Mass per volume density.
Troy ounces per Gallon to Drams per Milliliter Converter — oz t/gal to dr/mL
Convert Troy ounce per Gallon (oz t/gal) to Dram per Milliliter (dr/mL) using the exact conversion factor (1 troy ounce per gallon = 0.0046373517 dram per milliliter). See the formula, worked examples, and conversion table.
Troy ounces per Gallon to Drams 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 8.216669302 / 1771.845195.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Troy ounces per Gallon to Drams per Milliliter
Troy ounce per Gallon and Dram 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
drams per milliliter = troy ounces per gallon × 0.00463735168482
This factor comes from each unit's defined relationship to the category's base unit: 1 troy ounce per gallon equals 8.21666930173 base units, and 1 dram per milliliter equals 1771.84519531 base units, so dividing one by the other gives the direct troy ounce per gallon-to-dram per milliliter factor of 0.00463735168482.
Simple example
1 oz t/gal × 0.004637351685 = 0.0046373517 dr/mL
1 troy ounce per gallon = 0.0046373517 drams per milliliter.
Real-world example
1,000 oz t/gal × 0.004637351685 = 4.637351685 dr/mL
1,000 troy ounces per gallon = 4.637351685 drams per milliliter.
Conversion table
| Troy ounce per Gallon (oz t/gal) | Dram per Milliliter (dr/mL) |
|---|---|
| 0.1 oz t/gal | 0.0004637352 dr/mL |
| 1 oz t/gal | 0.0046373517 dr/mL |
| 10 oz t/gal | 0.0463735169 dr/mL |
| 100 oz t/gal | 0.4637351685 dr/mL |
| 1,000 oz t/gal | 4.637351685 dr/mL |
| 10,000 oz t/gal | 46.37351685 dr/mL |
Reverse conversion: Dram per Milliliter to Troy ounce per Gallon
0.0046373517 dr/mL × 215.6403197 = 1.000000003 oz t/gal
0.0046373517 drams per milliliter = 1.000000003 troy ounces per gallon.
troy ounces per gallon = drams per milliliter × 215.640319727
For a page dedicated to this direction, see Dram per Milliliter to Troy ounce per Gallon.
Understanding the Troy ounce per Gallon (oz t/gal)
Mass per volume density.
Understanding the Dram per Milliliter (dr/mL)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many drams per milliliter are in 1 troy ounce per gallon?
1 troy ounce per gallon equals 0.0046373517 drams per milliliter, using the exact defined conversion factor rather than an estimate.
How do I convert troy ounce per gallon to dram per milliliter?
Multiply the troy ounce per gallon value by 0.004637351685. The converter above does this instantly to whatever precision you set.
How do I convert dram per milliliter back to troy ounce per gallon?
Use the reverse factor: 1 dram per milliliter equals 215.6403197 troy ounces per gallon. You can also use the swap control in the converter above to flip the direction instantly.
What is a troy ounce per gallon?
Troy ounce per Gallon (oz t/gal) is a unit of density.
What is a dram per milliliter?
Dram per Milliliter (dr/mL) is a unit of density.
Is the troy ounce per gallon to dram per milliliter conversion exact?
Yes. Both troy ounce per gallon and dram per milliliter are defined by fixed standards rather than physical artifacts, so the factor of 0.004637351685 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.