Stone to Carat Converter (st to ct)

How to Convert Stone to Carat

Formula: Carat = Stone × 31,751.4659

Example: 1 st = 31,751.4659 ct

You can also use the interactive converter above. Simply enter any Stone value and the equivalent Carat value will appear instantly. Click the ⇄ button to reverse the conversion.

A little context on Stone and Carat helps this conversion stick, along with some frequently asked questions below.

Step-by-step example — Convert 10 st to ct:

What is Stone and Carat?

A Stone (st) equals 14 pounds and is a traditional unit still used for body weight in the UK and Ireland.

A Carat (ct) is a unit of mass equal to exactly 200 milligrams, used almost exclusively for gemstones and pearls.

Real World Uses of Stone to Carat Conversion

• Stone: Commonly used for tracking weight loss and gain in British fitness and health contexts.
• Carat: Commonly used for stating the weight of diamonds and other gemstones.
• Stone: Commonly used in the UK and Ireland for reporting body weight in everyday conversation and healthcare.
• Carat: Commonly used by jewelers to price diamonds and gemstones — a higher carat weight means a larger stone.

Frequently Asked Questions

What is the formula to convert Stone to Carat?

The formula is: Carat = Stone x 31751.4659. Multiply any Stone value by 31751.4659 to get the equivalent in Carat.

What is 1 Stone in Carat?

1 st = 31751.4659 ct.

How many Stone are in 1 Carat?

1 ct = 0.00003149461 st.

Is Stone bigger or smaller than Carat?

Stone is bigger than Carat. 1 Stone = 31751.4659 ct.

What is 5 st in ct?

5 st = 158,757.3295 ct.

What is 5 ct in st?

5 ct = 0.0001574730444 st.

Why is body weight measured in stone in the UK?

The stone has been a traditional British unit of weight for centuries and remains common in the UK and Ireland for body weight, even though the rest of Europe uses kilograms.