MPH = Knots × 1.15077945
From: | To: |
The Knots to MPH conversion calculates speed in miles per hour from knots. This conversion is essential for aviation, maritime navigation, and meteorology where different speed units are used.
The calculator uses the conversion formula:
Where:
Explanation: One knot equals one nautical mile per hour, and since one nautical mile equals 1.15077945 statute miles, the conversion factor is derived from this relationship.
Details: Accurate speed conversion is crucial for navigation, flight planning, weather reporting, and ensuring safety in transportation where different measurement systems are used.
Tips: Enter speed in knots. The value must be non-negative. The calculator will instantly convert it to miles per hour with precision to two decimal places.
Q1: What is a knot in speed measurement?
A: A knot is a unit of speed equal to one nautical mile per hour, approximately 1.15078 miles per hour or 1.852 kilometers per hour.
Q2: Why are knots used instead of MPH in aviation and maritime?
A: Knots are used because they relate directly to nautical miles, which are based on the Earth's circumference and are more practical for navigation.
Q3: How accurate is the conversion factor?
A: The conversion factor 1.15077945 is precise and based on the international definition of nautical mile as exactly 1,852 meters.
Q4: Can I convert MPH back to knots?
A: Yes, to convert MPH to knots, divide the MPH value by 1.15077945 or multiply by approximately 0.868976.
Q5: Where is this conversion most commonly used?
A: This conversion is essential for pilots, sailors, meteorologists, and anyone working with international transportation or weather data.