About the Units
carat (ct)
A unit of mass equal to 200 milligrams, used for measuring gemstones and pearls.
troy ounce (oz t)
A unit of mass equal to approximately 31.1 grams, used for precious metals.
Common Conversions
- 1 ct = 0.006430148 oz t
- 155.51741 ct = 1 oz t