Convert kilogram per cubic meter to pound per cubic inch instantly. Type in either field — results update live.
Selected kg/m³ values converted to lb/in³ using the exact factor from this tool.
| kg/m³ | lb/in³ |
|---|---|
| 0.01 | 3.612729e-7 |
| 0.1 | 0.0000036127 |
| 1 | 0.0000361273 |
| 2 | 0.0000722546 |
| 3 | 0.0001083819 |
| 5 | 0.0001806365 |
| 10 | 0.0003612729 |
| 20 | 0.0007225458 |
| 50 | 0.0018063646 |
| 100 | 0.0036127292 |
| 1,000 | 0.036127292 |
Exact conversion factors in both directions, plus a worked example.
1 kg/m³ = 0.0000361273 lb/in³
1 lb/in³ = 27679.9047 kg/m³
To convert kilogram per cubic meter to pound per cubic inch, multiply by 0.0000361273.
To convert pound per cubic inch to kilogram per cubic meter, multiply by 27679.9047.
Example: convert 10 kg/m³ to lb/in³
10 × 0.0000361273 = 0.0003612729 lb/in³
Short background on the units used in this conversion.
The kilogram per cubic meter (kg/m³) is the SI unit of density — mass per unit volume in the metric system.
Kilograms per cubic meter describe air and material densities in science, engineering, and building insulation specs.
The pound per cubic inch (lb/in³) is a compact imperial density scale — about 27,680 kg/m³ per lb/in³.
Pounds per cubic inch describe metals and alloys in US machining, ballistics, and materials handbooks.
lb/in³ = kg/m³ × 0.0000361273kg/m³ = lb/in³ × 27,679.9047, using the same exact factors as this converter.Jump to any density conversion starting from kilogram per cubic meter — including the reverse direction and every other unit in our dataset.