Mass per volume density.
Stones per Gallon to Carats per Teaspoon Converter — st/gal to ct/tsp
Convert Stone per Gallon (st/gal) to Carat per Teaspoon (ct/tsp) using the exact conversion factor (1 stone per gallon = 41.34305456 carat per teaspoon). See the formula, worked examples, and conversion table.
Stones per Gallon 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 1677.569982 / 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 Gallon to Carats per Teaspoon
Stone per Gallon 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 gallon × 41.3430545573
This factor comes from each unit's defined relationship to the category's base unit: 1 stone per gallon equals 1677.56998244 base units, and 1 carat per teaspoon equals 40.5768272422 base units, so dividing one by the other gives the direct stone per gallon-to-carat per teaspoon factor of 41.3430545573.
Simple example
1 st/gal × 41.34305456 = 41.34305456 ct/tsp
1 stone per gallon = 41.34305456 carats per teaspoon.
Real-world example
1,000 st/gal × 41.34305456 = 41,343.05456 ct/tsp
1,000 stones per gallon = 41,343.05456 carats per teaspoon.
Conversion table
| Stone per Gallon (st/gal) | Carat per Teaspoon (ct/tsp) |
|---|---|
| 0.1 st/gal | 4.134305456 ct/tsp |
| 1 st/gal | 41.34305456 ct/tsp |
| 10 st/gal | 413.4305456 ct/tsp |
| 100 st/gal | 4,134.305456 ct/tsp |
| 1,000 st/gal | 41,343.05456 ct/tsp |
| 10,000 st/gal | 413,430.5456 ct/tsp |
Reverse conversion: Carat per Teaspoon to Stone per Gallon
41.34305456 ct/tsp × 0.02418785962 = 1 st/gal
41.34305456 carats per teaspoon = 1 stones per gallon.
stones per gallon = carats per teaspoon × 0.0241878596226
For a page dedicated to this direction, see Carat per Teaspoon to Stone per Gallon.
Understanding the Stone per Gallon (st/gal)
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 gallon?
1 stone per gallon equals 41.34305456 carats per teaspoon, using the exact defined conversion factor rather than an estimate.
How do I convert stone per gallon to carat per teaspoon?
Multiply the stone per gallon value by 41.34305456. The converter above does this instantly to whatever precision you set.
How do I convert carat per teaspoon back to stone per gallon?
Use the reverse factor: 1 carat per teaspoon equals 0.0241878596 stones per gallon. You can also use the swap control in the converter above to flip the direction instantly.
What is a stone per gallon?
Stone per Gallon (st/gal) 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 gallon to carat per teaspoon conversion exact?
Yes. Both stone per gallon and carat per teaspoon are defined by fixed standards rather than physical artifacts, so the factor of 41.34305456 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.