Marine Calculators
![](https://www.boats.co.nz/articles/wp-content/uploads/2011/05/wind-speed-300x199.jpg)
Wind Speed Converter
This calculator is a wind speed converter that can convert six different speed units at one time. The Beaufort unit is given for a range of wind velocities, which are measured at an altitude of 10 m above plain ground in open surroundings.
![](https://www.boats.co.nz/articles/wp-content/uploads/2011/05/velocity-300x199.jpg)
Velocity Equivalents
![](https://www.boats.co.nz/articles/wp-content/uploads/2011/05/scientific-calculator1-300x249.jpg)
Scientific Calculator
![](https://www.boats.co.nz/articles/wp-content/uploads/2011/05/minutes-seconds-229x300.jpg)
Minutes & Seconds to Decimal convertor for navigation and GPS
Convertor from minutes & seconds to decimal and vice versa. Great for Navigation and GPS.