0.511 ft ≈ 0.0851667 fm. To convert feet to fathoms, divide by 6: 0.511 ÷ 6 = 0.0851667.
How to convert feet to fathoms
fm = ft × 0.16666667
- 1 ft = 0.16666667 fm (and 1 fm = 6 ft).
- Multiply the amount by the factor: 0.511 × 0.16666667 = 0.0851667.
- Answer: 0.511 ft ≈ 0.0851667 fm (rounded to 6 significant figures).
Shortcut: dividing by 6 gives the same result as multiplying by 0.16666667.
Feet to Fathoms table
| Feet (ft) | Fathoms (fm) |
|---|---|
| 0.506 ft | 0.0843333 fm |
| 0.507 ft | 0.0845 fm |
| 0.508 ft | 0.0846667 fm |
| 0.509 ft | 0.0848333 fm |
| 0.51 ft | 0.085 fm |
| 0.511 ft | 0.0851667 fm |
| 0.512 ft | 0.0853333 fm |
| 0.513 ft | 0.0855 fm |
| 0.514 ft | 0.0856667 fm |
| 0.515 ft | 0.0858333 fm |
| 0.516 ft | 0.086 fm |
| ft | fm |
|---|---|
| 1 ft | 0.166667 fm |
| 5 ft | 0.833333 fm |
| 10 ft | 1.6667 fm |
| 50 ft | 8.3333 fm |
| 100 ft | 16.6667 fm |
| 1,000 ft | 166.667 fm |
Good to know
1 inch = 2.54 cm exactly; 1 cm = 10 mm; 1 m = 100 cm; 1 foot = 12 inches = 30.48 cm.