Question

If the wind is blowing from the west at 17 knots, what is its speed in miles per hour? In kilometers per hour?

Answer 1

Since this is not my area of expertise, I searched Google under the key words "knots mph kph" to get this:

http://www.google.com/search?client=safari&rls=en&q=knots+mph+kph&ie=UTF-8&oe=UTF-8

In the future, you can find the information you desire more quickly, if you use appropriate key words to do your own search. Also see http://hanlib.sou.edu/searchtools/.