Mass per volume density.
Carats per Teaspoon to Stones per Gallon Converter — ct/tsp to st/gal
Convert Carat per Teaspoon (ct/tsp) to Stone per Gallon (st/gal) using the exact conversion factor (1 carat per teaspoon = 0.0241878596 stone per gallon). See the formula, worked examples, and conversion table.
Carats per Teaspoon 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 40.57682724 / 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 Teaspoon to Stones per Gallon
Carat per Teaspoon 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 teaspoon × 0.0241878596226
This factor comes from each unit's defined relationship to the category's base unit: 1 carat per teaspoon equals 40.5768272422 base units, and 1 stone per gallon equals 1677.56998244 base units, so dividing one by the other gives the direct carat per teaspoon-to-stone per gallon factor of 0.0241878596226.
Simple example
1 ct/tsp × 0.02418785962 = 0.0241878596 st/gal
1 carat per teaspoon = 0.0241878596 stones per gallon.
Real-world example
1,000 ct/tsp × 0.02418785962 = 24.18785962 st/gal
1,000 carats per teaspoon = 24.18785962 stones per gallon.
Conversion table
| Carat per Teaspoon (ct/tsp) | Stone per Gallon (st/gal) |
|---|---|
| 0.1 ct/tsp | 0.002418786 st/gal |
| 1 ct/tsp | 0.0241878596 st/gal |
| 10 ct/tsp | 0.2418785962 st/gal |
| 100 ct/tsp | 2.418785962 st/gal |
| 1,000 ct/tsp | 24.18785962 st/gal |
| 10,000 ct/tsp | 241.8785962 st/gal |
Reverse conversion: Stone per Gallon to Carat per Teaspoon
0.0241878596 st/gal × 41.34305456 = 0.9999999991 ct/tsp
0.0241878596 stones per gallon = 0.9999999991 carats per teaspoon.
carats per teaspoon = stones per gallon × 41.3430545573
For a page dedicated to this direction, see Stone per Gallon to Carat per Teaspoon.
Understanding the Carat per Teaspoon (ct/tsp)
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 teaspoon?
1 carat per teaspoon equals 0.0241878596 stones per gallon, using the exact defined conversion factor rather than an estimate.
How do I convert carat per teaspoon to stone per gallon?
Multiply the carat per teaspoon value by 0.02418785962. The converter above does this instantly to whatever precision you set.
How do I convert stone per gallon back to carat per teaspoon?
Use the reverse factor: 1 stone per gallon equals 41.34305456 carats per teaspoon. You can also use the swap control in the converter above to flip the direction instantly.
What is a carat per teaspoon?
Carat per Teaspoon (ct/tsp) 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 teaspoon to stone per gallon conversion exact?
Yes. Both carat per teaspoon and stone per gallon are defined by fixed standards rather than physical artifacts, so the factor of 0.02418785962 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.