Mass per volume density.
Carats per Tablespoon to Stones per Gallon Converter — ct/tbsp to st/gal
Convert Carat per Tablespoon (ct/tbsp) to Stone per Gallon (st/gal) using the exact conversion factor (1 carat per tablespoon = 0.0080626199 stone per gallon). See the formula, worked examples, and conversion table.
Carats per Tablespoon 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 13.52560908 / 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 Tablespoon to Stones per Gallon
Carat per Tablespoon 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 tablespoon × 0.00806261987419
This factor comes from each unit's defined relationship to the category's base unit: 1 carat per tablespoon equals 13.5256090807 base units, and 1 stone per gallon equals 1677.56998244 base units, so dividing one by the other gives the direct carat per tablespoon-to-stone per gallon factor of 0.00806261987419.
Simple example
1 ct/tbsp × 0.008062619874 = 0.0080626199 st/gal
1 carat per tablespoon = 0.0080626199 stones per gallon.
Real-world example
1,000 ct/tbsp × 0.008062619874 = 8.062619874 st/gal
1,000 carats per tablespoon = 8.062619874 stones per gallon.
Conversion table
| Carat per Tablespoon (ct/tbsp) | Stone per Gallon (st/gal) |
|---|---|
| 0.1 ct/tbsp | 0.000806262 st/gal |
| 1 ct/tbsp | 0.0080626199 st/gal |
| 10 ct/tbsp | 0.0806261987 st/gal |
| 100 ct/tbsp | 0.8062619874 st/gal |
| 1,000 ct/tbsp | 8.062619874 st/gal |
| 10,000 ct/tbsp | 80.62619874 st/gal |
Reverse conversion: Stone per Gallon to Carat per Tablespoon
0.0080626199 st/gal × 124.0291637 = 1.000000003 ct/tbsp
0.0080626199 stones per gallon = 1.000000003 carats per tablespoon.
carats per tablespoon = stones per gallon × 124.029163672
For a page dedicated to this direction, see Stone per Gallon to Carat per Tablespoon.
Understanding the Carat per Tablespoon (ct/tbsp)
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 tablespoon?
1 carat per tablespoon equals 0.0080626199 stones per gallon, using the exact defined conversion factor rather than an estimate.
How do I convert carat per tablespoon to stone per gallon?
Multiply the carat per tablespoon value by 0.008062619874. The converter above does this instantly to whatever precision you set.
How do I convert stone per gallon back to carat per tablespoon?
Use the reverse factor: 1 stone per gallon equals 124.0291637 carats per tablespoon. You can also use the swap control in the converter above to flip the direction instantly.
What is a carat per tablespoon?
Carat per Tablespoon (ct/tbsp) 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 tablespoon to stone per gallon conversion exact?
Yes. Both carat per tablespoon and stone per gallon are defined by fixed standards rather than physical artifacts, so the factor of 0.008062619874 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.