About the Units
assay ton (AT)
A unit of mass equal to 29.167 grams, used in precious metal assaying.
attogram (ag)
A unit of mass equal to 10^-18 grams or 10^-21 kilograms.
Common Conversions
- 1 AT = 29166668000000000000.0 ag
- 3.4285712e-20 AT = 1 ag