Mass per volume density.
Stones per Pint to Carats per Imperial gallon Converter — st/pt to ct/imp gal
Convert Stone per Pint (st/pt) to Carat per Imperial gallon (ct/imp gal) using the exact conversion factor (1 stone per pint = 305,055.3649 carat per imperial gallon). See the formula, worked examples, and conversion table.
Stones per Pint to Carats per Imperial 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 13420.55986 / 0.04399384966.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Stones per Pint to Carats per Imperial gallon
Stone per Pint and Carat per Imperial 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
carats per imperial gallon = stones per pint × 305055.364858
This factor comes from each unit's defined relationship to the category's base unit: 1 stone per pint equals 13420.5598595 base units, and 1 carat per imperial gallon equals 0.0439938496598 base units, so dividing one by the other gives the direct stone per pint-to-carat per imperial gallon factor of 305055.364858.
Simple example
1 st/pt × 305055.3649 = 305,055.3649 ct/imp gal
1 stone per pint = 305,055.3649 carats per imperial gallon.
Real-world example
1,000 st/pt × 305055.3649 = 305,055,364.9 ct/imp gal
1,000 stones per pint = 305,055,364.9 carats per imperial gallon.
Conversion table
| Stone per Pint (st/pt) | Carat per Imperial gallon (ct/imp gal) |
|---|---|
| 0.1 st/pt | 30,505.53649 ct/imp gal |
| 1 st/pt | 305,055.3649 ct/imp gal |
| 10 st/pt | 3,050,553.649 ct/imp gal |
| 100 st/pt | 30,505,536.49 ct/imp gal |
| 1,000 st/pt | 305,055,364.9 ct/imp gal |
| 10,000 st/pt | 3,050,553,649 ct/imp gal |
Reverse conversion: Carat per Imperial gallon to Stone per Pint
1 ct/imp gal × 0.000003278093472 = 0.0000032781 st/pt
1 carat per imperial gallon = 0.0000032781 stones per pint.
stones per pint = carats per imperial gallon × 0.00000327809347154
For a page dedicated to this direction, see Carat per Imperial gallon to Stone per Pint.
Understanding the Stone per Pint (st/pt)
Mass per volume density.
Understanding the Carat per Imperial gallon (ct/imp gal)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many carats per imperial gallon are in 1 stone per pint?
1 stone per pint equals 305,055.3649 carats per imperial gallon, using the exact defined conversion factor rather than an estimate.
How do I convert stone per pint to carat per imperial gallon?
Multiply the stone per pint value by 305055.3649. The converter above does this instantly to whatever precision you set.
How do I convert carat per imperial gallon back to stone per pint?
Use the reverse factor: 1 carat per imperial gallon equals 0.0000032781 stones per pint. You can also use the swap control in the converter above to flip the direction instantly.
What is a stone per pint?
Stone per Pint (st/pt) is a unit of density.
What is a carat per imperial gallon?
Carat per Imperial gallon (ct/imp gal) is a unit of density.
Is the stone per pint to carat per imperial gallon conversion exact?
Yes. Both stone per pint and carat per imperial gallon are defined by fixed standards rather than physical artifacts, so the factor of 305055.3649 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.