Rod to Nautical Mile Converter

Length Converter

31 units available

Decimals:

From

To

0.002716

1 rd = 0.002716 nmi

Formula:

nmi = rd × 0.0027155508

With your value: 1 rd = 0.00271555 nmi

How big is that?

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

A4 sheet (height) (1/17 your value)0.0591 rd

Adult stride (1/6.7 your value)0.149 rd

Standard door height (1/2.5 your value)0.398 rd

Your value1.00 rd

London double-decker bus (2.2× your value)2.19 rd

Olympic pool (9.9× your value)9.94 rd

Other Rod to Nautical Mile conversions

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

Rod to Nautical Mile Conversion Table

Rod (rd)	Nautical Mile (nmi)
0.5	0.001358
1	0.002716
2	0.005431
5	0.013578
10	0.027156
15	0.040733
20	0.054311
25	0.067889
50	0.135778
100	0.271555
250	0.678888
500	1.357775
1000	2.715551

Nautical Mile to Rod Conversion Table

Nautical Mile (nmi)	Rod (rd)
0.5	184.124712
1	368.249423
2	736.498847
5	1,841.247117
10	3,682.494234
15	5,523.741351
20	7,364.988467
25	9,206.235584
50	18,412.471168
100	36,824.942337
250	92,062.355842
500	184,124.711684
1000	368,249.423368

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.

Rod (rd)

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 Rod to Nautical Mile

To convert from Rod (rd) to Nautical Mile (nmi), multiply the value by 0.0027155508.

Formula: nmi = rd × 0.0027155508

Reverse: rd = nmi × 368.2494233675

Step-by-Step Example

Start with your value in Rod. For example: 5 rd
Multiply by the conversion factor: 5 x 0.0027155508
The result is: 0.013578 nmi

About Rod

The rod (pole or perch) equals 16.5 feet (5.0292 m). Four rods make a chain, and it still appears in older deeds and fencing estimates.

Common uses: historic deeds, fencing, surveying.

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 Rod?

There are exactly 0.0027155508 Nautical Mile in 1 Rod. This means the conversion factor from Rod to Nautical Mile is 0.0027155508.

What is the formula to convert Rod to Nautical Mile?

The formula to convert Rod to Nautical Mile is: nmi = rd × 0.0027155508. For example, to convert 10 Rod to Nautical Mile, you would multiply 10 by 0.0027155508.

What is a Rod?