Length and Area
ftmtoin
Convert fathoms (ftm) to inches (in).
Factor1 ftm = 72 in
Converter
ftm
Accepts numbers or expressions, e.g. 150 + 14.7
Result
in
Rendered to 6 significant figures.
Formula
Formula
in = ftm × 72
Multiply any value in fathoms by 72 to obtain the value in inches.
Worked example
Convert 10 ftm to in.
- 01Start with 10 ftm.
- 02Multiply by the conversion factor: 10 × 72 = 720 in.
Result10 ftm = 720 in
Conversion table
| ftm | in |
|---|---|
| 1 | 72 |
| 2 | 144 |
| 5 | 360 |
| 10 | 720 |
| 20 | 1440 |
| 50 | 3600 |
| 100 | 7200 |
| 200 | 14400 |
| 500 | 36000 |
| 1000 | 72000 |
Reference values rounded to 5 significant figures for display.
FAQ
What is the conversion factor from ftm to in?
1 ftm equals 72 in. To convert, multiply the value in fathoms by 72.
How do I convert 1 ftm to in?
1 ftm = 72 in. For any value, multiply by 72.
How do I convert in back to ftm?
Divide by the same factor — or equivalently, multiply by 0.01388889. So 1 in = 0.0138889 ftm.
When would I need to convert fathom to inch?
Length conversions appear in piping, layout, and mechanical drawings — particularly when reconciling imperial fittings or instrument lengths with metric plant drawings.
Is the conversion exact?
The factor shown is precise to at least 7 significant figures. For most process-engineering work this is far better than instrument accuracy. For metrology or trade applications, refer to the relevant national standard (NIST, BIPM, ISO 80000).