Mass per volume density.
Carat per Cubic inches to Stones per Cubic foot Converter — ct/in3 to st/ft3
Convert Carat per Cubic inch (ct/in3) to Stone per Cubic foot (st/ft3) using the exact conversion factor (1 carat per cubic inch = 0.0544226842 stone per cubic foot). See the formula, worked examples, and conversion table.
Carat per Cubic inches to Stones per Cubic foot converter
Converter
Density Converter
Convert thousands of mass-per-volume density combinations for science, engineering, agriculture, and fluids.
Mass per volume density.
Result = input x 12.20474882 / 224.2584872.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Carat per Cubic inches to Stones per Cubic foot
Carat per Cubic inch and Stone per Cubic foot 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 cubic foot = carat per cubic inches × 0.0544226841508
This factor comes from each unit's defined relationship to the category's base unit: 1 carat per cubic inch equals 12.2047488189 base units, and 1 stone per cubic foot equals 224.258487235 base units, so dividing one by the other gives the direct carat per cubic inch-to-stone per cubic foot factor of 0.0544226841508.
Simple example
1 ct/in3 × 0.05442268415 = 0.0544226842 st/ft3
1 carat per cubic inch = 0.0544226842 stones per cubic foot.
Real-world example
1,000 ct/in3 × 0.05442268415 = 54.42268415 st/ft3
1,000 carat per cubic inches = 54.42268415 stones per cubic foot.
Conversion table
| Carat per Cubic inch (ct/in3) | Stone per Cubic foot (st/ft3) |
|---|---|
| 0.1 ct/in3 | 0.0054422684 st/ft3 |
| 1 ct/in3 | 0.0544226842 st/ft3 |
| 10 ct/in3 | 0.5442268415 st/ft3 |
| 100 ct/in3 | 5.442268415 st/ft3 |
| 1,000 ct/in3 | 54.42268415 st/ft3 |
| 10,000 ct/in3 | 544.2268415 st/ft3 |
Reverse conversion: Stone per Cubic foot to Carat per Cubic inch
0.0544226842 st/ft3 × 18.37469091 = 1.000000001 ct/in3
0.0544226842 stones per cubic foot = 1.000000001 carat per cubic inches.
carat per cubic inches = stones per cubic foot × 18.3746909144
For a page dedicated to this direction, see Stone per Cubic foot to Carat per Cubic inch.
Understanding the Carat per Cubic inch (ct/in3)
Mass per volume density.
Understanding the Stone per Cubic foot (st/ft3)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many stones per cubic foot are in 1 carat per cubic inch?
1 carat per cubic inch equals 0.0544226842 stones per cubic foot, using the exact defined conversion factor rather than an estimate.
How do I convert carat per cubic inch to stone per cubic foot?
Multiply the carat per cubic inch value by 0.05442268415. The converter above does this instantly to whatever precision you set.
How do I convert stone per cubic foot back to carat per cubic inch?
Use the reverse factor: 1 stone per cubic foot equals 18.37469091 carat per cubic inches. You can also use the swap control in the converter above to flip the direction instantly.
What is a carat per cubic inch?
Carat per Cubic inch (ct/in3) is a unit of density.
What is a stone per cubic foot?
Stone per Cubic foot (st/ft3) is a unit of density.
Is the carat per cubic inch to stone per cubic foot conversion exact?
Yes. Both carat per cubic inch and stone per cubic foot are defined by fixed standards rather than physical artifacts, so the factor of 0.05442268415 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.