Mass per volume density.
Ounce per Cubic inches to Carats per Milliliter Converter — oz/in3 to ct/mL
Convert Ounce per Cubic inch (oz/in3) to Carat per Milliliter (ct/mL) using the exact conversion factor (1 ounce per cubic inch = 8.649970222 carat per milliliter). See the formula, worked examples, and conversion table.
Ounce per Cubic inches to Carats per Milliliter 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 1729.994044 / 200.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Ounce per Cubic inches to Carats per Milliliter
Ounce per Cubic inch and Carat per Milliliter 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 milliliter = ounce per cubic inches × 8.64997022194
This factor comes from each unit's defined relationship to the category's base unit: 1 ounce per cubic inch equals 1729.99404439 base units, and 1 carat per milliliter equals 200 base units, so dividing one by the other gives the direct ounce per cubic inch-to-carat per milliliter factor of 8.64997022194.
Simple example
1 oz/in3 × 8.649970222 = 8.649970222 ct/mL
1 ounce per cubic inch = 8.649970222 carats per milliliter.
Real-world example
1,000 oz/in3 × 8.649970222 = 8,649.970222 ct/mL
1,000 ounce per cubic inches = 8,649.970222 carats per milliliter.
Conversion table
| Ounce per Cubic inch (oz/in3) | Carat per Milliliter (ct/mL) |
|---|---|
| 0.1 oz/in3 | 0.8649970222 ct/mL |
| 1 oz/in3 | 8.649970222 ct/mL |
| 10 oz/in3 | 86.49970222 ct/mL |
| 100 oz/in3 | 864.9970222 ct/mL |
| 1,000 oz/in3 | 8,649.970222 ct/mL |
| 10,000 oz/in3 | 86,499.70222 ct/mL |
Reverse conversion: Carat per Milliliter to Ounce per Cubic inch
8.649970222 ct/mL × 0.1156073344 = 1 oz/in3
8.649970222 carats per milliliter = 1 ounce per cubic inches.
ounce per cubic inches = carats per milliliter × 0.1156073344
For a page dedicated to this direction, see Carat per Milliliter to Ounce per Cubic inch.
Understanding the Ounce per Cubic inch (oz/in3)
Mass per volume density.
Understanding the Carat per Milliliter (ct/mL)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many carats per milliliter are in 1 ounce per cubic inch?
1 ounce per cubic inch equals 8.649970222 carats per milliliter, using the exact defined conversion factor rather than an estimate.
How do I convert ounce per cubic inch to carat per milliliter?
Multiply the ounce per cubic inch value by 8.649970222. The converter above does this instantly to whatever precision you set.
How do I convert carat per milliliter back to ounce per cubic inch?
Use the reverse factor: 1 carat per milliliter equals 0.1156073344 ounce per cubic inches. You can also use the swap control in the converter above to flip the direction instantly.
What is a ounce per cubic inch?
Ounce per Cubic inch (oz/in3) is a unit of density.
What is a carat per milliliter?
Carat per Milliliter (ct/mL) is a unit of density.
Is the ounce per cubic inch to carat per milliliter conversion exact?
Yes. Both ounce per cubic inch and carat per milliliter are defined by fixed standards rather than physical artifacts, so the factor of 8.649970222 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.