A fathom is six feet.
Fathoms to Terameters Converter — ftm to Tm
Convert Fathom (ftm) to Terameter (Tm) using the exact conversion factor (1 fathom = 1.8288e-12 terameter). See the formula, worked examples, and conversion table.
Fathoms to Terameters 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.
Terameter is 1000000000000 meter units.
Result = input x 1.8288 / 1e+12.
Length uses the meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Fathoms to Terameters
Fathom and Terameter both measure length. Specifically: A fathom is six feet, and terameter is 1000000000000 meter units.
Formula
terameters = fathoms × 1.8288e-12
This factor comes from each unit's defined relationship to the category's base unit: 1 fathom equals 1.8288 base units, and 1 terameter equals 1e+12 base units, so dividing one by the other gives the direct fathom-to-terameter factor of 1.8288e-12.
Simple example
1 ftm × 1.8288e-12 = 1.8288e-12 Tm
1 fathom = 1.8288e-12 terameters.
Real-world example
10 ftm × 1.8288e-12 = 1.8288e-11 Tm
10 fathoms = 1.8288e-11 terameters.
Conversion table
| Fathom (ftm) | Terameter (Tm) |
|---|---|
| 1 ftm | 1.8288e-12 Tm |
| 5 ftm | 9.144e-12 Tm |
| 10 ftm | 1.8288e-11 Tm |
| 21.0975 ftm | 3.858311e-11 Tm |
| 42.195 ftm | 7.716622e-11 Tm |
| 100 ftm | 1.8288e-10 Tm |
Reverse conversion: Terameter to Fathom
1.8288e-12 Tm × 546806649200 = 1 ftm
1.8288e-12 terameters = 1 fathom.
fathoms = terameters × 546806649169
For a page dedicated to this direction, see Terameter to Fathom.
Understanding the Fathom (ftm)
A fathom is six feet.
Understanding the Terameter (Tm)
Terameter is 1000000000000 meter units.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many terameters are in 1 fathom?
1 fathom equals 1.8288e-12 terameters, using the exact defined conversion factor rather than an estimate.
How do I convert fathom to terameter?
Multiply the fathom value by 1.8288e-12. The converter above does this instantly to whatever precision you set.
How do I convert terameter back to fathom?
Use the reverse factor: 1 terameter equals 546,806,649,200 fathoms. You can also use the swap control in the converter above to flip the direction instantly.
What is a fathom?
Fathom (ftm) is a unit of length.
What is a terameter?
Terameter (Tm) is a unit of length.
Is the fathom to terameter conversion exact?
Yes. Both fathom and terameter are defined by fixed standards rather than physical artifacts, so the factor of 1.8288e-12 used above is exact to as many digits as you choose to display.