Knots (knot) | Feet per second (ft/s) |
---|---|
0 | 0 |
1 | 1.6878096500826 |
2 | 3.3756193001651 |
3 | 5.0634289502477 |
4 | 6.7512386003303 |
5 | 8.4390482504129 |
6 | 10.126857900495 |
7 | 11.814667550578 |
8 | 13.502477200661 |
9 | 15.190286850743 |
10 | 16.878096500826 |
20 | 33.756193001651 |
30 | 50.634289502477 |
40 | 67.512386003303 |
50 | 84.390482504129 |
60 | 101.26857900495 |
70 | 118.14667550578 |
80 | 135.02477200661 |
90 | 151.90286850743 |
100 | 168.78096500826 |
1000 | 1687.8096500826 |
Here's a breakdown of how to convert between knots and feet per second, including the formulas, examples, and some background information.
Knots and feet per second are both units of speed, but used in different contexts. A knot is primarily used in maritime and aviation contexts to measure speed, while feet per second is a more general unit of speed. The conversion is a fixed ratio, and doesn't depend on base 10 or base 2.
Knots to Feet per Second:
Feet per Second to Knots:
Start with the speed in knots.
Multiply the speed in knots by 1.68781.
Equation:
Example:
Start with the speed in feet per second.
Multiply the speed in feet per second by 0.592484.
Equation:
Example:
Here are some examples of converting speeds commonly encountered in different scenarios:
Speedboat: A speedboat traveling at 40 knots:
Sailboat: A sailboat moving at 8 knots:
Airplane: An airplane landing at 120 knots:
Hurricane: A hurricane with winds at 100 knots:
A brisk walk: Converting a walking speed of 5 feet per second:
See below section for step by step unit conversion with formulas and explanations. Please refer to the table below for a list of all the Feet per second to other unit conversions.
Knots are a common unit of speed, particularly in maritime and aviation contexts. Understanding its definition, origin, and applications is useful in various fields.
A knot is a unit of speed equal to one nautical mile per hour. A nautical mile is defined as the average length of one minute of latitude along a meridian.
The term "knot" has nautical origins predating modern navigation tools. In the days of sail, ships used a device called a "common log" to measure their speed. This consisted of a wooden panel attached to a long rope. The rope had knots tied at regular intervals. The log was tossed overboard, and as the ship moved away, sailors counted the number of knots that unspooled in a specific time.
The number of knots counted in that predetermined time interval was the ship's speed, hence the term "knots."
Nautical miles are used at sea because they are directly related to the earth's coordinates of longitude and latitude. One degree of latitude, which is the angular distance north or south of the equator, is about 60 nautical miles. So a ship traveling one nautical mile north or south changes its latitude by one minute. This makes navigation easier.
While no single person is directly associated with the invention of the knot as a unit, its development is tied to the history of seafaring and navigation. Navigators such as Captain James Cook and others who charted the world's oceans relied on accurate speed measurements using knots.
While the knot is a unit of speed itself, conversion to other units can be useful:
The knot is a practical and historically significant unit of speed, essential for navigation and weather forecasting in maritime and aviation fields. Its continued use reflects its convenience and connection to nautical traditions.
Feet per second (fps) is a unit of speed expressing the distance in feet traveled per second. It's commonly used in various fields, including sports, engineering, and meteorology, to quantify how fast an object is moving.
Feet per second is derived from two fundamental units:
The unit is formed by dividing a distance measured in feet by a time measured in seconds:
Feet per second can be converted to other common units of speed using the following relationships:
While there isn't a specific law or person directly associated with the invention or formalization of feet per second, its usage is deeply ingrained in fields that involve motion and speed measurements.
Here are some common speeds converted to feet per second:
Convert 1 knot to other units | Result |
---|---|
Knots to Metres per second (knot to m/s) | 0.51444424416 |
Knots to Kilometres per hour (knot to km/h) | 1.851999278976 |
Knots to Millimeters per hour (knot to mm/h) | 1851999.278976 |
Knots to Miles per hour (knot to mph) | 1.150779 |
Knots to Feet per second (knot to ft/s) | 1.6878096500826 |
Knots to Feet per minute (knot to ft/min) | 101.2688760604 |
Knots to Inches per hour (knot to in/h) | 72926.425855513 |