Exact(53)
Beforehand, the mass of something in kilograms was just a measure of how much stuff was present and how resistant it was to being moved around.
By the 15th century, many bloomeries used low shaft furnaces with water power to drive the bellows, and the bloom, which might weigh over 100 kilograms, was extracted through the top of the shaft.
"The I.E.D. connected with detonator batteries and a small solar panel weighing about 2.45 kilograms was extracted with utmost care from the body of the security personnel," said Dr. Kumar.
Originally, the charge in the crucible weighed about 6 kilograms, but by 1870 it had increased to 30 kilograms, which, with a crucible weight of 10 kilograms, was the maximum a man could be expected to lift from a hot furnace.
Because of a legendarily horrifying incident in which one of the national kilograms was wrested from its casings by a customs agent and exposed to a hostile environment teeming with airborne detritus, not to mention the agent's organic matter, countries are advised to ship their kilograms in diplomatic pouches.
The predicted body weight (in kilograms) was calculated as 0.91 (height [cm] −152.4) + 50 for males or + 45.5 for females.
Similar(7)
(Ten kilograms is about 22 pounds).
Eight kilograms is nearly 18 pounds.
The spokesman said dozens of kilograms were stolen.
Of that, 12,000 kilograms were "removed," the department said.
The other 619 kilograms were discovered during a search of a nearby apartment.
Write better and faster with AI suggestions while staying true to your unique style.
Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com