About the Units
troy ounce (oz t)
A unit of mass equal to approximately 31.1 grams, used for precious metals.
femtogram (fg)
A unit of mass equal to 10^-15 grams or 10^-18 kilograms.
Common Conversions
- 1 oz t = 31103479000000000.0 fg
- 3.2150744e-17 oz t = 1 fg