18 ft = 0.00296242 nmi. To convert feet to nautical miles, multiply by 0.00016457883: 18 × 0.00016457883 = 0.00296242.
How to convert feet to nautical miles
nmi = ft × 0.00016457883
- 1 ft = 0.00016457883 nmi (and 1 nmi = 6,076.1155 ft).
- Multiply the amount by the factor: 18 × 0.00016457883 = 0.00296242.
- Answer: 18 ft = 0.00296242 nmi.
Feet to Nautical Miles table
| Feet (ft) | Nautical Miles (nmi) |
|---|---|
| 13 ft | 0.00213952 nmi |
| 14 ft | 0.0023041 nmi |
| 15 ft | 0.00246868 nmi |
| 16 ft | 0.00263326 nmi |
| 17 ft | 0.00279784 nmi |
| 18 ft | 0.00296242 nmi |
| 19 ft | 0.003127 nmi |
| 20 ft | 0.00329158 nmi |
| 21 ft | 0.00345616 nmi |
| 22 ft | 0.00362073 nmi |
| 23 ft | 0.00378531 nmi |
| ft | nmi |
|---|---|
| 1 ft | 0.000164579 nmi |
| 5 ft | 0.000822894 nmi |
| 10 ft | 0.00164579 nmi |
| 50 ft | 0.00822894 nmi |
| 100 ft | 0.0164579 nmi |
| 1,000 ft | 0.164579 nmi |
Good to know
1 inch = 2.54 cm exactly; 1 cm = 10 mm; 1 m = 100 cm; 1 foot = 12 inches = 30.48 cm.