Mass per volume density.
Carat per Cubic inches to Carats per Teaspoon Converter — ct/in3 to ct/tsp
Convert Carat per Cubic inch (ct/in3) to Carat per Teaspoon (ct/tsp) using the exact conversion factor (1 carat per cubic inch = 0.30078125 carat per teaspoon). See the formula, worked examples, and conversion table.
Carat per Cubic inches 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 12.20474882 / 40.57682724.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Carat per Cubic inches to Carats per Teaspoon
Carat per Cubic inch 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 = carat per cubic inches × 0.30078125
This factor comes from each unit's defined relationship to the category's base unit: 1 carat per cubic inch equals 12.2047488189 base units, and 1 carat per teaspoon equals 40.5768272422 base units, so dividing one by the other gives the direct carat per cubic inch-to-carat per teaspoon factor of 0.30078125.
Simple example
1 ct/in3 × 0.30078125 = 0.30078125 ct/tsp
1 carat per cubic inch = 0.30078125 carats per teaspoon.
Real-world example
1,000 ct/in3 × 0.30078125 = 300.78125 ct/tsp
1,000 carat per cubic inches = 300.78125 carats per teaspoon.
Conversion table
| Carat per Cubic inch (ct/in3) | Carat per Teaspoon (ct/tsp) |
|---|---|
| 0.1 ct/in3 | 0.030078125 ct/tsp |
| 1 ct/in3 | 0.30078125 ct/tsp |
| 10 ct/in3 | 3.0078125 ct/tsp |
| 100 ct/in3 | 30.078125 ct/tsp |
| 1,000 ct/in3 | 300.78125 ct/tsp |
| 10,000 ct/in3 | 3,007.8125 ct/tsp |
Reverse conversion: Carat per Teaspoon to Carat per Cubic inch
0.30078125 ct/tsp × 3.324675325 = 1 ct/in3
0.30078125 carats per teaspoon = 1 carat per cubic inch.
carat per cubic inches = carats per teaspoon × 3.32467532468
For a page dedicated to this direction, see Carat per Teaspoon to Carat per Cubic inch.
Understanding the Carat per Cubic inch (ct/in3)
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 inch?
1 carat per cubic inch equals 0.30078125 carats per teaspoon, using the exact defined conversion factor rather than an estimate.
How do I convert carat per cubic inch to carat per teaspoon?
Multiply the carat per cubic inch value by 0.30078125. The converter above does this instantly to whatever precision you set.
How do I convert carat per teaspoon back to carat per cubic inch?
Use the reverse factor: 1 carat per teaspoon equals 3.324675325 carat per cubic inches. You can also use the swap control in the converter above to flip the direction instantly.
What is a carat per cubic inch?
Carat per Cubic inch (ct/in3) 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 inch to carat per teaspoon conversion exact?
Yes. Both carat per cubic inch and carat per teaspoon are defined by fixed standards rather than physical artifacts, so the factor of 0.30078125 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.