Convert 21 Carats to Stone
Need to convert 21 Carats to Stone? Use our weight converter to instantly get the answer.
21 Carats is equal to 0.000661 Stone.
How to Convert 21 Carats to Stone
To convert from Carats to Stone, we use the conversion factor below:
1 Carat = 0.0000314946 Stone
By multiplying the value in Carats by this factor, we get the result:
(1 × 21) ct = (0.0000314946 × 21) st
21 ct = 0.000661 st
21 ct = 0.000661 st
Conversion Factors
1 Carat = 0.0000314946 Stone
1 Stone = 31,751.45 Carats
Formula:
Stone = Carats × 0.0000314946
Calculation:
21 ct × 0.0000314946 = 0.000661 st
About the Carat
A unit of mass equal to 200 milligrams. It is used for measuring gemstones and pearls. For a more detailed history, read more on Wikipedia.