Mass per volume density.
Pounds per Cubic Meter to Slug per Cubic inches Converter — lb/m3 to slug/in3
Convert Pound per Cubic Meter (lb/m3) to Slug per Cubic inch (slug/in3) using the exact conversion factor (1 pound per cubic meter = 5.093255e-7 slug per cubic inch). See the formula, worked examples, and conversion table.
Pounds per Cubic Meter to Slug 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 0.45359237 / 890574.5982.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Pounds per Cubic Meter to Slug per Cubic inches
Pound per Cubic Meter and Slug 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
slug per cubic inches = pounds per cubic meter × 5.093255e-7
This factor comes from each unit's defined relationship to the category's base unit: 1 pound per cubic meter equals 0.45359237 base units, and 1 slug per cubic inch equals 890574.598183 base units, so dividing one by the other gives the direct pound per cubic meter-to-slug per cubic inch factor of 5.093255e-7.
Simple example
1 lb/m3 × 5.093255e-7 = 5.093255e-7 slug/in3
1 pound per cubic meter = 5.093255e-7 slug per cubic inches.
Real-world example
1,000 lb/m3 × 5.093255e-7 = 0.0005093255 slug/in3
1,000 pounds per cubic meter = 0.0005093255 slug per cubic inches.
Conversion table
| Pound per Cubic Meter (lb/m3) | Slug per Cubic inch (slug/in3) |
|---|---|
| 0.1 lb/m3 | 5.093255e-8 slug/in3 |
| 1 lb/m3 | 5.093255e-7 slug/in3 |
| 10 lb/m3 | 0.0000050933 slug/in3 |
| 100 lb/m3 | 0.0000509326 slug/in3 |
| 1,000 lb/m3 | 0.0005093255 slug/in3 |
| 10,000 lb/m3 | 0.0050932552 slug/in3 |
Reverse conversion: Slug per Cubic inch to Pound per Cubic Meter
5.093255e-7 slug/in3 × 1963380.906 = 0.9999999614 lb/m3
5.093255e-7 slug per cubic inches = 0.9999999614 pounds per cubic meter.
pounds per cubic meter = slug per cubic inches × 1963380.9056
For a page dedicated to this direction, see Slug per Cubic inch to Pound per Cubic Meter.
Understanding the Pound per Cubic Meter (lb/m3)
Mass per volume density.
Understanding the Slug per Cubic inch (slug/in3)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many slug per cubic inches are in 1 pound per cubic meter?
1 pound per cubic meter equals 5.093255e-7 slug per cubic inches, using the exact defined conversion factor rather than an estimate.
How do I convert pound per cubic meter to slug per cubic inch?
Multiply the pound per cubic meter value by 5.093255e-7. The converter above does this instantly to whatever precision you set.
How do I convert slug per cubic inch back to pound per cubic meter?
Use the reverse factor: 1 slug per cubic inch equals 1,963,380.906 pounds per cubic meter. You can also use the swap control in the converter above to flip the direction instantly.
What is a pound per cubic meter?
Pound per Cubic Meter (lb/m3) is a unit of density.
What is a slug per cubic inch?
Slug per Cubic inch (slug/in3) is a unit of density.
Is the pound per cubic meter to slug per cubic inch conversion exact?
Yes. Both pound per cubic meter and slug per cubic inch are defined by fixed standards rather than physical artifacts, so the factor of 5.093255e-7 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.