About the Units
pennyweight (dwt)
A unit of mass equal to 1/20 of a troy ounce or approximately 1.55 grams.
assay ton (AT)
A unit of mass equal to 29.167 grams, used in precious metal assaying.
Common Conversions
- 1 dwt = 0.053320244 AT
- 18.754602 dwt = 1 AT