What is the force of one kilogram of mass?
The depre cated unit kilogram-force (kgf) or kilopond (kp) is the force exerted by one kilogram of mass in standard Earth gravity (defined as exactly 9.80665 m/s²). One kilogram-force is equal to exactly 9.80665 newtons.
How much is 40 pounds in kilograms?
40 pounds to kilograms = 18.14369 kilograms. 50 pounds to kilograms = 22.67962 kilograms. 75 pounds to kilograms = 34.01943 kilograms. 100 pounds to kilograms = 45.35924 kilograms. ››. Want other units? You can do the reverse unit conversion from kilograms to pounds, or enter any two units below:
What is the pound force?
The pound-force is a non-SI unit of force or weight (properly abbreviated "lbf" or "lbf"). The pound-force is equal to a mass of one pound multiplied by the standard acceleration due to gravity on Earth (which is defined as exactly 9.806 65 m/s², or exactly 196,133/6096 ft/s², or approximately 32.174 05 ft/s²).
What is the unit of mass of kilograms?
Definition: A kilogram (symbol: kg) is the base unit of mass in the International System of Units (SI). It is currently defined based on the fixed numerical value of the Planck constant, h, which is equal to 6.62607015 × 10 -34 in the units of J·s, or kg·m 2 ·s -1. The meter and the second are defined in terms of c, the speed of light, ...
When was the kilogram invented?
A new definition of the kilogram was introduced in 2019 based on Planck's constant and changes to the definition of the second.
How many ounces are in a pound?
The avoirdupois pound is equivalent to 16 avoirdupois ounces. History/origin: The pound descended from the Roman libra, and numerous different definitions of the pound were used throughout history prior to the international avoirdupois pound that is widely used today. The avoirdupois system is a system that was commonly used in the 13 th century.
What is the definition of a kilogram?
Prior to the current definition, the kilogram was defined as being equal to the mass of a physical prototype, a cylinder made of a platinum-iridium alloy, which was an imperfect measure.
Where did the word "kilogram" come from?
History/origin: The name kilogram was derived from the French "kilogramme," which in turn came from adding Greek terminology meaning "a thousand," before the Late Latin term "gramma" meaning "a small weight.". Unlike the other SI base units, the kilogram is the only SI base unit with an SI prefix.
Where is the kilogram used?
Current use: As a base unit of SI, the kilogram is used globally in nearly all fields and applications, with the exception of countries like the United States, where the kilogram is used in many areas, at least to some extent (such as science, industry, government, and the military) but typically not in everyday applications.