Mass per volume density.
Stones per Fluid ounce to Carats per Teaspoon Converter — st/fl oz to ct/tsp
Convert Stone per Fluid ounce (st/fl oz) to Carat per Teaspoon (ct/tsp) using the exact conversion factor (1 stone per fluid ounce = 5,291.910983 carat per teaspoon). See the formula, worked examples, and conversion table.
Stones per Fluid ounce 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 214728.9578 / 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 Fluid ounce to Carats per Teaspoon
Stone per Fluid ounce 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 fluid ounce × 5291.91098333
This factor comes from each unit's defined relationship to the category's base unit: 1 stone per fluid ounce equals 214728.957752 base units, and 1 carat per teaspoon equals 40.5768272422 base units, so dividing one by the other gives the direct stone per fluid ounce-to-carat per teaspoon factor of 5291.91098333.
Simple example
1 st/fl oz × 5291.910983 = 5,291.910983 ct/tsp
1 stone per fluid ounce = 5,291.910983 carats per teaspoon.
Real-world example
1,000 st/fl oz × 5291.910983 = 5,291,910.983 ct/tsp
1,000 stones per fluid ounce = 5,291,910.983 carats per teaspoon.
Conversion table
| Stone per Fluid ounce (st/fl oz) | Carat per Teaspoon (ct/tsp) |
|---|---|
| 0.1 st/fl oz | 529.1910983 ct/tsp |
| 1 st/fl oz | 5,291.910983 ct/tsp |
| 10 st/fl oz | 52,919.10983 ct/tsp |
| 100 st/fl oz | 529,191.0983 ct/tsp |
| 1,000 st/fl oz | 5,291,910.983 ct/tsp |
| 10,000 st/fl oz | 52,919,109.83 ct/tsp |
Reverse conversion: Carat per Teaspoon to Stone per Fluid ounce
1 ct/tsp × 0.0001889676533 = 0.0001889677 st/fl oz
1 carat per teaspoon = 0.0001889677 stones per fluid ounce.
stones per fluid ounce = carats per teaspoon × 0.000188967653301
For a page dedicated to this direction, see Carat per Teaspoon to Stone per Fluid ounce.
Understanding the Stone per Fluid ounce (st/fl oz)
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 fluid ounce?
1 stone per fluid ounce equals 5,291.910983 carats per teaspoon, using the exact defined conversion factor rather than an estimate.
How do I convert stone per fluid ounce to carat per teaspoon?
Multiply the stone per fluid ounce value by 5291.910983. The converter above does this instantly to whatever precision you set.
How do I convert carat per teaspoon back to stone per fluid ounce?
Use the reverse factor: 1 carat per teaspoon equals 0.0001889677 stones per fluid ounce. You can also use the swap control in the converter above to flip the direction instantly.
What is a stone per fluid ounce?
Stone per Fluid ounce (st/fl oz) 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 fluid ounce to carat per teaspoon conversion exact?
Yes. Both stone per fluid ounce and carat per teaspoon are defined by fixed standards rather than physical artifacts, so the factor of 5291.910983 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.