

Convert Feet Per Second to Kilometers Per Day (fps to km/day) ▶ Conversion Table
How to convert1 kilometer per day (km/day) = 0.037972684 foot per second (fps). Kilometer Per Day (km/day) is a unit of Speed used in Metric system. Foot Per Second (fps) is a unit of Speed used in Standard system. Kilometers Per DayDefinition of Kilometers Per DayKilometers per day (km/d) is a unit of speed that measures how fast something is moving in terms of kilometers per unit of time. It is a metric unit that is derived from the base unit of length, the kilometer, and the base unit of time, the day. It is rarely used however, as the units of kilometers per hour and meters per second are considered sufficient for most situations. One kilometer per day is equal to 0.011574074074074 meters per second, or 0.041666666666667 kilometers per hour. It can also be converted to other units of speed, such as miles per hour, feet per second, or knots, by using appropriate conversion factors. How to Convert Kilometers Per DayTo convert kilometers per day to other units of speed, we need to multiply or divide by the corresponding conversion factors. For example, to convert kilometers per day to miles per hour, we need to multiply by 0.0254, since there are 0.0254 miles in one kilometer. To convert kilometers per day to meters per second, we need to multiply by 0.011574074074074, since there are 0.011574074074074 meters in one kilometer. Here are some examples of how to convert kilometers per day to other units of length in the US Standard system and the SI system:
Where Kilometers Per Day Are UsedKilometers per day are mainly used for measuring the average speed or distance traveled by an object or phenomenon over a period of time that is measured in days or longer. They are often used in fields such as travel, fitness, sports, and geography, where the speed or distance traveled by an object or phenomenon is measured in terms of kilometers per unit of time. For example, a person may travel an average of 100 km/d on a road trip across a country, which means that they cover an average distance of 100 kilometers in one day. A runner may run an average of 5 km/d as part of their training routine, which means that they run a distance of 5 kilometers in one day. A planet may have an orbital velocity of thousands of kilometers per day, which means that it covers thousands of kilometers along its orbit in one day. Kilometers per day are also used in some other fields where the speed or distance traveled by an object or phenomenon is measured in terms of kilometers per unit of time. History of Kilometers Per DayThe origin of kilometers per day as a unit of speed can be traced back to the development of the metric system and the kilometer as a unit of length in the late eighteenth century. The kilometer was defined as one thousand meters based on the French standard meter. The term kilometer first appeared in English in 1810, but it was not until later in the midlate 19 th century that the use of kilometers per day became more common; before that, other units such as miles per day or leagues per day were preferred for expressing speed. Kilometers per day have been used ever since as a standard unit of speed for measuring the average speed or distance traveled by an object or phenomenon over a period of time that is measured in days or longer. They have also been adopted by some international organizations and conventions, such as the International System of Units and the International Astronomical Union. Example Conversions of Kilometers Per Day to Other UnitsHere are some examples of how to convert kilometers per day to other units of speed, using the conversion factors given above:
Feet per second: A unit of speedFeet per second (ft/s) is a unit of speed or velocity in the US customary and imperial systems. It measures how fast an object is moving by calculating the distance traveled in feet divided by the time taken in seconds. For example, if a person walks 10 feet in 2 seconds, their speed is 5 ft/s. How to convert feet per secondFeet 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:
Where feet per second are usedFeet per second are mainly used in engineering and aviation to measure the speed or velocity of machines and aircrafts. For example, the speed of sound in air at sea level is about 343 m/s or about 1125 ft/s. The maximum speed of a Boeing 747 jet airliner is about 988 km/h or about 2717 ft/s. The average speed of a bullet fired from a handgun is about 1200 ft/s. Definition of feet per secondAccording to the US customary and imperial systems definition, one foot per second is the speed of a body that covers a distance of one foot in a time of one second. Mathematically, it can be expressed as:
where v is the speed or velocity in feet per second, s is the distance traveled in feet, and t is the time taken in seconds. History of feet per secondThe concept of speed or velocity has been studied since ancient times by philosophers and scientists such as Aristotle, Galileo, Newton, etc. The foot was originally derived from the Roman foot which was defined as one third of a yard or about 11.65 inches. 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 foot per second as a unit of speed or velocity. The foot per second was officially adopted as part of the US customary and imperial systems in the late 18th century. Example conversions of feet per second to other unitsHere are some examples of converting feet per second to other units of speed or velocity: 1 ft/s = 0.3048 m/s = 1.09728 km/h = 0.681818 mph = 0.592484 kn = 12 in/s = 0.000189394 mi/s Español Russian Français 
Kilometers Per Day to Knots Kilometers Per Day to Kilometers Per Hour Kilometers Per Day to Mach Kilometers Per Day to Miles Per Second Kilometers Per Day to Miles Per Hour Feet Per Second to Centimeters Per Second Feet Per Second to Knots Feet Per Second to Kilometers Per Hour Feet Per Second to Mach Feet Per Second to Miles Per Minute Feet Per Second to Miles Per Second Feet Per Second to Miles Per Hour Feet Per Second to Meters Per Second Kilometers Per Second to Kilometers Per Hour Knots to Kilometers Per Hour Knots to Miles Per Hour Kilometers Per Hour to Kilometers Per Second Kilometers Per Hour to Knots Kilometers Per Hour to Light Speed Kilometers Per Hour to Mach Kilometers Per Hour to Miles Per Second Kilometers Per Hour to Miles Per Hour Kilometers Per Hour to Meters Per Second Light Speed to Kilometers Per Hour Light Speed to Miles Per Hour Mach to Kilometers Per Hour Mach to Miles Per Second Mach to Miles Per Hour Miles Per Second to Kilometers Per Hour Miles Per Second to Mach Miles Per Hour to Knots Miles Per Hour to Kilometers Per Hour Miles Per Hour to Light Speed Miles Per Hour to Mach Miles Per Hour to Meters Per Second Meters Per Second to Kilometers Per Hour Meters Per Second to Miles Per Hour 
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