Pound (mass) - Wikipedia
The pound or pound-mass is a unit of mass used in both the British imperial and United States customary systems of measurement. Various definitions have been used; the most common today is the international avoirdupois pound, which is legally defined as exactly 0.453 592 37 kilograms, and which is divided into 16 avoirdupois ounces. [1]
mechanical engineering - Pound-force (lbf) vs Pound-mass (lbm ...
2015年8月25日 · 1 pound mass is that mass that weighs one pound in 1 g gravity. For most practical cases, a pound mass and a pound weight define the same amount of stuff on the surface of the earth. To define a pound mass we rearrange Newton's law of F = mA to. m = F/A. then plug in the particulars to get pound mass: 1 pound mass = (1 pound force)/(32.174 ft/s²)
磅 - 维基百科，自由的百科全书
用於貨幣的重量單位，中文用“鎊”表示，英文也是pound。中世纪英國的一鎊貨幣的確是採用一磅重的銀製成，但現時銀價與銀的重量比例已經變成一種可以自由浮動的關係。
Pound (mass) - Simple English Wikipedia, the free encyclopedia
A pound (usually abbreviated as lb, plural lbs) is a unit used to measure the mass of something. It is used in the imperial system and the United States customary system. It is related to the Pound (force). There are a number of different definitions. The most commonly used definition today is the international avoirdupois pound.
Difference between Pound-Force and Pound-Mass
2013年12月23日 · To differentiate between the two, I have developed the following table. It’s not as complicated as you think. Every time you see the unit of pounds, it may or may not have the acceleration of gravity included in it: W = mg. Unfortunately, you simply have to know whether you are dealing in mass or weight.
Pound | mass, force, gravity | Britannica - Encyclopedia Britannica
2024年11月17日 · Pound, unit of avoirdupois weight, equal to 16 ounces, 7,000 grains, or 0.45359237 kg, and of troy and apothecaries’ weight, equal to 12 ounces, 5,760 grains, or 0.3732417216 kg. The Roman ancestor of the modern pound, the …
Pound (mass) - wikidoc
The pound or pound-mass (abbreviation: lb, or sometimes in the United States: #) is a unit of mass used in the imperial, United States customary and other systems of measurement. A number of different definitions have been used, the most common today being the international avoirdupois pound of exactly 453.59237 grams .
Pound - Formula, Differences, Usages, Examples
2024年7月17日 · The pound, as a unit of mass, is defined as exactly 0.453592 kilograms. Commonly used in the United States and other countries for measuring body weight, groceries, and other items, it is central to everyday and commercial transactions.
Pound (mass) | Units of Measurement Wiki | Fandom
The pound or pound-mass (abbreviations: lb, lb m, lbm, ℔) is a unit of mass used in the imperial, United States customary and other systems of measurement. A number of different definitions have been used, the most common today being the international avoirdupois pound which is legally defined as exactly 0.45359237 kilograms .
Pound (mass) - Citizendium
The pound or pound-mass (abbreviation: lb, lbm and sometimes #) is a measurement unit of mass used in the United States customary, Imperial, and other systems of measurement. The word pound is derived from the Latin phrase libra pondo for 'a pound weight' which is also the origin of the abbreviation lb .