Nautical Mile to Chain Converter

Length Converter

31 units available

Decimals:

From

To

92.062356

1 nmi = 92.062356 ch

Formula:

ch = nmi × 92.0623558419

With your value: 1 nmi = 92.06235584 ch

How big is that?

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

Olympic pool (1/37 your value)0.0270 nmi

Football pitch (length) (1/18 your value)0.0567 nmi

Eiffel Tower (1/5.6 your value)0.178 nmi

Burj Khalifa (1/2.2 your value)0.447 nmi

Your value1.00 nmi

Marathon (23× your value)22.8 nmi

Other Nautical Mile to Chain conversions

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

Nautical Mile to Chain Conversion Table

Nautical Mile (nmi)	Chain (ch)
0.5	46.031178
1	92.062356
2	184.124712
5	460.311779
10	920.623558
15	1,380.935338
20	1,841.247117
25	2,301.558896
50	4,603.117792
100	9,206.235584
250	23,015.58896
500	46,031.177921
1000	92,062.355842

Chain to Nautical Mile Conversion Table

Chain (ch)	Nautical Mile (nmi)
0.5	0.005431
1	0.010862
2	0.021724
5	0.054311
10	0.108622
15	0.162933
20	0.217244
25	0.271555
50	0.54311
100	1.08622
250	2.715551
500	5.431102
1000	10.862203

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.

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

Chain (ch)

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

How to Convert Nautical Mile to Chain

To convert from Nautical Mile (nmi) to Chain (ch), multiply the value by 92.0623558419.

Formula: ch = nmi × 92.0623558419

Reverse: nmi = ch × 0.010862203

Step-by-Step Example

Start with your value in Nautical Mile. For example: 5 nmi
Multiply by the conversion factor: 5 x 92.0623558419
The result is: 460.311779 ch

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.

About Chain

Gunter's chain equals 66 feet (20.1168 m) and underpins the US Public Land Survey System: 10 square chains make one acre.

Common uses: land surveying, cadastral records, cricket pitch length.

Frequently Asked Questions

How many Chain are in 1 Nautical Mile?

There are exactly 92.0623558419 Chain in 1 Nautical Mile. This means the conversion factor from Nautical Mile to Chain is 92.0623558419.

What is the formula to convert Nautical Mile to Chain?

The formula to convert Nautical Mile to Chain is: ch = nmi × 92.0623558419. For example, to convert 10 Nautical Mile to Chain, you would multiply 10 by 92.0623558419.

What is a Nautical Mile?