Mass per volume density.
Stones per Cubic Meter to Carats per Cubic Meter Converter — st/m3 to ct/m3
Convert Stone per Cubic Meter (st/m3) to Carat per Cubic Meter (ct/m3) using the exact conversion factor (1 stone per cubic meter = 31,751.4659 carat per cubic meter). See the formula, worked examples, and conversion table.
Stones per Cubic Meter to Carats per Cubic Meter 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 6.35029318 / 0.0002.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Stones per Cubic Meter to Carats per Cubic Meter
Stone per Cubic Meter and Carat per Cubic Meter 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 cubic meter = stones per cubic meter × 31751.4659
This factor comes from each unit's defined relationship to the category's base unit: 1 stone per cubic meter equals 6.35029318 base units, and 1 carat per cubic meter equals 0.0002 base units, so dividing one by the other gives the direct stone per cubic meter-to-carat per cubic meter factor of 31751.4659.
Simple example
1 st/m3 × 31751.4659 = 31,751.4659 ct/m3
1 stone per cubic meter = 31,751.4659 carats per cubic meter.
Real-world example
1,000 st/m3 × 31751.4659 = 31,751,465.9 ct/m3
1,000 stones per cubic meter = 31,751,465.9 carats per cubic meter.
Conversion table
| Stone per Cubic Meter (st/m3) | Carat per Cubic Meter (ct/m3) |
|---|---|
| 0.1 st/m3 | 3,175.14659 ct/m3 |
| 1 st/m3 | 31,751.4659 ct/m3 |
| 10 st/m3 | 317,514.659 ct/m3 |
| 100 st/m3 | 3,175,146.59 ct/m3 |
| 1,000 st/m3 | 31,751,465.9 ct/m3 |
| 10,000 st/m3 | 317,514,659 ct/m3 |
Reverse conversion: Carat per Cubic Meter to Stone per Cubic Meter
1 ct/m3 × 0.00003149460888 = 0.0000314946 st/m3
1 carat per cubic meter = 0.0000314946 stones per cubic meter.
stones per cubic meter = carats per cubic meter × 0.0000314946088836
For a page dedicated to this direction, see Carat per Cubic Meter to Stone per Cubic Meter.
Understanding the Stone per Cubic Meter (st/m3)
Mass per volume density.
Understanding the Carat per Cubic Meter (ct/m3)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many carats per cubic meter are in 1 stone per cubic meter?
1 stone per cubic meter equals 31,751.4659 carats per cubic meter, using the exact defined conversion factor rather than an estimate.
How do I convert stone per cubic meter to carat per cubic meter?
Multiply the stone per cubic meter value by 31751.4659. The converter above does this instantly to whatever precision you set.
How do I convert carat per cubic meter back to stone per cubic meter?
Use the reverse factor: 1 carat per cubic meter equals 0.0000314946 stones per cubic meter. You can also use the swap control in the converter above to flip the direction instantly.
What is a stone per cubic meter?
Stone per Cubic Meter (st/m3) is a unit of density.
What is a carat per cubic meter?
Carat per Cubic Meter (ct/m3) is a unit of density.
Is the stone per cubic meter to carat per cubic meter conversion exact?
Yes. Both stone per cubic meter and carat per cubic meter are defined by fixed standards rather than physical artifacts, so the factor of 31751.4659 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.