Convert tonne to pennyweight
Please provide values below to convert tonne [t] to pennyweight [pwt], or Convert pennyweight to tonne.
How to Convert Tonne to Pennyweight
1 t = 643014.93137256 pwt
Example: convert 15 t to pwt:
15 t = 15 × 643014.93137256 pwt = 9645223.97058839 pwt
Tonne to Pennyweight Conversion Table
| tonne | pennyweight |
|---|
Tonne
A tonne (symbol: t) is a metric unit of mass equal to 1,000 kilograms or approximately 2,204.62 pounds.
History/Origin
The tonne was introduced as part of the metric system in the 19th century to standardize measurements of mass globally, replacing various local units with a single, consistent unit.
Current Use
The tonne is widely used internationally in industries such as shipping, manufacturing, and agriculture for measuring large quantities of materials and commodities.
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.