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