Speed Formula:
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Nautical miles speed, measured in knots, is the standard unit of speed used in maritime and aviation navigation. One knot equals one nautical mile per hour.
The calculator uses the simple formula:
Where:
Explanation: The formula calculates speed by dividing the distance traveled by the time taken.
Details: Accurate speed calculation is crucial for navigation, fuel consumption estimation, and voyage planning in maritime and aviation operations.
Tips: Enter distance in nautical miles and time in hours. Both values must be positive numbers.
Q1: What's the difference between knots and mph?
A: 1 knot = 1.15078 mph. Knots are based on nautical miles (1 NM = 1 minute of latitude), while mph are based on statute miles.
Q2: Why use nautical miles instead of statute miles?
A: Nautical miles are directly related to latitude/longitude coordinates, making them more practical for navigation.
Q3: How accurate should my inputs be?
A: For precise navigation, use at least 2 decimal places for both distance and time.
Q4: Can I use this for air speed calculations?
A: Yes, this calculates ground speed. For air speed, you'd need to account for wind speed and direction.
Q5: What's a typical cruising speed for ships?
A: Most cargo ships cruise at 12-20 knots, while high-speed ferries may reach 30-40 knots.