Mass per volume density.
Stones per Pint to Carats per Teaspoon Converter — st/pt to ct/tsp
Convert Stone per Pint (st/pt) to Carat per Teaspoon (ct/tsp) using the exact conversion factor (1 stone per pint = 330.7444365 carat per teaspoon). See the formula, worked examples, and conversion table.
Stones per Pint 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 13420.55986 / 40.57682724.
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 Teaspoon
Stone per Pint 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 = stones per pint × 330.744436458
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 teaspoon equals 40.5768272422 base units, so dividing one by the other gives the direct stone per pint-to-carat per teaspoon factor of 330.744436458.
Simple example
1 st/pt × 330.7444365 = 330.7444365 ct/tsp
1 stone per pint = 330.7444365 carats per teaspoon.
Real-world example
1,000 st/pt × 330.7444365 = 330,744.4365 ct/tsp
1,000 stones per pint = 330,744.4365 carats per teaspoon.
Conversion table
| Stone per Pint (st/pt) | Carat per Teaspoon (ct/tsp) |
|---|---|
| 0.1 st/pt | 33.07444365 ct/tsp |
| 1 st/pt | 330.7444365 ct/tsp |
| 10 st/pt | 3,307.444365 ct/tsp |
| 100 st/pt | 33,074.44365 ct/tsp |
| 1,000 st/pt | 330,744.4365 ct/tsp |
| 10,000 st/pt | 3,307,444.365 ct/tsp |
Reverse conversion: Carat per Teaspoon to Stone per Pint
330.7444365 ct/tsp × 0.003023482453 = 1 st/pt
330.7444365 carats per teaspoon = 1 stones per pint.
stones per pint = carats per teaspoon × 0.00302348245282
For a page dedicated to this direction, see Carat per Teaspoon to Stone per Pint.
Understanding the Stone per Pint (st/pt)
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 stone per pint?
1 stone per pint equals 330.7444365 carats per teaspoon, using the exact defined conversion factor rather than an estimate.
How do I convert stone per pint to carat per teaspoon?
Multiply the stone per pint value by 330.7444365. The converter above does this instantly to whatever precision you set.
How do I convert carat per teaspoon back to stone per pint?
Use the reverse factor: 1 carat per teaspoon equals 0.0030234825 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 teaspoon?
Carat per Teaspoon (ct/tsp) is a unit of density.
Is the stone per pint to carat per teaspoon conversion exact?
Yes. Both stone per pint and carat per teaspoon are defined by fixed standards rather than physical artifacts, so the factor of 330.7444365 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.