quarter (US)
December 8, 2025
The quarter (US) is an old weight unit equal to 25 pounds, useful for understanding historic farm records, trade documents, and converting between old and modern measurements.
The quarter (US) is an old weight unit equal to 25 pounds, useful for understanding historic farm records, trade documents, and converting between old and modern measurements.
Learn what the UK hundredweight is, how heavy it is in pounds and kilograms, where it came from, and how to convert it to other weight units.
The US hundredweight is a unit of weight equal to 100 pounds that helps measure large loads in farming, shipping, and industry.
A metric quintal is a unit of mass equal to 100 kilograms, often used to measure crops, goods and other heavy loads in simple round numbers.
A kiloton metric is a large unit of mass used to measure very heavy things like ships and big loads of goods equal to one million kilograms.
A poundal is an old unit for measuring force that shows how hard something pushes or pulls in the foot pound second system.
Pound-force square second per foot is a way to measure mass in the English engineering system and is equal to the mass unit called a slug.
Learn what the slug unit of mass is, how it compares to kilograms and pounds, and why some engineers still use it today.
A kip is a unit of force that equals one thousand pounds of force and is mainly used by engineers to measure very large loads on buildings and bridges.
A kilopound is a unit used in engineering to measure large forces, equal to one thousand pounds of force.