Mass per volume density.
Carats per Cubic Millimeter to Carats per Teaspoon Converter — ct/mm3 to ct/tsp
Convert Carat per Cubic Millimeter (ct/mm3) to Carat per Teaspoon (ct/tsp) using the exact conversion factor (1 carat per cubic millimeter = 4,928.921594 carat per teaspoon). See the formula, worked examples, and conversion table.
Carats per Cubic Millimeter to Carats per Teaspoon converter
Converter
Density Converter
Convert thousands of mass-per-volume density combinations for science, engineering, agriculture, and fluids.
Context values
Some unit families need one extra value for a physically accurate result.
Mass per volume density.
Result = input x 200000 / 40.57682724.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Carats per Cubic Millimeter to Carats per Teaspoon
Carat per Cubic Millimeter and Carat per Teaspoon both measure density — mass per unit volume — a property used to identify materials, check manufacturing quality, and predict whether something floats or sinks. As a fixed reference point, water has a density of exactly 1000 kg/m³ (1 g/cm³, 1 g/mL) at its temperature of maximum density, which is why many density figures in science and engineering are quoted relative to water. Both are mass per volume density units.
Formula
carats per teaspoon = carats per cubic millimeter × 4928.92159375
This factor comes from each unit's defined relationship to the category's base unit: 1 carat per cubic millimeter equals 200000 base units, and 1 carat per teaspoon equals 40.5768272422 base units, so dividing one by the other gives the direct carat per cubic millimeter-to-carat per teaspoon factor of 4928.92159375.
Simple example
1 ct/mm3 × 4928.921594 = 4,928.921594 ct/tsp
1 carat per cubic millimeter = 4,928.921594 carats per teaspoon.
Real-world example
1,000 ct/mm3 × 4928.921594 = 4,928,921.594 ct/tsp
1,000 carats per cubic millimeter = 4,928,921.594 carats per teaspoon.
Conversion table
| Carat per Cubic Millimeter (ct/mm3) | Carat per Teaspoon (ct/tsp) |
|---|---|
| 0.1 ct/mm3 | 492.8921594 ct/tsp |
| 1 ct/mm3 | 4,928.921594 ct/tsp |
| 10 ct/mm3 | 49,289.21594 ct/tsp |
| 100 ct/mm3 | 492,892.1594 ct/tsp |
| 1,000 ct/mm3 | 4,928,921.594 ct/tsp |
| 10,000 ct/mm3 | 49,289,215.94 ct/tsp |
Reverse conversion: Carat per Teaspoon to Carat per Cubic Millimeter
1 ct/tsp × 0.0002028841362 = 0.0002028841 ct/mm3
1 carat per teaspoon = 0.0002028841 carats per cubic millimeter.
carats per cubic millimeter = carats per teaspoon × 0.000202884136211
For a page dedicated to this direction, see Carat per Teaspoon to Carat per Cubic Millimeter.
Understanding the Carat per Cubic Millimeter (ct/mm3)
Mass per volume density.
Understanding the Carat per Teaspoon (ct/tsp)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many carats per teaspoon are in 1 carat per cubic millimeter?
1 carat per cubic millimeter equals 4,928.921594 carats per teaspoon, using the exact defined conversion factor rather than an estimate.
How do I convert carat per cubic millimeter to carat per teaspoon?
Multiply the carat per cubic millimeter value by 4928.921594. The converter above does this instantly to whatever precision you set.
How do I convert carat per teaspoon back to carat per cubic millimeter?
Use the reverse factor: 1 carat per teaspoon equals 0.0002028841 carats per cubic millimeter. You can also use the swap control in the converter above to flip the direction instantly.
What is a carat per cubic millimeter?
Carat per Cubic Millimeter (ct/mm3) is a unit of density.
What is a carat per teaspoon?
Carat per Teaspoon (ct/tsp) is a unit of density.
Is the carat per cubic millimeter to carat per teaspoon conversion exact?
Yes. Both carat per cubic millimeter and carat per teaspoon are defined by fixed standards rather than physical artifacts, so the factor of 4928.921594 used above is exact to as many digits as you choose to display.
What's the difference between density and mass concentration?
Density is the mass of a pure substance or material per unit volume. Mass concentration is the mass of one component — like a dissolved solute — within a mixture's total volume. The two use the same kind of units but describe different physical situations.