About the Units
pennyweight (dwt)
A unit of mass equal to 1/20 of a troy ounce or approximately 1.55 grams.
grain (gr)
A unit of mass equal to 64.79891 milligrams, originally based on the weight of a grain of barley.
Common Conversions
- 1 dwt = 24.000004 gr
- 0.04166666 dwt = 1 gr