Worked example
12 ft = 3.6576 m, because 1 ft = 0.3048 m.
Conversion table
| From | m | mm | ft | in | nmi | km |
|---|---|---|---|---|---|---|
| 1 m | 1 | 1000 | 3.28084 | 39.3701 | 0.000539957 | 0.001 |
| 1 mm | 0.001 | 1 | 0.00328084 | 0.0393701 | 5.3996 × 10⁻⁷ | 1 × 10⁻⁶ |
| 1 ft | 0.3048 | 304.8 | 1 | 12 | 0.000164579 | 0.0003048 |
| 1 in | 0.0254 | 25.4 | 0.0833333 | 1 | 1.3715 × 10⁻⁵ | 2.54 × 10⁻⁵ |
| 1 nmi | 1852 | 1852000 | 6076.12 | 72913.4 | 1 | 1.852 |
| 1 km | 1000 | 1000000 | 3280.84 | 39370.1 | 0.539957 | 1 |
Every unit on this page
| Unit | Name | In m |
|---|---|---|
| m | metre | 1 |
| mm | millimetre | 0.001 |
| µm | micrometre (micron) | 1 × 10⁻⁶ |
| cm | centimetre | 0.01 |
| km | kilometre | 1000 |
| nmi | nautical mile | 1852 |
| in | inch | 0.0254 |
| ft | foot | 0.3048 |
| yd | yard | 0.9144 |
| mi | statute mile | 1609.34 |
| fathom | fathom | 1.8288 |
| shackle | shackle of anchor cable (27.5 m, ISO 1704) | 27.5 |
FAQ
How long is a nautical mile?
Exactly 1852 m, by international agreement.
How long is a shackle of anchor cable?
The converter uses 27.5 m, the ISO 1704 length. Some older cable was made to other lengths, so check the certificate for a specific ship.