About the Units
attogram (ag)
A unit of mass equal to 10^-18 grams or 10^-21 kilograms.
pennyweight (dwt)
A unit of mass equal to 1/20 of a troy ounce or approximately 1.55 grams.
Common Conversions
- 1 ag = 6.430149e-19 dwt
- 1555173800000000000.0 ag = 1 dwt