Stone per Teaspoon (st/tsp) expresses mass in stone per unit volume in teaspoon, found by dividing a mass value by a volume value.
Stone per Teaspoon to Carat per Cubic Millimeter
Convert stone per teaspoon (st/tsp) to carat per cubic millimeter (ct/mm3) instantly with formula, conversion table, and FAQ.
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Convert stone per teaspoon (st/tsp) to carat per cubic millimeter (ct/mm3) instantly with formula, conversion table, and FAQ.
Context values
Some unit families need one extra value for a physically accurate result.
Carat per Cubic Millimeter (ct/mm3) expresses mass in carat per unit volume in cubic millimeter, found by dividing a mass value by a volume value.
ct/mm3 = st/tsp × 6.441869
Results update instantly for Stone per Teaspoon to Carat per Cubic Millimeter conversions.
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Formula
ct/mm3 = st/tsp × 6.441869
st/tsp = ct/mm3 × 0.155234
Conversion table
| 1 st/tsp | 6.441869 ct/mm3 |
| 5 st/tsp | 32.209344 ct/mm3 |
| 10 st/tsp | 64.418687 ct/mm3 |
| 20 st/tsp | 128.837375 ct/mm3 |
| 50 st/tsp | 322.093437 ct/mm3 |
| 100 st/tsp | 644.186873 ct/mm3 |
| 500 st/tsp | 3220.934366 ct/mm3 |
| 1000 st/tsp | 6441.868733 ct/mm3 |
Related conversions
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How the formula works
Both stone per teaspoon and carat per cubic millimeter measure the same physical quantity (mass per unit volume), so converting between them is a single multiplication. Multiply a value in stone per teaspoon by 6.441869 to get carat per cubic millimeter. To reverse the conversion, multiply a carat per cubic millimeter value by 0.155234 to get back to stone per teaspoon.
Frequently asked questions
What is Stone per Teaspoon (st/tsp)?
Stone per Teaspoon (st/tsp) expresses mass in stone per unit volume in teaspoon, found by dividing a mass value by a volume value.
What is Carat per Cubic Millimeter (ct/mm3)?
Carat per Cubic Millimeter (ct/mm3) expresses mass in carat per unit volume in cubic millimeter, found by dividing a mass value by a volume value.
How do I convert stone per teaspoon to carat per cubic millimeter?
Multiply the stone per teaspoon value by 6.441869 to get the equivalent in carat per cubic millimeter. For example, 5 st/tsp × 6.441869 = 32.209344 ct/mm3.
Is this conversion exact?
Yes. Both units are defined using fixed metric and imperial conversion constants, so the factor 6.441869 is an exact, non-rounded value.
Can I convert carat per cubic millimeter back to stone per teaspoon?
Yes. Divide the carat per cubic millimeter value by 6.441869, or multiply it by 0.155234, to get stone per teaspoon.
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About converting stone per teaspoon to carat per cubic millimeter
Stone per Teaspoon (st/tsp) expresses mass in stone per unit volume in teaspoon, found by dividing a mass value by a volume value. Carat per Cubic Millimeter (ct/mm3) expresses mass in carat per unit volume in cubic millimeter, found by dividing a mass value by a volume value.
Use this calculator to move between stone per teaspoon and carat per cubic millimeter accurately for science, engineering, manufacturing, or everyday density calculations. The Universal Converter uses exact unit factors, so results stay consistent across the site.