 ch | Chain |
| 9,206.236 li | Link |
| 368.2494 rd | Rod |
| 368.2494 pole | Pole |
| 1,012.686 ftm | Fathom |
| 18,228.35 hand | Hand |
| 8,101.487 span | Span |
| 16,202.97 finger | Finger |
| 4,050.744 cubit | Cubit |
| 303.8058 rope | Rope |
| 1,018.6 ken | Ken |
| 0.3835931 lea | League |
| 5,249,764 pt | Point |
| 0.00000001237986 AU | Astronomical Unit |
| 0.0000000000001957566 ly | Light-year |
| 185.2 dam | Decametre |
| 18.52 hm | Hectometre |
| 0.3333333 nl | Nautical League |
Tips for converting Foot to Nautical Mile
- To go from foot to nautical mile, multiply by 0.0001645788; to go back, divide by 0.0001645788 (or multiply by 6,076.115).
- For a quick mental estimate, remember that 1 foot ≈ 0.0001645788 nautical mile, so 10 foot ≈ 0.001645788 nautical mile.
- The converter above keeps full precision; the tables round for readability, so use the tool for exact figures.
- Both fields update live as you type — change either side to convert in that direction.
How to use this Foot to Nautical Mile converter
Type a number into the Foot field and the equivalent in Nautical Mile appears instantly — there is no “convert” button to press and nothing is sent to a server, so it works offline once the page has loaded and is safe for any data. You can also type into the Nautical Mile field to convert the other way (nautical mile to foot). Use the swap control to flip the two units, and copy the result with a single click. Because the calculation runs in your browser with full floating-point precision, the converter is more exact than the rounded figures shown in the reference chart above — use the chart for quick look-ups and the tool for precise work.
Accuracy and method
Every figure on this page — the formula, the worked examples, the conversion chart and the “convert to other units” tables — is computed from a single verified conversion factor (1 ft = 0.0001645788 nmi), never copied from a hand-typed lookup table that could drift. That factor is derived from each unit’s definition in terms of a common base unit, and an automated check re-verifies all of the site’s factors on every update, so the numbers here stay correct over time. This matters for foot-to-nautical mile conversions because a small rounding error in a published table compounds quickly at larger quantities; computing from the exact factor avoids that.
Sources
- NIST Special Publication 811 — Guide for the Use of the SI — publishes the exact metric equivalents of the customary units. The inch, foot, yard and mile are defined exactly in metres by the 1959 international yard-and-pound agreement, so every imperial figure on this page is exact, not rounded.
- BIPM — The International System of Units (SI Brochure) — the defining document for the SI, published by the International Bureau of Weights and Measures. It fixes the base unit that this conversion resolves to, which is why the factor here can be exact rather than approximate.
The metric units (km, m, cm, mm, µm) are exact by definition, and the imperial units (mile, yard, foot, inch, nautical mile) use their exact international values. Traditional units (hand, span, finger, cubit, rod/pole, link, rope, ken, league) are given at their commonly accepted standard sizes — historical local values sometimes differed, so confirm against a primary source before relying on them for legal or historical work.
Frequently asked questions
- How many nautical mile are in 1 foot?
- 1 foot = 0.0001645788 nautical mile (nmi). To convert any number of foot to nautical mile, multiply by 0.0001645788.
- How do I convert foot to nautical mile?
- Multiply the number of foot by 0.0001645788. For example, 10 foot = 10 × 0.0001645788 = 0.001645788 nautical mile, and 25 foot = 0.004114471 nautical mile.
- How many foot are in 1 nautical mile?
- 1 nautical mile = 6,076.115 foot. So to convert nautical mile back to foot, multiply by 6,076.115.
- What is the formula to convert foot to nautical mile?
- nautical mile = foot × 0.0001645788. The reverse formula is foot = nautical mile × 6,076.115.
- How much is 100 foot in nautical mile?
- 100 foot = 0.01645788 nautical mile. (And 1000 foot = 0.1645788 nautical mile.)
- Which is bigger, a foot or a nautical mile?
- A nautical mile is larger: 1 nautical mile = 6,076.115 foot.
- Is this foot to nautical mile converter accurate?
- Yes — every value is computed from the exact 0.0001645788 nmi per ft factor (not rounded look-up tables), and the factors are re-verified automatically on every update.
- Can I convert nautical mile to foot too?
- Yes. The converter works both ways — enter a value in either field. 1 nautical mile = 6,076.115 foot.