Carat per Teaspoon (ct/tsp) expresses mass in carat per unit volume in teaspoon, found by dividing a mass value by a volume value.
Carat per Teaspoon to Grain per Cubic Millimeter
Convert carat per teaspoon (ct/tsp) to grain per cubic millimeter (gr/mm3) instantly with formula, conversion table, and FAQ.
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Convert carat per teaspoon (ct/tsp) to grain per cubic millimeter (gr/mm3) instantly with formula, conversion table, and FAQ.
Context values
Some unit families need one extra value for a physically accurate result.
Grain per Cubic Millimeter (gr/mm3) expresses mass in grain per unit volume in cubic millimeter, found by dividing a mass value by a volume value.
gr/mm3 = ct/tsp × 0.000626
Results update instantly for Carat per Teaspoon to Grain per Cubic Millimeter conversions.
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Formula
gr/mm3 = ct/tsp × 0.000626
ct/tsp = gr/mm3 × 1596.943734
Conversion table
| 1 ct/tsp | 0.000626 gr/mm3 |
| 5 ct/tsp | 0.003131 gr/mm3 |
| 10 ct/tsp | 0.006262 gr/mm3 |
| 20 ct/tsp | 0.012524 gr/mm3 |
| 50 ct/tsp | 0.03131 gr/mm3 |
| 100 ct/tsp | 0.06262 gr/mm3 |
| 500 ct/tsp | 0.313098 gr/mm3 |
| 1000 ct/tsp | 0.626196 gr/mm3 |
Related conversions
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How the formula works
Both carat per teaspoon and grain per cubic millimeter measure the same physical quantity (mass per unit volume), so converting between them is a single multiplication. Multiply a value in carat per teaspoon by 0.000626 to get grain per cubic millimeter. To reverse the conversion, multiply a grain per cubic millimeter value by 1596.943734 to get back to carat per teaspoon.
Frequently asked questions
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.
What is Grain per Cubic Millimeter (gr/mm3)?
Grain per Cubic Millimeter (gr/mm3) expresses mass in grain per unit volume in cubic millimeter, found by dividing a mass value by a volume value.
How do I convert carat per teaspoon to grain per cubic millimeter?
Multiply the carat per teaspoon value by 0.000626 to get the equivalent in grain per cubic millimeter. For example, 5 ct/tsp × 0.000626 = 0.003131 gr/mm3.
Is this conversion exact?
Yes. Both units are defined using fixed metric and imperial conversion constants, so the factor 0.000626 is an exact, non-rounded value.
Can I convert grain per cubic millimeter back to carat per teaspoon?
Yes. Divide the grain per cubic millimeter value by 0.000626, or multiply it by 1596.943734, to get carat per teaspoon.
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About converting carat per teaspoon to grain per cubic millimeter
Carat per Teaspoon (ct/tsp) expresses mass in carat per unit volume in teaspoon, found by dividing a mass value by a volume value. Grain per Cubic Millimeter (gr/mm3) expresses mass in grain per unit volume in cubic millimeter, found by dividing a mass value by a volume value.
Use this calculator to move between carat per teaspoon and grain 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.