Mass per volume density.
Drams per Fluid ounce to Pound per Cubic inches Converter — dr/fl oz to lb/in3
Convert Dram per Fluid ounce (dr/fl oz) to Pound per Cubic inch (lb/in3) using the exact conversion factor (1 dram per fluid ounce = 0.0021645022 pound per cubic inch). See the formula, worked examples, conversion table, and common uses.
Drams per Fluid ounce to Pound 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 59.91321366 / 27679.90471.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Drams per Fluid ounce to Pound per Cubic inches
Dram per Fluid ounce and Pound 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
pound per cubic inches = drams per fluid ounce × 0.0021645021645
This factor comes from each unit's defined relationship to the category's base unit: 1 dram per fluid ounce equals 59.9132136584 base units, and 1 pound per cubic inch equals 27679.9047102 base units, so dividing one by the other gives the direct dram per fluid ounce-to-pound per cubic inch factor of 0.0021645021645.
Simple example
1 dr/fl oz × 0.002164502165 = 0.0021645022 lb/in3
1 dram per fluid ounce = 0.0021645022 pound per cubic inches.
Real-world example
1,000 dr/fl oz × 0.002164502165 = 2.164502165 lb/in3
1,000 drams per fluid ounce = 2.164502165 pound per cubic inches.
Conversion table
| Dram per Fluid ounce (dr/fl oz) | Pound per Cubic inch (lb/in3) |
|---|---|
| 0.1 dr/fl oz | 0.0002164502 lb/in3 |
| 1 dr/fl oz | 0.0021645022 lb/in3 |
| 10 dr/fl oz | 0.0216450217 lb/in3 |
| 100 dr/fl oz | 0.2164502165 lb/in3 |
| 1,000 dr/fl oz | 2.164502165 lb/in3 |
| 10,000 dr/fl oz | 21.64502165 lb/in3 |
Reverse conversion: Pound per Cubic inch to Dram per Fluid ounce
0.0021645022 lb/in3 × 462 = 1.000000016 dr/fl oz
0.0021645022 pound per cubic inches = 1.000000016 drams per fluid ounce.
drams per fluid ounce = pound per cubic inches × 462
For a page dedicated to this direction, see Pound per Cubic inch to Dram per Fluid ounce.
Understanding the Dram per Fluid ounce (dr/fl oz)
Mass per volume density.
Understanding the Pound per Cubic inch
Pound per Cubic inch (lb/in3) measures density. A US customary density unit suited to describing dense materials in a small volume. It is classified as a US customary density unit.
Where it's used: United States
Uses of the Pound per Cubic inch today
- Used in machining and materials engineering, particularly for describing the density of metals, where a smaller volume unit than the cubic foot gives a more convenient figure
Pound per Cubic inch — sources
- US materials-engineering reference tables — Pounds per cubic inch is a commonly tabulated density unit for metals in US machining and materials references.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many pound per cubic inches are in 1 dram per fluid ounce?
1 dram per fluid ounce equals 0.0021645022 pound per cubic inches, using the exact defined conversion factor rather than an estimate.
How do I convert dram per fluid ounce to pound per cubic inch?
Multiply the dram per fluid ounce value by 0.002164502165. The converter above does this instantly to whatever precision you set.
How do I convert pound per cubic inch back to dram per fluid ounce?
Use the reverse factor: 1 pound per cubic inch equals 462 drams per fluid ounce. You can also use the swap control in the converter above to flip the direction instantly.
What is a dram per fluid ounce?
Dram per Fluid ounce (dr/fl oz) is a unit of density.
What is a pound per cubic inch?
Pound per Cubic inch (lb/in3) measures density. A US customary density unit suited to describing dense materials in a small volume. It is classified as a US customary density unit.
Is the dram per fluid ounce to pound per cubic inch conversion exact?
Yes. Both dram per fluid ounce and pound per cubic inch are defined by fixed standards rather than physical artifacts, so the factor of 0.002164502165 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.