Mass per volume density.
Ounce per Cubic inches to Kilograms per Milliliter Converter — oz/in3 to kg/mL
Convert Ounce per Cubic inch (oz/in3) to Kilogram per Milliliter (kg/mL) using the exact conversion factor (1 ounce per cubic inch = 0.001729994 kilogram per milliliter). See the formula, worked examples, and conversion table.
Ounce per Cubic inches to Kilograms 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 / 1e+6.
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 Kilograms per Milliliter
Ounce per Cubic inch and Kilogram 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
kilograms per milliliter = ounce per cubic inches × 0.00172999404439
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 kilogram per milliliter equals 1000000 base units, so dividing one by the other gives the direct ounce per cubic inch-to-kilogram per milliliter factor of 0.00172999404439.
Simple example
1 oz/in3 × 0.001729994044 = 0.001729994 kg/mL
1 ounce per cubic inch = 0.001729994 kilograms per milliliter.
Real-world example
1,000 oz/in3 × 0.001729994044 = 1.729994044 kg/mL
1,000 ounce per cubic inches = 1.729994044 kilograms per milliliter.
Conversion table
| Ounce per Cubic inch (oz/in3) | Kilogram per Milliliter (kg/mL) |
|---|---|
| 0.1 oz/in3 | 0.0001729994 kg/mL |
| 1 oz/in3 | 0.001729994 kg/mL |
| 10 oz/in3 | 0.0172999404 kg/mL |
| 100 oz/in3 | 0.1729994044 kg/mL |
| 1,000 oz/in3 | 1.729994044 kg/mL |
| 10,000 oz/in3 | 17.29994044 kg/mL |
Reverse conversion: Kilogram per Milliliter to Ounce per Cubic inch
0.001729994 kg/mL × 578.036672 = 0.9999999743 oz/in3
0.001729994 kilograms per milliliter = 0.9999999743 ounce per cubic inches.
ounce per cubic inches = kilograms per milliliter × 578.036672001
For a page dedicated to this direction, see Kilogram per Milliliter to Ounce per Cubic inch.
Understanding the Ounce per Cubic inch (oz/in3)
Mass per volume density.
Understanding the Kilogram per Milliliter (kg/mL)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many kilograms per milliliter are in 1 ounce per cubic inch?
1 ounce per cubic inch equals 0.001729994 kilograms per milliliter, using the exact defined conversion factor rather than an estimate.
How do I convert ounce per cubic inch to kilogram per milliliter?
Multiply the ounce per cubic inch value by 0.001729994044. The converter above does this instantly to whatever precision you set.
How do I convert kilogram per milliliter back to ounce per cubic inch?
Use the reverse factor: 1 kilogram per milliliter equals 578.036672 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 kilogram per milliliter?
Kilogram per Milliliter (kg/mL) is a unit of density.
Is the ounce per cubic inch to kilogram per milliliter conversion exact?
Yes. Both ounce per cubic inch and kilogram per milliliter are defined by fixed standards rather than physical artifacts, so the factor of 0.001729994044 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.