Mass per volume density.
Dram per Cubic inches to Pounds per Cubic Meter Converter — dr/in3 to lb/m3
Convert Dram per Cubic inch (dr/in3) to Pound per Cubic Meter (lb/m3) using the exact conversion factor (1 dram per cubic inch = 238.3740004 pound per cubic meter). See the formula, worked examples, and conversion table.
Dram per Cubic inches to Pounds per Cubic Meter 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 108.1246278 / 0.45359237.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Dram per Cubic inches to Pounds per Cubic Meter
Dram per Cubic inch and Pound per Cubic Meter 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
pounds per cubic meter = dram per cubic inches × 238.37400037
This factor comes from each unit's defined relationship to the category's base unit: 1 dram per cubic inch equals 108.124627774 base units, and 1 pound per cubic meter equals 0.45359237 base units, so dividing one by the other gives the direct dram per cubic inch-to-pound per cubic meter factor of 238.37400037.
Simple example
1 dr/in3 × 238.3740004 = 238.3740004 lb/m3
1 dram per cubic inch = 238.3740004 pounds per cubic meter.
Real-world example
1,000 dr/in3 × 238.3740004 = 238,374.0004 lb/m3
1,000 dram per cubic inches = 238,374.0004 pounds per cubic meter.
Conversion table
| Dram per Cubic inch (dr/in3) | Pound per Cubic Meter (lb/m3) |
|---|---|
| 0.1 dr/in3 | 23.83740004 lb/m3 |
| 1 dr/in3 | 238.3740004 lb/m3 |
| 10 dr/in3 | 2,383.740004 lb/m3 |
| 100 dr/in3 | 23,837.40004 lb/m3 |
| 1,000 dr/in3 | 238,374.0004 lb/m3 |
| 10,000 dr/in3 | 2,383,740.004 lb/m3 |
Reverse conversion: Pound per Cubic Meter to Dram per Cubic inch
238.3740004 lb/m3 × 0.004195088384 = 1 dr/in3
238.3740004 pounds per cubic meter = 1 dram per cubic inches.
dram per cubic inches = pounds per cubic meter × 0.004195088384
For a page dedicated to this direction, see Pound per Cubic Meter to Dram per Cubic inch.
Understanding the Dram per Cubic inch (dr/in3)
Mass per volume density.
Understanding the Pound per Cubic Meter (lb/m3)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many pounds per cubic meter are in 1 dram per cubic inch?
1 dram per cubic inch equals 238.3740004 pounds per cubic meter, using the exact defined conversion factor rather than an estimate.
How do I convert dram per cubic inch to pound per cubic meter?
Multiply the dram per cubic inch value by 238.3740004. The converter above does this instantly to whatever precision you set.
How do I convert pound per cubic meter back to dram per cubic inch?
Use the reverse factor: 1 pound per cubic meter equals 0.0041950884 dram per cubic inches. You can also use the swap control in the converter above to flip the direction instantly.
What is a dram per cubic inch?
Dram per Cubic inch (dr/in3) is a unit of density.
What is a pound per cubic meter?
Pound per Cubic Meter (lb/m3) is a unit of density.
Is the dram per cubic inch to pound per cubic meter conversion exact?
Yes. Both dram per cubic inch and pound per cubic meter are defined by fixed standards rather than physical artifacts, so the factor of 238.3740004 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.