Weather Tutorials & Teaching Aids:

Interpreting a synoptic weather chart:

Wind Speeds

How to: Convert Knots to Miles per hour

1 knot (kt) = 1.15077945 miles per hour (mph)

The calculation therefore is: Speed in knots, multiplied by 1.15 = MPH

For example: 20 knots x 1.15 = 23 MPH