Mass per volume density.
Carats per Pint to Dram per Cubic inches Converter — ct/pt to dr/in3
Convert Carat per Pint (ct/pt) to Dram per Cubic inch (dr/in3) using the exact conversion factor (1 carat per pint = 0.003909149 dram per cubic inch). See the formula, worked examples, and conversion table.
Carats per Pint to Dram per Cubic inches converter
Converter
Density Converter
Convert thousands of mass-per-volume density combinations for science, engineering, agriculture, and fluids.
Mass per volume density.
Result = input x 0.4226752838 / 108.1246278.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Carats per Pint to Dram per Cubic inches
Carat per Pint and Dram per Cubic inch 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
dram per cubic inches = carats per pint × 0.00390914902991
This factor comes from each unit's defined relationship to the category's base unit: 1 carat per pint equals 0.422675283773 base units, and 1 dram per cubic inch equals 108.124627774 base units, so dividing one by the other gives the direct carat per pint-to-dram per cubic inch factor of 0.00390914902991.
Simple example
1 ct/pt × 0.00390914903 = 0.003909149 dr/in3
1 carat per pint = 0.003909149 dram per cubic inches.
Real-world example
1,000 ct/pt × 0.00390914903 = 3.90914903 dr/in3
1,000 carats per pint = 3.90914903 dram per cubic inches.
Conversion table
| Carat per Pint (ct/pt) | Dram per Cubic inch (dr/in3) |
|---|---|
| 0.1 ct/pt | 0.0003909149 dr/in3 |
| 1 ct/pt | 0.003909149 dr/in3 |
| 10 ct/pt | 0.0390914903 dr/in3 |
| 100 ct/pt | 0.390914903 dr/in3 |
| 1,000 ct/pt | 3.90914903 dr/in3 |
| 10,000 ct/pt | 39.0914903 dr/in3 |
Reverse conversion: Dram per Cubic inch to Carat per Pint
0.003909149 dr/in3 × 255.8101501 = 0.9999999923 ct/pt
0.003909149 dram per cubic inches = 0.9999999923 carats per pint.
carats per pint = dram per cubic inches × 255.810150073
For a page dedicated to this direction, see Dram per Cubic inch to Carat per Pint.
Understanding the Carat per Pint (ct/pt)
Mass per volume density.
Understanding the Dram per Cubic inch (dr/in3)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many dram per cubic inches are in 1 carat per pint?
1 carat per pint equals 0.003909149 dram per cubic inches, using the exact defined conversion factor rather than an estimate.
How do I convert carat per pint to dram per cubic inch?
Multiply the carat per pint value by 0.00390914903. The converter above does this instantly to whatever precision you set.
How do I convert dram per cubic inch back to carat per pint?
Use the reverse factor: 1 dram per cubic inch equals 255.8101501 carats per pint. You can also use the swap control in the converter above to flip the direction instantly.
What is a carat per pint?
Carat per Pint (ct/pt) is a unit of density.
What is a dram per cubic inch?
Dram per Cubic inch (dr/in3) is a unit of density.
Is the carat per pint to dram per cubic inch conversion exact?
Yes. Both carat per pint and dram per cubic inch are defined by fixed standards rather than physical artifacts, so the factor of 0.00390914903 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.