Carat to Stone
Carat (ct)
Stone (st)
How it is calculated
Each unit is defined via the base unit (kilogram (kg)). The value is first converted to the base unit, then to the selected unit.
1 ct = 0.0002 kg
1 st = 6.35029318 kg
1 ct × 0.0002 = 0.0002 kg
0.0002 kg ÷ 6.35029318 = 3.14946089e-5 st