Mass per volume density.
Stones per Cubic foot to Carats per Teaspoon Converter — st/ft3 to ct/tsp
Convert Stone per Cubic foot (st/ft3) to Carat per Teaspoon (ct/tsp) using the exact conversion factor (1 stone per cubic foot = 5.526762502 carat per teaspoon). See the formula, worked examples, and conversion table.
Stones per Cubic foot 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 224.2584872 / 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 Cubic foot to Carats per Teaspoon
Stone per Cubic foot 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 cubic foot × 5.52676250158
This factor comes from each unit's defined relationship to the category's base unit: 1 stone per cubic foot equals 224.258487235 base units, and 1 carat per teaspoon equals 40.5768272422 base units, so dividing one by the other gives the direct stone per cubic foot-to-carat per teaspoon factor of 5.52676250158.
Simple example
1 st/ft3 × 5.526762502 = 5.526762502 ct/tsp
1 stone per cubic foot = 5.526762502 carats per teaspoon.
Real-world example
1,000 st/ft3 × 5.526762502 = 5,526.762502 ct/tsp
1,000 stones per cubic foot = 5,526.762502 carats per teaspoon.
Conversion table
| Stone per Cubic foot (st/ft3) | Carat per Teaspoon (ct/tsp) |
|---|---|
| 0.1 st/ft3 | 0.5526762502 ct/tsp |
| 1 st/ft3 | 5.526762502 ct/tsp |
| 10 st/ft3 | 55.26762502 ct/tsp |
| 100 st/ft3 | 552.6762502 ct/tsp |
| 1,000 st/ft3 | 5,526.762502 ct/tsp |
| 10,000 st/ft3 | 55,267.62502 ct/tsp |
Reverse conversion: Carat per Teaspoon to Stone per Cubic foot
5.526762502 ct/tsp × 0.1809377551 = 1 st/ft3
5.526762502 carats per teaspoon = 1 stones per cubic foot.
stones per cubic foot = carats per teaspoon × 0.180937755099
For a page dedicated to this direction, see Carat per Teaspoon to Stone per Cubic foot.
Understanding the Stone per Cubic foot (st/ft3)
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 cubic foot?
1 stone per cubic foot equals 5.526762502 carats per teaspoon, using the exact defined conversion factor rather than an estimate.
How do I convert stone per cubic foot to carat per teaspoon?
Multiply the stone per cubic foot value by 5.526762502. The converter above does this instantly to whatever precision you set.
How do I convert carat per teaspoon back to stone per cubic foot?
Use the reverse factor: 1 carat per teaspoon equals 0.1809377551 stones per cubic foot. You can also use the swap control in the converter above to flip the direction instantly.
What is a stone per cubic foot?
Stone per Cubic foot (st/ft3) 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 cubic foot to carat per teaspoon conversion exact?
Yes. Both stone per cubic foot and carat per teaspoon are defined by fixed standards rather than physical artifacts, so the factor of 5.526762502 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.