About the Units
zeptogram (zg)
A unit of mass equal to 10^-21 grams or 10^-24 kilograms.
troy ounce (oz t)
A unit of mass equal to approximately 31.1 grams, used for precious metals.
Common Conversions
- 1 zg = 3.215074e-23 oz t
- 3.1103483e22 zg = 1 oz t