Convert Carat to Stone

Converting from ct to st

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Information:

  • The SI base unit for mass is the kilogram (kg).
  • 1 pound (lb) = 0.45359237 kilograms exactly.
  • 1 ounce (oz) = 1/16 of a pound.
  • 1 stone (st) = 14 pounds.
Conversion Details & Formula

Formula:

Result (st) = Input Value (ct) × 0.0000315

The conversion factor is derived from SI base unit conversions: (0.0002 / 6.3502932)

Unit Relationship:

  • 1 ct (Carat) = 0.0000315 st (Stone)
  • 1 st (Stone) = 31751.4659 ct (Carat)

Equivalence to SI Base Unit (kg):

  • 1 ct (Carat) = 0.0002 kg
  • 1 st (Stone) = 6.3502932 kg