Fathom to Rod Converter
Convert Fathom (ftm) to Rod (rd) instantly. 1 ftm = 0.363636 rd.
Length Converter
31 units available
1 ftm = 0.363636 rd
Formula:
rd = ftm × 0.3636363636With your value: 1 ftm = 0.36363636 rd
How big is that?
Everyday references on a logarithmic scale, all expressed in fathom so you can sanity-check the result.
Other Fathom to Rod conversions
Fathom to Rod Conversion Table
| Fathom (ftm) | Rod (rd) |
|---|---|
| 0.5 | 0.181818 |
| 1 | 0.363636 |
| 2 | 0.727273 |
| 5 | 1.818182 |
| 10 | 3.636364 |
| 15 | 5.454545 |
| 20 | 7.272727 |
| 25 | 9.090909 |
| 50 | 18.181818 |
| 100 | 36.363636 |
| 250 | 90.909091 |
| 500 | 181.818182 |
| 1000 | 363.636364 |
Rod to Fathom Conversion Table
| Rod (rd) | Fathom (ftm) |
|---|---|
| 0.5 | 1.375 |
| 1 | 2.75 |
| 2 | 5.5 |
| 5 | 13.75 |
| 10 | 27.5 |
| 15 | 41.25 |
| 20 | 55 |
| 25 | 68.75 |
| 50 | 137.5 |
| 100 | 275 |
| 250 | 687.5 |
| 500 | 1,375 |
| 1000 | 2,750 |
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.
Fathom (ftm)
Length
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
Rod (rd)
Length
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 Fathom to Rod
To convert from Fathom (ftm) to Rod (rd), multiply the value by 0.3636363636.
Formula: rd = ftm × 0.3636363636
Reverse: ftm = rd × 2.75
Step-by-Step Example
- Start with your value in Fathom. For example: 5 ftm
- Multiply by the conversion factor: 5 x 0.3636363636
- The result is: 1.818182 rd
About Fathom
The fathom equals 6 feet (1.8288 m) and is the traditional unit for water depth on nautical charts.
Fun Fact: The word comes from the Old English "fæðm", the span of a man's outstretched arms.
Common uses: sounding depth, nautical charts, diving.
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.
Frequently Asked Questions
How many Rod are in 1 Fathom?
There are exactly 0.3636363636 Rod in 1 Fathom. This means the conversion factor from Fathom to Rod is 0.3636363636.
What is the formula to convert Fathom to Rod?
The formula to convert Fathom to Rod is: rd = ftm × 0.3636363636. For example, to convert 10 Fathom to Rod, you would multiply 10 by 0.3636363636.
What is a Fathom?
The fathom equals 6 feet (1.8288 m) and is the traditional unit for water depth on nautical charts.
What is a 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.
What are the common uses of Fathom?
The Fathom is commonly used in sounding depth, nautical charts, diving.
Related Length Conversions
Cite this page
UnitConvertLab. (2026). Fathom to Rod converter. UnitConvertLab. Retrieved from https://unitconvertlab.com/convert/fathom-to-rod