A rod is 16.5 feet.
Rods to Fathoms Converter — rd to ftm
Convert Rod (rd) to Fathom (ftm) using the exact conversion factor (1 rod = 2.75 fathom). See the formula, worked examples, and conversion table.
Rods to Fathoms converter
Converter
Length Converter
Convert SI, imperial, US customary, astronomical, scientific, and historical length units.
Context values
Some unit families need one extra value for a physically accurate result.
A fathom is six feet.
Result = input x 5.0292 / 1.8288.
Length uses the meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Rods to Fathoms
Rod and Fathom both measure length. Specifically: A rod is 16.5 feet, and a fathom is six feet.
Formula
fathoms = rods × 2.75
This factor comes from each unit's defined relationship to the category's base unit: 1 rod equals 5.0292 base units, and 1 fathom equals 1.8288 base units, so dividing one by the other gives the direct rod-to-fathom factor of 2.75.
Simple example
1 rd × 2.75 = 2.75 ftm
1 rod = 2.75 fathoms.
Real-world example
10 rd × 2.75 = 27.5 ftm
10 rods = 27.5 fathoms.
Conversion table
| Rod (rd) | Fathom (ftm) |
|---|---|
| 1 rd | 2.75 ftm |
| 5 rd | 13.75 ftm |
| 10 rd | 27.5 ftm |
| 21.0975 rd | 58.018125 ftm |
| 42.195 rd | 116.03625 ftm |
| 100 rd | 275 ftm |
Reverse conversion: Fathom to Rod
2.75 ftm × 0.3636363636 = 1 rd
2.75 fathoms = 1 rod.
rods = fathoms × 0.363636363636
For a page dedicated to this direction, see Fathom to Rod.
Understanding the Rod (rd)
A rod is 16.5 feet.
Understanding the Fathom (ftm)
A fathom is six feet.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many fathoms are in 1 rod?
1 rod equals 2.75 fathoms, using the exact defined conversion factor rather than an estimate.
How do I convert rod to fathom?
Multiply the rod value by 2.75. The converter above does this instantly to whatever precision you set.
How do I convert fathom back to rod?
Use the reverse factor: 1 fathom equals 0.3636363636 rods. You can also use the swap control in the converter above to flip the direction instantly.
What is a rod?
Rod (rd) is a unit of length.
What is a fathom?
Fathom (ftm) is a unit of length.
Is the rod to fathom conversion exact?
Yes. Both rod and fathom are defined by fixed standards rather than physical artifacts, so the factor of 2.75 used above is exact to as many digits as you choose to display.