A stone is 14 pounds.
Stones to Carats
Convert stones (st) to carats (ct) instantly. Free online weight converter with formulas, tables and examples.
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Convert metric, imperial, and nautical distance units.
Context values
Some unit families need one extra value for a physically accurate result.
A metric carat is exactly 200 milligrams.
ct = st × 31751.4659
Results update instantly for Stones to Carats conversions.
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Formula
ct = st × 31751.4659
st = ct ÷ 31751.4659
Conversion table
| 1 st | 31751.465900 ct |
| 5 st | 158757.329500 ct |
| 10 st | 317514.659000 ct |
| 20 st | 635029.318000 ct |
| 50 st | 1587573.295000 ct |
| 100 st | 3175146.590000 ct |
| 500 st | 15875732.950000 ct |
| 1000 st | 31751465.900000 ct |
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Frequently asked questions
What is the source unit in this conversion?
The source unit is the stone (st). A stone is 14 pounds.
What is the destination unit in this conversion?
The destination unit is the carat (ct). A metric carat is exactly 200 milligrams.
How do I convert stones to carats?
Multiply the number of stones by 31751.4659 to get the equivalent value in carats. For example, 5 st × 31751.4659 = 158757.329500 ct.
Is the stone to carat conversion exact?
Yes. This converter uses a fixed factor of 31751.4659, so results are precise and consistent every time you use it.
Where is this conversion commonly used?
It's used in everyday measurement, shipping and logistics, scientific and industrial work, and any context where you need to switch between stone and carat values.
Can I convert carats back to stones?
Yes. Multiply the carats value by 3.14946088836e-05, or divide it by 31751.4659, to convert back to stones.
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About this conversion
This page converts stones (st) into carats (ct) using the Universal Converter's mass conversion engine.
Stone-to-Carat conversions are useful for everyday calculations, scientific work, shipping, and any task that mixes different weight or mass units.
The formula is ct = st × 31751.4659, based on the standard definitions of stone and carat.
Because the conversion factor is fixed, results stay consistent and repeatable no matter how many times you calculate them.
Stone: A stone is 14 pounds. Carat: A metric carat is exactly 200 milligrams.