About the Units
troy ounce (oz t)
A unit of mass equal to approximately 31.1 grams, used for precious metals.
nanogram (ng)
A unit of mass equal to 10^-9 grams or 10^-12 kilograms.
Common Conversions
- 1 oz t = 31103480000.0 ng
- 3.2150744e-11 oz t = 1 ng