4.2 ft = 0.7 fm. To convert feet to fathoms, divide by 6: 4.2 ÷ 6 = 0.7.
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: 4.2 × 0.16666667 = 0.7.
- Answer: 4.2 ft = 0.7 fm.
Shortcut: dividing by 6 gives the same result as multiplying by 0.16666667.
Feet to Fathoms table
| Feet (ft) | Fathoms (fm) |
|---|---|
| 3.7 ft | 0.616667 fm |
| 3.8 ft | 0.633333 fm |
| 3.9 ft | 0.65 fm |
| 4 ft | 0.666667 fm |
| 4.1 ft | 0.683333 fm |
| 4.2 ft | 0.7 fm |
| 4.3 ft | 0.716667 fm |
| 4.4 ft | 0.733333 fm |
| 4.5 ft | 0.75 fm |
| 4.6 ft | 0.766667 fm |
| 4.7 ft | 0.783333 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.