Gold purity is measured in karats. Pure gold is known as 24K gold. Other common purities include 22K, 18K, and 14K. The higher the karat value, the more pure the gold is. A Scrap Gold Calculator uses this purity level to determine the actual gold content in the item.
Educate. Empower. Act. The mission of Project WET is to reach children, parents, educators and communities of the world with water education.
