Knot
A knot is a unit of speed, abbreviated kt or kn. It is a non-SI unit accepted for use with the SI. It is used around the world for maritime and aviation purposes.
Metric
- Kilometre per second5.14×10⁻⁴
- Metre per second0.51
- Kilometre per hour1.85
- Millimetre per second (mm/s)514.44
- Micrometre per second (µm/s)514,444.44
British/American
- Mile per second3.2×10⁻⁴
- Mile per hour (mph)1.15
- Foot per second1.69
Nautical
- Knot1
Other
- Speed of light1.72×10⁻⁹
- Speed of sound1.5×10⁻³
- A brisk walk0.3
- Speed of a common snail514.44