Mass per volume density.
Troy ounces per Milliliter to Drams per Cup Converter — oz t/mL to dr/cup
Convert Troy ounce per Milliliter (oz t/mL) to Dram per Cup (dr/cup) using the exact conversion factor (1 troy ounce per milliliter = 4,153.1375 dram per cup). See the formula, worked examples, and conversion table.
Troy ounces per Milliliter to Drams per Cup 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 31103.4768 / 7.489151707.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Troy ounces per Milliliter to Drams per Cup
Troy ounce per Milliliter and Dram per Cup 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 cup = troy ounces per milliliter × 4153.13750016
This factor comes from each unit's defined relationship to the category's base unit: 1 troy ounce per milliliter equals 31103.4768 base units, and 1 dram per cup equals 7.48915170731 base units, so dividing one by the other gives the direct troy ounce per milliliter-to-dram per cup factor of 4153.13750016.
Simple example
1 oz t/mL × 4153.1375 = 4,153.1375 dr/cup
1 troy ounce per milliliter = 4,153.1375 drams per cup.
Real-world example
1,000 oz t/mL × 4153.1375 = 4,153,137.5 dr/cup
1,000 troy ounces per milliliter = 4,153,137.5 drams per cup.
Conversion table
| Troy ounce per Milliliter (oz t/mL) | Dram per Cup (dr/cup) |
|---|---|
| 0.1 oz t/mL | 415.31375 dr/cup |
| 1 oz t/mL | 4,153.1375 dr/cup |
| 10 oz t/mL | 41,531.375 dr/cup |
| 100 oz t/mL | 415,313.75 dr/cup |
| 1,000 oz t/mL | 4,153,137.5 dr/cup |
| 10,000 oz t/mL | 41,531,375 dr/cup |
Reverse conversion: Dram per Cup to Troy ounce per Milliliter
1 dr/cup × 0.0002407818186 = 0.0002407818 oz t/mL
1 dram per cup = 0.0002407818 troy ounces per milliliter.
troy ounces per milliliter = drams per cup × 0.000240781818556
For a page dedicated to this direction, see Dram per Cup to Troy ounce per Milliliter.
Understanding the Troy ounce per Milliliter (oz t/mL)
Mass per volume density.
Understanding the Dram per Cup (dr/cup)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many drams per cup are in 1 troy ounce per milliliter?
1 troy ounce per milliliter equals 4,153.1375 drams per cup, using the exact defined conversion factor rather than an estimate.
How do I convert troy ounce per milliliter to dram per cup?
Multiply the troy ounce per milliliter value by 4153.1375. The converter above does this instantly to whatever precision you set.
How do I convert dram per cup back to troy ounce per milliliter?
Use the reverse factor: 1 dram per cup equals 0.0002407818 troy ounces per milliliter. You can also use the swap control in the converter above to flip the direction instantly.
What is a troy ounce per milliliter?
Troy ounce per Milliliter (oz t/mL) is a unit of density.
What is a dram per cup?
Dram per Cup (dr/cup) is a unit of density.
Is the troy ounce per milliliter to dram per cup conversion exact?
Yes. Both troy ounce per milliliter and dram per cup are defined by fixed standards rather than physical artifacts, so the factor of 4153.1375 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.