Convert Knots to Centimeters Per Minute (kt to cm/min) ▶
How to convert
1 centimeter per minute (cm/min) = 0.000323974 knot (kt). Centimeter Per Minute (cm/min) is a unit of Speed used in Metric system. Knot (kt) is a unit of Speed used in Standard system.
Centimeters per minute: A unit of speed
Centimeters per minute (cm/min) is a unit of speed or velocity in the International System of Units (SI). It measures how fast an object is moving by calculating the distance traveled in centimeters divided by the time taken in minutes. For example, if a snail travels 6 centimeters in 3 minutes, its speed is 2 cm/min.
How to convert centimeters per minute
Centimeters per minute can be converted to other units of speed or velocity by using simple conversion factors. Here are some common units and their conversion factors:
Where centimeters per minute are used
Centimeters per minute are mainly used in science and engineering to measure the flow rate of fluids and gases.
For example, the standard cubic centimeter per minute (SCCM) is a unit used to quantify the flow rate of a fluid at standard conditions of temperature and pressure.
The flow rate of blood through a capillary is often measured in centimeters per minute.
The flow rate of air through a wind tunnel is often measured in centimeters per second, which is equivalent to centimeters per minute divided by 60.
Definition of centimeters per minute
According to the SI definition, one centimeter per minute is the speed of a body that covers a distance of one centimeter in a time of one minute.
Mathematically, it can be expressed as:
where v is the speed or velocity in centimeters per minute, s is the distance traveled in centimeters, and t is the time taken in minutes.
History of centimeters per minute
The concept of speed or velocity has been studied since ancient times by philosophers and scientists such as Aristotle, Galileo, Newton, etc.
The centimeter was originally derived from the French centimeter which was defined as one hundredth of a meter.
The meter was originally derived from the French meter which was defined as one ten-millionth of the distance from the equator to the North Pole.
The minute was originally derived from the Babylonian sexagesimal system which divided an hour into sixty minutes.
The combination of these two units resulted in the centimeter per minute as a unit of speed or velocity.
The centimeter per minute was officially adopted as part of the SI system in 1960.
Example conversions of centimeters per minute to other units
Here are some examples of converting centimeters per minute to other units of speed or velocity:
1 cm/min = 0.000166667 m/s = 0.0006 km/h = 0.000372823 mph = 0.000323974 kn = 0.0328084 ft/min = 0.393701 in/min
Definition of Knots
Knots, commonly denoted kn, is a unit of speed equal to one nautical mile per hour, exactly 1.852 km/h (approximately 1.151 mph or 0.514 m/s). It is the standard unit of speed used in meteorology, and in maritime and air navigation. A vessel travelling at 1 kn along a meridian travels approximately one minute of geographic latitude in one hour.
How to Convert Knots
To convert knots to other units of speed, we need to multiply or divide by the corresponding conversion factors. For example, to convert knots to kilometers per hour, we need to multiply by 1.852, since there are 1.852 kilometers in one nautical mile. To convert knots to meters per second, we need to divide by 3.6, since there are 3.6 seconds in one hour.
Here are some examples of how to convert knots to other units of length in the US Standard system and the SI system:
Where Knots Are Used
Knots are used in various fields of science and technology where the speed and direction of movement of objects or phenomena are measured or applied in relation to water or air currents. For example:
History of Knots
The origin of knots as a unit of speed can be traced back to the ancient practice of measuring the speed of ships by using a device called a chip log or log-line. This device consisted of a wooden board attached to a rope with knots tied at regular intervals along its length. The board was thrown overboard from the stern of the ship and allowed to drag behind it while the rope was let out for a fixed amount of time (usually measured by a sandglass). The number of knots that passed over the rail of the ship during that time indicated the speed of the ship in nautical miles per hour.
The first recorded use of this method was by the Phoenicians around the second millennium BCE. The device was later improved and standardized by various civilizations such as the Greeks, Romans, Arabs, Vikings, Chinese, and Europeans. The length of the nautical mile and the spacing of the knots varied from place to place and from time to time until they were fixed by international agreement in the late nineteenth century.
The term knot was derived from the Old English word cnotta meaning “a knot”. It was first used as a unit of speed by English sailors in the early seventeenth century.
Example Conversions of Knots to Other Units
Here are some examples of how to convert knots to other units of speed, using the conversion factors given above:
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