Mass per volume density.
Pounds per Fluid ounce to Dram per Cubic inches Converter — lb/fl oz to dr/in3
Convert Pound per Fluid ounce (lb/fl oz) to Dram per Cubic inch (dr/in3) using the exact conversion factor (1 pound per fluid ounce = 141.8528139 dram per cubic inch). See the formula, worked examples, and conversion table.
Pounds per Fluid ounce 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 15337.7827 / 108.1246278.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Pounds per Fluid ounce to Dram per Cubic inches
Pound per Fluid ounce 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 = pounds per fluid ounce × 141.852813853
This factor comes from each unit's defined relationship to the category's base unit: 1 pound per fluid ounce equals 15337.7826966 base units, and 1 dram per cubic inch equals 108.124627774 base units, so dividing one by the other gives the direct pound per fluid ounce-to-dram per cubic inch factor of 141.852813853.
Simple example
1 lb/fl oz × 141.8528139 = 141.8528139 dr/in3
1 pound per fluid ounce = 141.8528139 dram per cubic inches.
Real-world example
1,000 lb/fl oz × 141.8528139 = 141,852.8139 dr/in3
1,000 pounds per fluid ounce = 141,852.8139 dram per cubic inches.
Conversion table
| Pound per Fluid ounce (lb/fl oz) | Dram per Cubic inch (dr/in3) |
|---|---|
| 0.1 lb/fl oz | 14.18528139 dr/in3 |
| 1 lb/fl oz | 141.8528139 dr/in3 |
| 10 lb/fl oz | 1,418.528139 dr/in3 |
| 100 lb/fl oz | 14,185.28139 dr/in3 |
| 1,000 lb/fl oz | 141,852.8139 dr/in3 |
| 10,000 lb/fl oz | 1,418,528.139 dr/in3 |
Reverse conversion: Dram per Cubic inch to Pound per Fluid ounce
141.8528139 dr/in3 × 0.007049560547 = 1 lb/fl oz
141.8528139 dram per cubic inches = 1 pounds per fluid ounce.
pounds per fluid ounce = dram per cubic inches × 0.00704956054688
For a page dedicated to this direction, see Dram per Cubic inch to Pound per Fluid ounce.
Understanding the Pound per Fluid ounce (lb/fl oz)
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 pound per fluid ounce?
1 pound per fluid ounce equals 141.8528139 dram per cubic inches, using the exact defined conversion factor rather than an estimate.
How do I convert pound per fluid ounce to dram per cubic inch?
Multiply the pound per fluid ounce value by 141.8528139. The converter above does this instantly to whatever precision you set.
How do I convert dram per cubic inch back to pound per fluid ounce?
Use the reverse factor: 1 dram per cubic inch equals 0.0070495605 pounds per fluid ounce. You can also use the swap control in the converter above to flip the direction instantly.
What is a pound per fluid ounce?
Pound per Fluid ounce (lb/fl oz) 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 pound per fluid ounce to dram per cubic inch conversion exact?
Yes. Both pound per fluid ounce and dram per cubic inch are defined by fixed standards rather than physical artifacts, so the factor of 141.8528139 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.