Stone per Cubic Millimeter (st/mm3) expresses mass in stone per unit volume in cubic millimeter, found by dividing a mass value by a volume value.
Stone per Cubic Millimeter to Carat per Teaspoon
Convert stone per cubic millimeter (st/mm3) to carat per teaspoon (ct/tsp) instantly with formula, conversion table, and FAQ.
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Convert stone per cubic millimeter (st/mm3) to carat per teaspoon (ct/tsp) instantly with formula, conversion table, and FAQ.
Context values
Some unit families need one extra value for a physically accurate result.
Carat per Teaspoon (ct/tsp) expresses mass in carat per unit volume in teaspoon, found by dividing a mass value by a volume value.
ct/tsp = st/mm3 × 1.565005e8
Results update instantly for Stone per Cubic Millimeter to Carat per Teaspoon conversions.
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Formula
ct/tsp = st/mm3 × 1.565005e8
st/mm3 = ct/tsp × 6.389757e-9
Conversion table
| 1 st/mm3 | 1.565005e8 ct/tsp |
| 5 st/mm3 | 7.825024e8 ct/tsp |
| 10 st/mm3 | 1.565005e9 ct/tsp |
| 20 st/mm3 | 3.13001e9 ct/tsp |
| 50 st/mm3 | 7.825024e9 ct/tsp |
| 100 st/mm3 | 1.565005e10 ct/tsp |
| 500 st/mm3 | 7.825024e10 ct/tsp |
| 1000 st/mm3 | 1.565005e11 ct/tsp |
Related conversions
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How the formula works
Both stone per cubic millimeter and carat per teaspoon measure the same physical quantity (mass per unit volume), so converting between them is a single multiplication. Multiply a value in stone per cubic millimeter by 1.565005e8 to get carat per teaspoon. To reverse the conversion, multiply a carat per teaspoon value by 6.389757e-9 to get back to stone per cubic millimeter.
Frequently asked questions
What is Stone per Cubic Millimeter (st/mm3)?
Stone per Cubic Millimeter (st/mm3) expresses mass in stone per unit volume in cubic millimeter, found by dividing a mass value by a volume value.
What is Carat per Teaspoon (ct/tsp)?
Carat per Teaspoon (ct/tsp) expresses mass in carat per unit volume in teaspoon, found by dividing a mass value by a volume value.
How do I convert stone per cubic millimeter to carat per teaspoon?
Multiply the stone per cubic millimeter value by 1.565005e8 to get the equivalent in carat per teaspoon. For example, 5 st/mm3 × 1.565005e8 = 7.825024e8 ct/tsp.
Is this conversion exact?
Yes. Both units are defined using fixed metric and imperial conversion constants, so the factor 1.565005e8 is an exact, non-rounded value.
Can I convert carat per teaspoon back to stone per cubic millimeter?
Yes. Divide the carat per teaspoon value by 1.565005e8, or multiply it by 6.389757e-9, to get stone per cubic millimeter.
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About converting stone per cubic millimeter to carat per teaspoon
Stone per Cubic Millimeter (st/mm3) expresses mass in stone per unit volume in cubic millimeter, found by dividing a mass value by a volume value. Carat per Teaspoon (ct/tsp) expresses mass in carat per unit volume in teaspoon, found by dividing a mass value by a volume value.
Use this calculator to move between stone per cubic millimeter and carat per teaspoon accurately for science, engineering, manufacturing, or everyday density calculations. The Universal Converter uses exact unit factors, so results stay consistent across the site.