Mass per volume density.
Carat per Cubic inches to Stones per Pint Converter — ct/in3 to st/pt
Convert Carat per Cubic inch (ct/in3) to Stone per Pint (st/pt) using the exact conversion factor (1 carat per cubic inch = 0.0009094068 stone per pint). See the formula, worked examples, and conversion table.
Carat per Cubic inches to Stones per Pint 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 / 13420.55986.
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 Stones per Pint
Carat per Cubic inch and Stone per Pint 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
stones per pint = carat per cubic inches × 0.000909406831513
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 stone per pint equals 13420.5598595 base units, so dividing one by the other gives the direct carat per cubic inch-to-stone per pint factor of 0.000909406831513.
Simple example
1 ct/in3 × 0.0009094068315 = 0.0009094068 st/pt
1 carat per cubic inch = 0.0009094068 stones per pint.
Real-world example
1,000 ct/in3 × 0.0009094068315 = 0.9094068315 st/pt
1,000 carat per cubic inches = 0.9094068315 stones per pint.
Conversion table
| Carat per Cubic inch (ct/in3) | Stone per Pint (st/pt) |
|---|---|
| 0.1 ct/in3 | 0.0000909407 st/pt |
| 1 ct/in3 | 0.0009094068 st/pt |
| 10 ct/in3 | 0.0090940683 st/pt |
| 100 ct/in3 | 0.0909406832 st/pt |
| 1,000 ct/in3 | 0.9094068315 st/pt |
| 10,000 ct/in3 | 9.094068315 st/pt |
Reverse conversion: Stone per Pint to Carat per Cubic inch
0.0009094068 st/pt × 1099.617867 = 0.9999999653 ct/in3
0.0009094068 stones per pint = 0.9999999653 carat per cubic inches.
carat per cubic inches = stones per pint × 1099.61786667
For a page dedicated to this direction, see Stone per Pint to Carat per Cubic inch.
Understanding the Carat per Cubic inch (ct/in3)
Mass per volume density.
Understanding the Stone per Pint (st/pt)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many stones per pint are in 1 carat per cubic inch?
1 carat per cubic inch equals 0.0009094068 stones per pint, using the exact defined conversion factor rather than an estimate.
How do I convert carat per cubic inch to stone per pint?
Multiply the carat per cubic inch value by 0.0009094068315. The converter above does this instantly to whatever precision you set.
How do I convert stone per pint back to carat per cubic inch?
Use the reverse factor: 1 stone per pint equals 1,099.617867 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 stone per pint?
Stone per Pint (st/pt) is a unit of density.
Is the carat per cubic inch to stone per pint conversion exact?
Yes. Both carat per cubic inch and stone per pint are defined by fixed standards rather than physical artifacts, so the factor of 0.0009094068315 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.