Mass per volume density.
Carats per Tablespoon to Stones per Fluid ounce Converter — ct/tbsp to st/fl oz
Convert Carat per Tablespoon (ct/tbsp) to Stone per Fluid ounce (st/fl oz) using the exact conversion factor (1 carat per tablespoon = 0.0000629892 stone per fluid ounce). See the formula, worked examples, and conversion table.
Carats per Tablespoon to Stones per Fluid ounce 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 / 214728.9578.
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 Fluid ounce
Carat per Tablespoon and Stone per Fluid ounce 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 fluid ounce = carats per tablespoon × 0.0000629892177671
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 fluid ounce equals 214728.957752 base units, so dividing one by the other gives the direct carat per tablespoon-to-stone per fluid ounce factor of 0.0000629892177671.
Simple example
1 ct/tbsp × 0.00006298921777 = 0.0000629892 st/fl oz
1 carat per tablespoon = 0.0000629892 stones per fluid ounce.
Real-world example
1,000 ct/tbsp × 0.00006298921777 = 0.0629892178 st/fl oz
1,000 carats per tablespoon = 0.0629892178 stones per fluid ounce.
Conversion table
| Carat per Tablespoon (ct/tbsp) | Stone per Fluid ounce (st/fl oz) |
|---|---|
| 0.1 ct/tbsp | 0.0000062989 st/fl oz |
| 1 ct/tbsp | 0.0000629892 st/fl oz |
| 10 ct/tbsp | 0.0006298922 st/fl oz |
| 100 ct/tbsp | 0.0062989218 st/fl oz |
| 1,000 ct/tbsp | 0.0629892178 st/fl oz |
| 10,000 ct/tbsp | 0.6298921777 st/fl oz |
Reverse conversion: Stone per Fluid ounce to Carat per Tablespoon
0.0000629892 st/fl oz × 15875.73295 = 0.9999997179 ct/tbsp
0.0000629892 stones per fluid ounce = 0.9999997179 carats per tablespoon.
carats per tablespoon = stones per fluid ounce × 15875.73295
For a page dedicated to this direction, see Stone per Fluid ounce to Carat per Tablespoon.
Understanding the Carat per Tablespoon (ct/tbsp)
Mass per volume density.
Understanding the Stone per Fluid ounce (st/fl oz)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many stones per fluid ounce are in 1 carat per tablespoon?
1 carat per tablespoon equals 0.0000629892 stones per fluid ounce, using the exact defined conversion factor rather than an estimate.
How do I convert carat per tablespoon to stone per fluid ounce?
Multiply the carat per tablespoon value by 0.00006298921777. The converter above does this instantly to whatever precision you set.
How do I convert stone per fluid ounce back to carat per tablespoon?
Use the reverse factor: 1 stone per fluid ounce equals 15,875.73295 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 fluid ounce?
Stone per Fluid ounce (st/fl oz) is a unit of density.
Is the carat per tablespoon to stone per fluid ounce conversion exact?
Yes. Both carat per tablespoon and stone per fluid ounce are defined by fixed standards rather than physical artifacts, so the factor of 0.00006298921777 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.