Convert between Pennyweight and other Weight and Mass units.
Pennyweight
What is the pennyweight?
The pennyweight is a unit of mass. It can be abbreviated as dwt. It equals 24 grains. Nowadays, the pennyweight is not used officially in the United Kingdom.
Measurement of precious metals and jewellers is the main usage of pennyweight. Most dentists need to measure the precious metals used in dental crowns using the pennyweight.