
Light Speed to Centimeters Per Second
Converter 
Convert Centimeters Per Second to Light Speed (cm/s to ls)
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Conversion Table
light speed
to centimeters per second 
ls  cm/s 
1 ls  29979245800 cm/s 
2 ls  59958491600 cm/s 
3 ls  89937737400 cm/s 
4 ls  119916983200 cm/s 
5 ls  149896229000 cm/s 
6 ls  179875474800 cm/s 
7 ls  209854720600 cm/s 
8 ls  239833966400 cm/s 
9 ls  269813212200 cm/s 
10 ls  299792458000 cm/s 
11 ls  329771703800 cm/s 
12 ls  359750949600 cm/s 
13 ls  389730195400 cm/s 
14 ls  419709441200 cm/s 
15 ls  449688687000 cm/s 
16 ls  479667932800 cm/s 
17 ls  509647178600 cm/s 
18 ls  539626424400 cm/s 
19 ls  569605670200 cm/s 
20 ls  599584916000 cm/s 
How to convert 1 light speed (ls) = 29979245800 centimeter per second (cm/s).
Light Speed (ls) is a unit of Speed used in Metric system.
Centimeter Per Second (cm/s) is a unit of Speed used in Metric system. Light Speed
Definition of Light Speed
Light speed, commonly denoted c, is a universal physical constant that is exactly equal to 299,792,458 metres per second (approximately 300,000 kilometres per second; 186,000 miles per second; 671 million miles per hour). It is the speed at which light waves propagate through vacuum, and also the upper limit for the speed at which any form of matter or energy can travel through space. Light speed is an essential parameter in the theories of relativity and electromagnetism, and has relevance beyond the context of light and electromagnetic waves.
How to Convert Light Speed
To convert light speed to other units of speed, we need to multiply or divide by the corresponding conversion factors. For example, to convert light speed to kilometers per hour, we need to multiply by 3,600, since there are 3,600 seconds in one hour. To convert light speed to miles per hour, we need to multiply by 2.2369362920544, since there are 2.2369362920544 miles in one kilometer.
Here are some examples of how to convert light speed to other units of length in the US Standard system and the SI system:
 To convert c to kilometers per hour (km/h), we multiply by 3,600: c x 3,600 = 1,079,252,848.8 km/h
 To convert c to miles per hour (mph), we multiply by 2.2369362920544: c x 2.2369362920544 = 670,616,629.384 mph
 To convert c to feet per second (fps), we multiply by 3.2808398950131, since there are 3.2808398950131 feet in one meter: c x 3.2808398950131 = 983,571,056.43 fps
 To convert c to knots (kn), we multiply by 1.9438444924406, since there are 1.9438444924406 nautical miles in one kilometer: c x 1.9438444924406 = 582,749,918.284 kn
 To convert c to meters per second (m/s), we use the exact value: c = 299,792,458 m/s
 To convert c to meters per minute (m/min), we multiply by 60, since there are 60 seconds in one minute: c x 60 = 17,987,547,480 m/min
Where Light Speed Is Used
Light speed is used in various fields of science and technology where the properties and behavior of light and electromagnetic waves are studied or applied. For example:
 In astronomy and cosmology, light speed is used to measure astronomical distances and time scales, such as lightyears and parsecs. It also determines the observable size and age of the universe and the effects of gravity on light such as gravitational lensing and gravitational redshift.
 In physics and engineering, light speed is used to calculate the energy and momentum of particles and fields using the famous equation E = mc2. It also sets the limit for causality and information transfer in physical systems.
 In communication and navigation, light speed is used to determine the delay and bandwidth of signals transmitted through various media such as optical fibers or radio waves. It also affects the accuracy and precision of measurements based on timeofflight or Doppler effect methods.
History of Light Speed
The concept of light speed has a long history that spans across different cultures and disciplines. Some of the milestones in its development are:
 In ancient times, many philosophers and scientists assumed that light traveled instantaneously or infinitely fast.
 In the late 17th century, Danish astronomer Ole Romer was the first to demonstrate that light had a finite speed by observing the apparent motion of Jupiter’s moon Io. He estimated that light took about 22 minutes to cross the diameter of Earth’s orbit.
 In the early 18th century, English astronomer James Bradley discovered the aberration of starlight caused by Earth’s motion around the Sun. He used this phenomenon to calculate that light traveled about 10 thousand times faster than Earth’s orbital speed.
 In the late 19th century, French physicist Hippolyte Fizeau and American physicist Albert Michelson conducted various experiments using rotating mirrors or interferometers to measure the speed of light more accurately in air or vacuum.
 In the early 20th century, Germanborn physicist Albert Einstein proposed the special theory of relativity, which postulated that light speed was constant and independent of the motion of the source or the observer. He also showed that light speed was the maximum speed for any form of matter or energy in the universe.
 In the late 20th century, various methods and standards were developed to define and measure light speed more precisely and consistently. In 1983, the International System of Units (SI) adopted the exact value of 299,792,458 metres per second as the definition of light speed in vacuum.
