Dekameter to Fathom Converter
Convert Dekameter (dam) to Fathom (ftm) instantly. 1 dam = 5.468066 ftm.
Length Converter
31 units available
1 dam = 5.468066 ftm
Formula:
ftm = dam × 5.4680664917With your value: 1 dam = 5.46806649 ftm
How big is that?
Everyday references on a logarithmic scale, all expressed in dekameter so you can sanity-check the result.
Other Dekameter to Fathom conversions
Dekameter to Fathom Conversion Table
| Dekameter (dam) | Fathom (ftm) |
|---|---|
| 0.5 | 2.734033 |
| 1 | 5.468066 |
| 2 | 10.936133 |
| 5 | 27.340332 |
| 10 | 54.680665 |
| 15 | 82.020997 |
| 20 | 109.36133 |
| 25 | 136.701662 |
| 50 | 273.403325 |
| 100 | 546.806649 |
| 250 | 1,367.016623 |
| 500 | 2,734.033246 |
| 1000 | 5,468.066492 |
Fathom to Dekameter Conversion Table
| Fathom (ftm) | Dekameter (dam) |
|---|---|
| 0.5 | 0.09144 |
| 1 | 0.18288 |
| 2 | 0.36576 |
| 5 | 0.9144 |
| 10 | 1.8288 |
| 15 | 2.7432 |
| 20 | 3.6576 |
| 25 | 4.572 |
| 50 | 9.144 |
| 100 | 18.288 |
| 250 | 45.72 |
| 500 | 91.44 |
| 1000 | 182.88 |
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.
Dekameter (dam)
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
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
How to Convert Dekameter to Fathom
To convert from Dekameter (dam) to Fathom (ftm), multiply the value by 5.4680664917.
Formula: ftm = dam × 5.4680664917
Reverse: dam = ftm × 0.18288
Step-by-Step Example
- Start with your value in Dekameter. For example: 5 dam
- Multiply by the conversion factor: 5 x 5.4680664917
- The result is: 27.340332 ftm
About Dekameter
The dekameter (dam) is a unit of distance and length. One dekameter equals 10 metres. UnitConvertLab converts it against every other length unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.
Common uses: length calculations, engineering and science, education.
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.
Frequently Asked Questions
How many Fathom are in 1 Dekameter?
There are exactly 5.4680664917 Fathom in 1 Dekameter. This means the conversion factor from Dekameter to Fathom is 5.4680664917.
What is the formula to convert Dekameter to Fathom?
The formula to convert Dekameter to Fathom is: ftm = dam × 5.4680664917. For example, to convert 10 Dekameter to Fathom, you would multiply 10 by 5.4680664917.
What is a Dekameter?
The dekameter (dam) is a unit of distance and length. One dekameter equals 10 metres. UnitConvertLab converts it against every other length unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.
What is a Fathom?
The fathom equals 6 feet (1.8288 m) and is the traditional unit for water depth on nautical charts.
What are the common uses of Dekameter?
The Dekameter is commonly used in length calculations, engineering and science, education.
Related Length Conversions
Cite this page
UnitConvertLab. (2026). Dekameter to Fathom converter. UnitConvertLab. Retrieved from https://unitconvertlab.com/convert/dekameter-to-fathom