Convert Quarter (US) to Grain

The quarter originated in medieval England as a unit of mass for measuring grain and other agricultural products. It was defined as 1/4 of a hundredweight, or 25 pounds. The term "quarter" comes from the Latin word "quartarius", meaning "fourth part". The quarter was used in trade and agriculture for centuries and was adopted in the United States as part of the U.S. customary system.

The grain traces its origins to ancient times and was originally based on the weight of a single grain of cereal, such as barley or wheat, which was used as a reference for small weight measurements. The term "grain" comes from the Latin "granum", meaning "grain" or "seed." The grain was used as a standard measure in ancient civilizations, including the Romans, and its use continued throughout medieval Europe. Over time, it was standardized in the 14th century as part of the Avoirdupois system and has remained in use for very precise measurements in modern times, especially in scientific fields, medicine, and the firearm industry.