Mass per volume density.
Ounces per Milliliter to Dram per Cubic inches Converter — oz/mL to dr/in3
Convert Ounce per Milliliter (oz/mL) to Dram per Cubic inch (dr/in3) using the exact conversion factor (1 ounce per milliliter = 262.193024 dram per cubic inch). See the formula, worked examples, and conversion table.
Ounces per Milliliter to Dram per Cubic inches 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 28349.52313 / 108.1246278.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Ounces per Milliliter to Dram per Cubic inches
Ounce per Milliliter and Dram per Cubic inch 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
dram per cubic inches = ounces per milliliter × 262.193024
This factor comes from each unit's defined relationship to the category's base unit: 1 ounce per milliliter equals 28349.523125 base units, and 1 dram per cubic inch equals 108.124627774 base units, so dividing one by the other gives the direct ounce per milliliter-to-dram per cubic inch factor of 262.193024.
Simple example
1 oz/mL × 262.193024 = 262.193024 dr/in3
1 ounce per milliliter = 262.193024 dram per cubic inches.
Real-world example
1,000 oz/mL × 262.193024 = 262,193.024 dr/in3
1,000 ounces per milliliter = 262,193.024 dram per cubic inches.
Conversion table
| Ounce per Milliliter (oz/mL) | Dram per Cubic inch (dr/in3) |
|---|---|
| 0.1 oz/mL | 26.2193024 dr/in3 |
| 1 oz/mL | 262.193024 dr/in3 |
| 10 oz/mL | 2,621.93024 dr/in3 |
| 100 oz/mL | 26,219.3024 dr/in3 |
| 1,000 oz/mL | 262,193.024 dr/in3 |
| 10,000 oz/mL | 2,621,930.24 dr/in3 |
Reverse conversion: Dram per Cubic inch to Ounce per Milliliter
262.193024 dr/in3 × 0.003813984006 = 1 oz/mL
262.193024 dram per cubic inches = 1 ounce per milliliter.
ounces per milliliter = dram per cubic inches × 0.00381398400592
For a page dedicated to this direction, see Dram per Cubic inch to Ounce per Milliliter.
Understanding the Ounce per Milliliter (oz/mL)
Mass per volume density.
Understanding the Dram per Cubic inch (dr/in3)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many dram per cubic inches are in 1 ounce per milliliter?
1 ounce per milliliter equals 262.193024 dram per cubic inches, using the exact defined conversion factor rather than an estimate.
How do I convert ounce per milliliter to dram per cubic inch?
Multiply the ounce per milliliter value by 262.193024. The converter above does this instantly to whatever precision you set.
How do I convert dram per cubic inch back to ounce per milliliter?
Use the reverse factor: 1 dram per cubic inch equals 0.003813984 ounces per milliliter. You can also use the swap control in the converter above to flip the direction instantly.
What is a ounce per milliliter?
Ounce per Milliliter (oz/mL) is a unit of density.
What is a dram per cubic inch?
Dram per Cubic inch (dr/in3) is a unit of density.
Is the ounce per milliliter to dram per cubic inch conversion exact?
Yes. Both ounce per milliliter and dram per cubic inch are defined by fixed standards rather than physical artifacts, so the factor of 262.193024 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.