How many nautical miles is 1 rod?

One rod equals approximately 0.002716 NM.

How many rods are in 1 nautical mile?

One NM contains approximately 368.25 rods.

When is this conversion needed?

In coastal surveying where land measurements (rods) transition to maritime measurements (NM) at the shore.

Rods to Nautical Miles (rd to nmi) Converter

1 rd = 0.0027 nmi

1 Rod equals 0.0027 Nautical Miles (1 rd = 0.0027 nmi). Convert Rods to Nautical Miles with formula, table, and examples.

One rod equals approximately 0.002716 nautical miles. A nautical mile contains about 368.25 rods. The rod measures English land; the NM measures sea and air distances. At the coast, one transitions to the other.

How to Convert Rods to Nautical Miles

nmi = rd × 0.0027155508

Multiply the value in Rods by 0.0027155508

Take your value in Rods
Multiply by 0.0027155508
Read the result in Nautical Miles

Common Rods to Nautical Miles Conversions

Rods (rd)	Nautical Miles (nmi)	Status
1 rd	0.0027 nmi
5 rd	0.0136 nmi
10 rd	0.0272 nmi
40 rd	0.1086 nmi
100 rd	0.2716 nmi
320 rd	0.869 nmi
500 rd	1.3578 nmi
1,000 rd	2.7156 nmi
5,000 rd	13.5778 nmi
10,000 rd	27.1555 nmi

Good to Know About Rods to Nautical Miles Conversion

The rod and NM divide at the waterline: land law above, maritime law below. The same stretch of coast is measured in rods by the land surveyor and in NM by the chart maker. Two measurement systems, two legal frameworks, one shoreline.

Rods to Nautical Miles: What You Need to Know

1 NM = 368.25 rods. A 40-rod furlong = 0.1086 NM. A 320-rod mile = 0.869 NM. The rod-to-NM conversion matters where coastal land surveys meet maritime charts.

What is a Rod? rd

Exactly 16.5 feet or 5.5 yards (5.0292 m). Also called a perch or pole. Historically used in land surveying.

Imperial land surveying historical

Learn more about Rod →

What is a Nautical Mile? nmi

Exactly 1852 meters by international agreement. Based on one minute of arc of latitude at the Earth's surface. The standard unit for maritime and air navigation.

Nautical maritime navigation aviation international shipping

Learn more about Nautical Mile →

Going the other way? Use our Nautical Miles to Rods converter.

Rods to Nautical Miles FAQ

One rod equals approximately 0.002716 NM.
One NM contains approximately 368.25 rods.
In coastal surveying where land measurements (rods) transition to maritime measurements (NM) at the shore.

Non-Frequently Asked Questions About Rods to Nautical Miles

Questions nobody should ask - but someone did.

Due to the coastline paradox, the rod-measured coastline is always longer than the NM-measured straight-line distance. A 1 NM section of coast (straight-line) might be 500-1,000 rods of actual coastline when measured with a rod. Coastlines are fractal. Rods reveal the fractal; NM hide it.
Territorial waters extend 12 NM = about 4,419 rods. If you could chain-measure straight out to sea (you cannot), 4,419 rod-lengths would reach the territorial boundary. Maritime law in medieval units.
At the mean high water line. Above it: land law, land surveys, rods. Below it: maritime law, charts, NM. The waterline is the measurement border. Step above it: rods. Step below it: nautical miles. The transition is literal.