Carat per Milliliter (ct/mL) expresses mass in carat per unit volume in milliliter, found by dividing a mass value by a volume value.
Carat per Milliliter to Stone per Teaspoon
Convert carat per milliliter (ct/mL) to stone per teaspoon (st/tsp) instantly with formula, conversion table, and FAQ.
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Convert carat per milliliter (ct/mL) to stone per teaspoon (st/tsp) instantly with formula, conversion table, and FAQ.
Context values
Some unit families need one extra value for a physically accurate result.
Stone per Teaspoon (st/tsp) expresses mass in stone per unit volume in teaspoon, found by dividing a mass value by a volume value.
st/tsp = ct/mL × 0.000155
Results update instantly for Carat per Milliliter to Stone per Teaspoon conversions.
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Formula
st/tsp = ct/mL × 0.000155
ct/mL = st/tsp × 6441.868733
Conversion table
| 1 ct/mL | 0.000155 st/tsp |
| 5 ct/mL | 0.000776 st/tsp |
| 10 ct/mL | 0.001552 st/tsp |
| 20 ct/mL | 0.003105 st/tsp |
| 50 ct/mL | 0.007762 st/tsp |
| 100 ct/mL | 0.015523 st/tsp |
| 500 ct/mL | 0.077617 st/tsp |
| 1000 ct/mL | 0.155234 st/tsp |
Related conversions
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How the formula works
Both carat per milliliter and stone per teaspoon measure the same physical quantity (mass per unit volume), so converting between them is a single multiplication. Multiply a value in carat per milliliter by 0.000155 to get stone per teaspoon. To reverse the conversion, multiply a stone per teaspoon value by 6441.868733 to get back to carat per milliliter.
Frequently asked questions
What is Carat per Milliliter (ct/mL)?
Carat per Milliliter (ct/mL) expresses mass in carat per unit volume in milliliter, found by dividing a mass value by a volume value.
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.
How do I convert carat per milliliter to stone per teaspoon?
Multiply the carat per milliliter value by 0.000155 to get the equivalent in stone per teaspoon. For example, 5 ct/mL × 0.000155 = 0.000776 st/tsp.
Is this conversion exact?
Yes. Both units are defined using fixed metric and imperial conversion constants, so the factor 0.000155 is an exact, non-rounded value.
Can I convert stone per teaspoon back to carat per milliliter?
Yes. Divide the stone per teaspoon value by 0.000155, or multiply it by 6441.868733, to get carat per milliliter.
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About converting carat per milliliter to stone per teaspoon
Carat per Milliliter (ct/mL) expresses mass in carat per unit volume in milliliter, found by dividing a mass value by a volume value. Stone per Teaspoon (st/tsp) expresses mass in stone per unit volume in teaspoon, found by dividing a mass value by a volume value.
Use this calculator to move between carat per milliliter and stone 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.