Example Conversions of Light Speed to Other Units
Here are some examples of how to convert light speed to other units of speed, using the conversion factors given above:
 To convert c to kilometers per hour, we multiply by 3,600: c x 3,600 = 1,079,252,848.8 km/h
 To convert c to miles per hour, we multiply by 2.2369362920544: c x 2.2369362920544 = 670,616,629.384 mph
 To convert c to feet per second, we multiply by 3.2808398950131: c x 3.2808398950131 = 983,571,056.43 fps
 To convert c to knots, we multiply by 1.9438444924406: c x 1.9438444924406 = 582,749,918.284 kn
 To convert c to meters per second, we use the exact value: c = 299,792,458 m/s
 To convert c to meters per minute, we multiply by 60: c x 60 = 17,987,547,480 m/min
 To convert c to centimeters per second, we multiply by 100: c x 100 = 29,979,245,800 cm/s
Light speed also can be marked as c and speed of light. Centimeters per second: A unit of speed
Centimeters per second (cm/s) 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 seconds. For example, if a snail travels 10 centimeters in 10 seconds, its speed is 1 cm/s.
How to convert centimeters per second
Centimeters per second can be converted to other units of speed or velocity by using simple conversion factors. Here are some common units and their conversion factors:
 Meters per second (m/s): To convert from cm/s to m/s, divide by 100. To convert from m/s to cm/s, multiply by 100. For example, 1 cm/s is equal to 0.01 m/s, and 10 m/s is equal to 1000 cm/s.
 Kilometers per hour (km/h): To convert from cm/s to km/h, multiply by 0.036. To convert from km/h to cm/s, divide by 0.036. For example, 1 cm/s is equal to 0.036 km/h, and 50 km/h is equal to 1388.89 cm/s.
 Miles per hour (mph): To convert from cm/s to mph, multiply by 0.0223694. To convert from mph to cm/s, divide by 0.0223694. For example, 1 cm/s is equal to 0.0223694 mph, and 30 mph is equal to 1341.12 cm/s.
 Knots (kn): To convert from cm/s to kn, multiply by 0.0194384. To convert from kn to cm/s, divide by 0.0194384. For example, 1 cm/s is equal to 0.0194384 kn, and 15 kn is equal to 771.61 cm/s.
 Feet per second (ft/s): To convert from cm/s to ft/s, multiply by 0.0328084. To convert from ft/s to cm/s, divide by 0.0328084. For example, 1 cm/s is equal to 0.0328084 ft/s, and 40 ft/s is equal to 1219.2 cm/s.
 Miles per second (mi/s): To convert from cm/s to mi/s, multiply by 0.00000621371. To convert from mi/s to cm/s, divide by 0.00000621371. For example, 1 cm/s is equal to 0.00000621371 mi/s, and 1 mi/s is equal to 160934 cm/s.
Where centimeters per second are used
Centimeters per second are mainly used in biology and medicine to measure the speed or velocity of small organisms and processes.
For example, the average speed of a common snail is about 1 cm/s.
The average speed of blood flow in capillaries is about 0.5 cm/s.
The average speed of nerve impulses in the human body is about 100 cm/s.
Definition of centimeters per second
According to the SI definition, one centimeter per second is the speed of a body that covers a distance of one centimeter in a time of one second.
Mathematically, it can be expressed as:
v = s / t
where v is the speed or velocity in centimeters per second, s is the distance traveled in centimeters, and t is the time taken in seconds.
History of centimeters per second
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 meter in the late 18th century as one hundredth of a meter.
The second was originally defined in terms of the Earth’s rotation as one eightysix thousand four hundredth of a mean solar day.
The combination of these two units resulted in the centimeter per second as a unit of speed or velocity.
The centimeter per second was officially adopted as part of the SI system in 1960.
Example conversions of centimeters per second to other units
Here are some examples of converting centimeters per second to other units of speed or velocity:
 1 cm/s = 0.01 m/s = 0.036 km/h = 0.0223694 mph = 0.0194384 kn = 0.0328084 ft/s = 0.00000621371 mi/s
 2 cm/s = 0.02 m/s = 0.072 km/h = 0.0447388 mph = 0.0388768 kn = 0.0656168 ft/s = 0.0000124274 mi/s
 5 cm/s = 0.05 m/s = 0.18 km/h = 0.111847 mph = 0.097192 kn = 0.164042 ft/s = 0.0000310685 mi/s
 10 cm/s = 0.1 m/s = 0.36 km/h = 0.223694 mph = 0.194384 kn = 0.328084 ft/s = 0.0000621371 mi/s
 20 cm/s = 0.2 m/s = 0.72 km/h = 0.447388 mph = 0.388769 kn = 0.656169 ft/s = 0.000124274 mi/s
 50 cm/s = 0.5 m/s = 1.8 km/h = 1.11847 mph = 0.97192 kn = 1.64042 ft/s = 0.000310685 mi/s
 100 cm/s = 1 m/s = 3.6 km/h = 2.23694 mph = 1.94384 kn = 3.28084 ft/s = 0.000621371 mi/s
Centimeters per second also can be marked as cm/s and Centimetres per second (alternative British English spelling in UK).
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