Furlong to Nautical Mile Converter

Length Converter

31 units available

Decimals:

From

To

0.108622

1 fur = 0.108622 nmi

Formula:

nmi = fur × 0.1086220302

With your value: 1 fur = 0.10862203 nmi

How big is that?

Everyday references on a logarithmic scale, all expressed in furlong so you can sanity-check the result.

London double-decker bus (1/18 your value)0.0547 fur

Olympic pool (1/4.0 your value)0.249 fur

Football pitch (length) (1/1.9 your value)0.522 fur

Your value1.00 fur

Eiffel Tower (1.6× your value)1.64 fur

Burj Khalifa (4.1× your value)4.12 fur

Other Furlong to Nautical Mile conversions

2 fur to nmi 3 fur to nmi 4 fur to nmi 5 fur to nmi 6 fur to nmi 7 fur to nmi 8 fur to nmi

Furlong to Nautical Mile Conversion Table

Furlong (fur)	Nautical Mile (nmi)
0.5	0.054311
1	0.108622
2	0.217244
5	0.54311
10	1.08622
15	1.62933
20	2.172441
25	2.715551
50	5.431102
100	10.862203
250	27.155508
500	54.311015
1000	108.62203

Nautical Mile to Furlong Conversion Table

Nautical Mile (nmi)	Furlong (fur)
0.5	4.603118
1	9.206236
2	18.412471
5	46.031178
10	92.062356
15	138.093534
20	184.124712
25	230.15589
50	460.311779
100	920.623558
250	2,301.558896
500	4,603.117792
1000	9,206.235584

Where these values come from

Every factor on this page is traced to the document that defines it. See the full provenance dataset or our methodology.

Furlong (fur)

Length

Exact conversion

Traceable to the metre, defined by fixing the speed of light in vacuum at 299 792 458 m/s. Imperial lengths derive from the 1959 international yard (0.9144 m exactly).

Source: BIPM, The International System of Units (SI), 9th edition, 2019 (updated 2024)

Bureau International des Poids et Mesures · Reviewed 2026-07-01

Nautical Mile (nmi)

Length

Conventional value

1 international nautical mile = 1852 m exactly, adopted by the First International Extraordinary Hydrographic Conference (1929).

Source: Units accepted for use with the SI, SI Brochure Table 8

Bureau International des Poids et Mesures · Reviewed 2026-07-01

How to Convert Furlong to Nautical Mile

To convert from Furlong (fur) to Nautical Mile (nmi), multiply the value by 0.1086220302.

Formula: nmi = fur × 0.1086220302

Reverse: fur = nmi × 9.2062355842

Step-by-Step Example

Start with your value in Furlong. For example: 5 fur
Multiply by the conversion factor: 5 x 0.1086220302
The result is: 0.54311 nmi

About Furlong

The furlong equals 220 yards (201.168 m), one eighth of a mile. It survives almost exclusively in horse racing.

Common uses: horse racing, historic land records.

About Nautical Mile

The nautical mile equals 1,852 meters and is used primarily in aviation and maritime navigation.

Fun Fact: One nautical mile corresponds to one minute of latitude on the Earth's surface.

Common uses: navigation, aviation, maritime.

Frequently Asked Questions

How many Nautical Mile are in 1 Furlong?

There are exactly 0.1086220302 Nautical Mile in 1 Furlong. This means the conversion factor from Furlong to Nautical Mile is 0.1086220302.

What is the formula to convert Furlong to Nautical Mile?

The formula to convert Furlong to Nautical Mile is: nmi = fur × 0.1086220302. For example, to convert 10 Furlong to Nautical Mile, you would multiply 10 by 0.1086220302.

What is a Furlong?