1 nautical knot equates to 1 852 kph 1 150 mph

1 Nautical Knot: The Speed of the Seas

When it comes to ocean travel, there is a peculiar connection between speed and distance. In order to accurately measure this correlation, a unit known as the “Nautical Knot” was introduced. Originating from the days of sailing ships, this measure has withstood the test of time and remains the standard unit for speed on the seas.

Understanding the Nautical Knot

A Nautical Knot, commonly referred to as just a “knot,” is a unit of speed used primarily in the marine industry. Encompassing both practical and historical significance, knots have earned their spot as an essential part of maritime navigation. One nautical knot can be defined as 1.852 kilometers per hour (1.150 miles per hour) on land.

The Origins of the Knot

The origin of the word “knot” as a measure of speed can be traced back to the early days of sailing ships. Mariners at that time needed a way to measure their speed while sailing through the vast ocean networks and to calculate the distance covered over a specific time. To achieve this, early sailors used a device known as a “common log.”

The common log consisted of a log line with knots tied at equal intervals. The rope was thrown overboard from the stern of the ship, and sailors would time how quickly the knots passed through their hands as the ship moved forward. By measuring the number of knots that passed through their hands in a given time frame, mariners could calculate the speed of their vessel.

The Application of Knots Today

While maritime technology has advanced significantly throughout the years, the use of knots to measure speed has remained constant. Even with the advent of GPS and radar, knots are still widely used and appreciated by sailors and modern navigation systems. The nautical knot provides a reliable and standardized means of measuring speed on the open seas.

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Source: Marine Insight