Mass per volume density.
Troy ounces per Cubic Millimeter to Dram per Cubic inches Converter — oz t/mm3 to dr/in3
Convert Troy ounce per Cubic Millimeter (oz t/mm3) to Dram per Cubic inch (dr/in3) using the exact conversion factor (1 troy ounce per cubic millimeter = 287,663.2035 dram per cubic inch). See the formula, worked examples, and conversion table.
Troy ounces per Cubic Millimeter 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 3.11034768e+7 / 108.1246278.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Troy ounces per Cubic Millimeter to Dram per Cubic inches
Troy ounce per Cubic Millimeter 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 = troy ounces per cubic millimeter × 287663.203474
This factor comes from each unit's defined relationship to the category's base unit: 1 troy ounce per cubic millimeter equals 31103476.8 base units, and 1 dram per cubic inch equals 108.124627774 base units, so dividing one by the other gives the direct troy ounce per cubic millimeter-to-dram per cubic inch factor of 287663.203474.
Simple example
1 oz t/mm3 × 287663.2035 = 287,663.2035 dr/in3
1 troy ounce per cubic millimeter = 287,663.2035 dram per cubic inches.
Real-world example
1,000 oz t/mm3 × 287663.2035 = 287,663,203.5 dr/in3
1,000 troy ounces per cubic millimeter = 287,663,203.5 dram per cubic inches.
Conversion table
| Troy ounce per Cubic Millimeter (oz t/mm3) | Dram per Cubic inch (dr/in3) |
|---|---|
| 0.1 oz t/mm3 | 28,766.32035 dr/in3 |
| 1 oz t/mm3 | 287,663.2035 dr/in3 |
| 10 oz t/mm3 | 2,876,632.035 dr/in3 |
| 100 oz t/mm3 | 28,766,320.35 dr/in3 |
| 1,000 oz t/mm3 | 287,663,203.5 dr/in3 |
| 10,000 oz t/mm3 | 2,876,632,035 dr/in3 |
Reverse conversion: Dram per Cubic inch to Troy ounce per Cubic Millimeter
1 dr/in3 × 0.000003476287505 = 0.0000034763 oz t/mm3
1 dram per cubic inch = 0.0000034763 troy ounces per cubic millimeter.
troy ounces per cubic millimeter = dram per cubic inches × 0.0000034762875054
For a page dedicated to this direction, see Dram per Cubic inch to Troy ounce per Cubic Millimeter.
Understanding the Troy ounce per Cubic Millimeter (oz t/mm3)
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 troy ounce per cubic millimeter?
1 troy ounce per cubic millimeter equals 287,663.2035 dram per cubic inches, using the exact defined conversion factor rather than an estimate.
How do I convert troy ounce per cubic millimeter to dram per cubic inch?
Multiply the troy ounce per cubic millimeter value by 287663.2035. The converter above does this instantly to whatever precision you set.
How do I convert dram per cubic inch back to troy ounce per cubic millimeter?
Use the reverse factor: 1 dram per cubic inch equals 0.0000034763 troy ounces per cubic millimeter. You can also use the swap control in the converter above to flip the direction instantly.
What is a troy ounce per cubic millimeter?
Troy ounce per Cubic Millimeter (oz t/mm3) 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 troy ounce per cubic millimeter to dram per cubic inch conversion exact?
Yes. Both troy ounce per cubic millimeter and dram per cubic inch are defined by fixed standards rather than physical artifacts, so the factor of 287663.2035 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.