Mass per volume density.
Carats per Pint to Stones per Gallon Converter — ct/pt to st/gal
Convert Carat per Pint (ct/pt) to Stone per Gallon (st/gal) using the exact conversion factor (1 carat per pint = 0.0002519569 stone per gallon). See the formula, worked examples, and conversion table.
Carats per Pint to Stones per Gallon 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 0.4226752838 / 1677.569982.
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 Stones per Gallon
Carat per Pint and Stone per Gallon 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 gallon = carats per pint × 0.000251956871068
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 stone per gallon equals 1677.56998244 base units, so dividing one by the other gives the direct carat per pint-to-stone per gallon factor of 0.000251956871068.
Simple example
1 ct/pt × 0.0002519568711 = 0.0002519569 st/gal
1 carat per pint = 0.0002519569 stones per gallon.
Real-world example
1,000 ct/pt × 0.0002519568711 = 0.2519568711 st/gal
1,000 carats per pint = 0.2519568711 stones per gallon.
Conversion table
| Carat per Pint (ct/pt) | Stone per Gallon (st/gal) |
|---|---|
| 0.1 ct/pt | 0.0000251957 st/gal |
| 1 ct/pt | 0.0002519569 st/gal |
| 10 ct/pt | 0.0025195687 st/gal |
| 100 ct/pt | 0.0251956871 st/gal |
| 1,000 ct/pt | 0.2519568711 st/gal |
| 10,000 ct/pt | 2.519568711 st/gal |
Reverse conversion: Stone per Gallon to Carat per Pint
0.0002519569 st/gal × 3968.933237 = 1.000000115 ct/pt
0.0002519569 stones per gallon = 1.000000115 carats per pint.
carats per pint = stones per gallon × 3968.9332375
For a page dedicated to this direction, see Stone per Gallon to Carat per Pint.
Understanding the Carat per Pint (ct/pt)
Mass per volume density.
Understanding the Stone per Gallon (st/gal)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many stones per gallon are in 1 carat per pint?
1 carat per pint equals 0.0002519569 stones per gallon, using the exact defined conversion factor rather than an estimate.
How do I convert carat per pint to stone per gallon?
Multiply the carat per pint value by 0.0002519568711. The converter above does this instantly to whatever precision you set.
How do I convert stone per gallon back to carat per pint?
Use the reverse factor: 1 stone per gallon equals 3,968.933237 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 stone per gallon?
Stone per Gallon (st/gal) is a unit of density.
Is the carat per pint to stone per gallon conversion exact?
Yes. Both carat per pint and stone per gallon are defined by fixed standards rather than physical artifacts, so the factor of 0.0002519568711 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.