Convert pennyweight to gigagram
Please provide values below to convert pennyweight [pwt] to gigagram [Gg], or Convert gigagram to pennyweight.
How to Convert Pennyweight to Gigagram
1 pwt = 1.55517384e-09 Gg
Example: convert 15 pwt to Gg:
15 pwt = 15 × 1.55517384e-09 Gg = 2.33276076e-08 Gg
Pennyweight to Gigagram Conversion Table
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Pennyweight
The pennyweight (pwt) is a unit of weight traditionally used in measuring precious metals and gemstones, equivalent to 1/20 of a troy ounce or 1.555 grams.
History/Origin
Originating in the medieval period, the pennyweight was used in the troy weight system for weighing gold and silver, especially in the jewelry and precious metals industries. Its use has persisted in certain regions and industries for historical and practical reasons.
Current Use
Today, the pennyweight is primarily used in the jewelry trade and precious metals markets to specify weights of gold, silver, and gemstones, especially in the United States and in contexts where precise measurement of small quantities is required.
Gigagram
A gigagram (Gg) is a unit of mass equal to one billion grams or one million kilograms.
History/Origin
The gigagram is part of the metric system, introduced as a standard unit for large masses in scientific and industrial contexts, with its usage becoming more common in the 20th century as measurements for large quantities expanded.
Current Use
Gigagrams are used in fields such as engineering, environmental science, and industry to quantify large masses, including biomass, emissions, and bulk materials.