⚓Knots to MPH Converter

Convert knots to miles per hour and miles per hour to knots.

Knots (kn)

Miles per hour (mph)

1 knot = 1.15078 mph

About Knots to MPH Converter

Convert between knots and miles per hour. One knot equals approximately 1.15078 miles per hour. Knots are the standard unit of speed in aviation and maritime navigation, while mph is commonly used for road travel in the US and UK.

How to Use Knots to MPH Converter

1
Enter your value
Type a speed in either the knots or mph field.
2
See the result
The conversion appears instantly in the other field.
3
Copy the result
Click copy to use the converted speed.

Common Use Cases

Sailing and maritime navigation speed conversion
Aviation airspeed conversion
Interpreting weather buoy and station data
Comparing vessel speed ratings across systems

Frequently Asked Questions

How many mph is one knot?

One knot equals approximately 1.15078 miles per hour.

How many knots is 100 mph?

100 mph equals approximately 86.9 knots.

Why do ships and aircraft use knots?

One knot equals one nautical mile per hour, and one nautical mile equals one arcminute of latitude. This makes navigation and chart calculations much simpler.