Mass per volume density.
Ounces per Cup to Dram per Cubic inches Converter — oz/cup to dr/in3
Convert Ounce per Cup (oz/cup) to Dram per Cubic inch (dr/in3) using the exact conversion factor (1 ounce per cup = 1.108225108 dram per cubic inch). See the formula, worked examples, and conversion table.
Ounces per Cup 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 119.8264273 / 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 Cup to Dram per Cubic inches
Ounce per Cup 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 cup × 1.10822510823
This factor comes from each unit's defined relationship to the category's base unit: 1 ounce per cup equals 119.826427317 base units, and 1 dram per cubic inch equals 108.124627774 base units, so dividing one by the other gives the direct ounce per cup-to-dram per cubic inch factor of 1.10822510823.
Simple example
1 oz/cup × 1.108225108 = 1.108225108 dr/in3
1 ounce per cup = 1.108225108 dram per cubic inches.
Real-world example
1,000 oz/cup × 1.108225108 = 1,108.225108 dr/in3
1,000 ounces per cup = 1,108.225108 dram per cubic inches.
Conversion table
| Ounce per Cup (oz/cup) | Dram per Cubic inch (dr/in3) |
|---|---|
| 0.1 oz/cup | 0.1108225108 dr/in3 |
| 1 oz/cup | 1.108225108 dr/in3 |
| 10 oz/cup | 11.08225108 dr/in3 |
| 100 oz/cup | 110.8225108 dr/in3 |
| 1,000 oz/cup | 1,108.225108 dr/in3 |
| 10,000 oz/cup | 11,082.25108 dr/in3 |
Reverse conversion: Dram per Cubic inch to Ounce per Cup
1.108225108 dr/in3 × 0.90234375 = 0.9999999998 oz/cup
1.108225108 dram per cubic inches = 0.9999999998 ounces per cup.
ounces per cup = dram per cubic inches × 0.90234375
For a page dedicated to this direction, see Dram per Cubic inch to Ounce per Cup.
Understanding the Ounce per Cup (oz/cup)
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 cup?
1 ounce per cup equals 1.108225108 dram per cubic inches, using the exact defined conversion factor rather than an estimate.
How do I convert ounce per cup to dram per cubic inch?
Multiply the ounce per cup value by 1.108225108. The converter above does this instantly to whatever precision you set.
How do I convert dram per cubic inch back to ounce per cup?
Use the reverse factor: 1 dram per cubic inch equals 0.90234375 ounces per cup. You can also use the swap control in the converter above to flip the direction instantly.
What is a ounce per cup?
Ounce per Cup (oz/cup) 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 cup to dram per cubic inch conversion exact?
Yes. Both ounce per cup and dram per cubic inch are defined by fixed standards rather than physical artifacts, so the factor of 1.108225108 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.