Direct conversion
Convert pound per cubic inch [lb/in3] to kilogram per cubic meter [kg/m3] instantly with formula, examples, chart, and FAQs.
Quick answer
Use the calculator below for any custom value, then check the formula, examples, chart, and reverse conversion links.
1 pound per cubic inch [lb/in3] = 27679.90471 kilogram per cubic meter [kg/m3]
1 pound per cubic inch [lb/in3] = 27679.90471 kilogram per cubic meter [kg/m3]
Example: 1 pound per cubic inch [lb/in3] equals 27679.90471 kilogram per cubic meter [kg/m3].
Density conversions use kilogram per cubic meter as the reference unit and include metric, laboratory, and imperial material-density units.
Displayed results are rounded for readability. The calculator keeps enough precision for everyday use and switches to scientific notation for very large or very small values. Last reviewed: 2026-05-21.
The pound per cubic inch (lb/in3) is a density unit used to express measurements in this converter.
HistoryThis unit is included because it appears in practical measurement systems, technical references, product specifications, or everyday conversion needs.
Current useUse pound per cubic inch when comparing density values, checking specifications, converting between systems, or preparing quick estimates.
Kilograms per cubic meter is the SI derived unit of density.
HistoryThe unit follows directly from SI mass and volume measurement.
Current usekg/m3 is used for materials, liquids, gases, construction, engineering, and scientific data sheets.
| pound per cubic inch [lb/in3] | kilogram per cubic meter [kg/m3] |
|---|---|
| 1 | 27679.90471 |
| 2 | 55359.80942 |
| 5 | 138399.523551 |
| 10 | 276799.047102 |
| 20 | 553598.094204 |
| 25 | 691997.617755 |
| 50 | 1383995.23551 |
| 100 | 2767990.471019 |
| 1000 | 27679904.710191 |
Use this formula: 1 pound per cubic inch [lb/in3] = 27679.90471 kilogram per cubic meter [kg/m3] Enter your value in the calculator and the result updates instantly.
1 pound per cubic inch [lb/in3] equals 27679.90471 kilogram per cubic meter [kg/m3].
Yes. Use the swap button in the calculator or open the related reverse conversion link when it is listed on this page.