To convert knots to miles per hour, you can use the following conversion factor:
1 knot = 1.15078 miles per hour
To convert a given value in knots to miles per hour, multiply the value by 1.15078. For example, if you have a speed of 20 knots, you would calculate it as:
20 knots * 1.15078 miles per hour = 23.0156 miles per hour
Therefore, 20 knots is approximately equal to 23.02 miles per hour.